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+/** @file
+ * IPRT - Common C and C++ definitions.
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef IPRT_INCLUDED_cdefs_h
+#define IPRT_INCLUDED_cdefs_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+
+/** @defgroup grp_rt_cdefs IPRT Common Definitions and Macros
+ * @{
+ */
+
+/** @def RT_C_DECLS_BEGIN
+ * Used to start a block of function declarations which are shared
+ * between C and C++ program.
+ */
+
+/** @def RT_C_DECLS_END
+ * Used to end a block of function declarations which are shared
+ * between C and C++ program.
+ */
+
+#if defined(__cplusplus)
+# define RT_C_DECLS_BEGIN extern "C" {
+# define RT_C_DECLS_END }
+#else
+# define RT_C_DECLS_BEGIN
+# define RT_C_DECLS_END
+#endif
+
+
+/*
+ * Shut up DOXYGEN warnings and guide it properly thru the code.
+ */
+#ifdef DOXYGEN_RUNNING
+# define __AMD64__
+# define __X86__
+# define RT_ARCH_AMD64
+# define RT_ARCH_X86
+# define RT_ARCH_SPARC
+# define RT_ARCH_SPARC64
+# define RT_ARCH_ARM32
+# define RT_ARCH_ARM64
+# define IN_RING0
+# define IN_RING3
+# define IN_RC
+# define IN_RT_RC
+# define IN_RT_R0
+# define IN_RT_R3
+# define IN_RT_STATIC
+# define RT_STRICT
+# define RT_NO_STRICT
+# define RT_LOCK_STRICT
+# define RT_LOCK_NO_STRICT
+# define RT_LOCK_STRICT_ORDER
+# define RT_LOCK_NO_STRICT_ORDER
+# define RT_BREAKPOINT
+# define RT_NO_DEPRECATED_MACROS
+# define RT_EXCEPTIONS_ENABLED
+# define RT_BIG_ENDIAN
+# define RT_LITTLE_ENDIAN
+# define RT_COMPILER_GROKS_64BIT_BITFIELDS
+# define RT_COMPILER_WITH_80BIT_LONG_DOUBLE
+# define RT_COMPILER_WITH_128BIT_LONG_DOUBLE
+# define RT_COMPILER_WITH_128BIT_INT_TYPES
+# define RT_NO_VISIBILITY_HIDDEN
+# define RT_GCC_SUPPORTS_VISIBILITY_HIDDEN
+# define RT_COMPILER_SUPPORTS_VA_ARGS
+# define RT_COMPILER_SUPPORTS_LAMBDA
+#endif /* DOXYGEN_RUNNING */
+
+/** @def RT_ARCH_X86
+ * Indicates that we're compiling for the X86 architecture.
+ */
+
+/** @def RT_ARCH_AMD64
+ * Indicates that we're compiling for the AMD64 architecture.
+ */
+
+/** @def RT_ARCH_SPARC
+ * Indicates that we're compiling for the SPARC V8 architecture (32-bit).
+ */
+
+/** @def RT_ARCH_SPARC64
+ * Indicates that we're compiling for the SPARC V9 architecture (64-bit).
+ */
+
+/** @def RT_ARCH_ARM32
+ * Indicates that we're compiling for the 32-bit ARM architecture, the value
+ * is the version (i.e. 6 for ARMv6).
+ */
+
+/** @def RT_ARCH_ARM64
+ * Indicates that we're compiling for the 64-bit ARM architecture.
+ */
+
+#if !defined(RT_ARCH_X86) \
+ && !defined(RT_ARCH_AMD64) \
+ && !defined(RT_ARCH_SPARC) \
+ && !defined(RT_ARCH_SPARC64) \
+ && !defined(RT_ARCH_ARM32) \
+ && !defined(RT_ARCH_ARM64)
+# if defined(__amd64__) || defined(__x86_64__) || defined(_M_X64) || defined(__AMD64__)
+# define RT_ARCH_AMD64
+# elif defined(__i386__) || defined(_M_IX86) || defined(__X86__)
+# define RT_ARCH_X86
+# elif defined(__sparcv9)
+# define RT_ARCH_SPARC64
+# elif defined(__sparc__)
+# define RT_ARCH_SPARC
+# elif defined(__arm64__) || defined(__aarch64__)
+# define RT_ARCH_ARM64 __ARM_ARCH
+# elif defined(__arm__)
+# define RT_ARCH_ARM32 __ARM_ARCH
+# elif defined(__arm32__)
+# define RT_ARCH_ARM32 __ARM_ARCH
+# else /* PORTME: append test for new archs. */
+# error "Check what predefined macros your compiler uses to indicate architecture."
+# endif
+/* PORTME: append new archs checks. */
+#elif defined(RT_ARCH_X86) && defined(RT_ARCH_AMD64)
+# error "Both RT_ARCH_X86 and RT_ARCH_AMD64 cannot be defined at the same time!"
+#elif defined(RT_ARCH_X86) && defined(RT_ARCH_SPARC)
+# error "Both RT_ARCH_X86 and RT_ARCH_SPARC cannot be defined at the same time!"
+#elif defined(RT_ARCH_X86) && defined(RT_ARCH_SPARC64)
+# error "Both RT_ARCH_X86 and RT_ARCH_SPARC64 cannot be defined at the same time!"
+#elif defined(RT_ARCH_AMD64) && defined(RT_ARCH_SPARC)
+# error "Both RT_ARCH_AMD64 and RT_ARCH_SPARC cannot be defined at the same time!"
+#elif defined(RT_ARCH_AMD64) && defined(RT_ARCH_SPARC64)
+# error "Both RT_ARCH_AMD64 and RT_ARCH_SPARC64 cannot be defined at the same time!"
+#elif defined(RT_ARCH_SPARC) && defined(RT_ARCH_SPARC64)
+# error "Both RT_ARCH_SPARC and RT_ARCH_SPARC64 cannot be defined at the same time!"
+#elif defined(RT_ARCH_ARM32) && defined(RT_ARCH_AMD64)
+# error "Both RT_ARCH_ARM32 and RT_ARCH_AMD64 cannot be defined at the same time!"
+#elif defined(RT_ARCH_ARM32) && defined(RT_ARCH_X86)
+# error "Both RT_ARCH_ARM32 and RT_ARCH_X86 cannot be defined at the same time!"
+#elif defined(RT_ARCH_ARM32) && defined(RT_ARCH_SPARC64)
+# error "Both RT_ARCH_ARM32 and RT_ARCH_SPARC64 cannot be defined at the same time!"
+#elif defined(RT_ARCH_ARM32) && defined(RT_ARCH_SPARC)
+# error "Both RT_ARCH_ARM32 and RT_ARCH_SPARC cannot be defined at the same time!"
+#elif defined(RT_ARCH_ARM64) && defined(RT_ARCH_AMD64)
+# error "Both RT_ARCH_ARM64 and RT_ARCH_AMD64 cannot be defined at the same time!"
+#elif defined(RT_ARCH_ARM64) && defined(RT_ARCH_X86)
+# error "Both RT_ARCH_ARM64 and RT_ARCH_X86 cannot be defined at the same time!"
+#elif defined(RT_ARCH_ARM64) && defined(RT_ARCH_SPARC64)
+# error "Both RT_ARCH_ARM64 and RT_ARCH_SPARC64 cannot be defined at the same time!"
+#elif defined(RT_ARCH_ARM64) && defined(RT_ARCH_SPARC)
+# error "Both RT_ARCH_ARM64 and RT_ARCH_SPARC cannot be defined at the same time!"
+#elif defined(RT_ARCH_ARM64) && defined(RT_ARCH_ARM32)
+# error "Both RT_ARCH_ARM64 and RT_ARCH_ARM32 cannot be defined at the same time!"
+#endif
+#ifdef RT_ARCH_ARM
+# error "RT_ARCH_ARM is now RT_ARCH_ARM32!"
+#endif
+
+/* Final check (PORTME). */
+#if (defined(RT_ARCH_X86) != 0) \
+ + (defined(RT_ARCH_AMD64) != 0) \
+ + (defined(RT_ARCH_SPARC) != 0) \
+ + (defined(RT_ARCH_SPARC64) != 0) \
+ + (defined(RT_ARCH_ARM32) != 0) \
+ + (defined(RT_ARCH_ARM64) != 0) \
+ != 1
+# error "Exactly one RT_ARCH_XXX macro shall be defined"
+#endif
+
+/** @def RT_CPLUSPLUS_PREREQ
+ * Require a minimum __cplusplus value, simplifying dealing with non-C++ code.
+ *
+ * @param a_Min The minimum version, e.g. 201100.
+ */
+#ifdef __cplusplus
+# define RT_CPLUSPLUS_PREREQ(a_Min) (__cplusplus >= (a_Min))
+#else
+# define RT_CPLUSPLUS_PREREQ(a_Min) (0)
+#endif
+
+/** @def RT_GNUC_PREREQ
+ * Shorter than fiddling with __GNUC__ and __GNUC_MINOR__.
+ *
+ * @param a_MinMajor Minimum major version
+ * @param a_MinMinor The minor version number part.
+ */
+#define RT_GNUC_PREREQ(a_MinMajor, a_MinMinor) RT_GNUC_PREREQ_EX(a_MinMajor, a_MinMinor, 0)
+/** @def RT_GNUC_PREREQ_EX
+ * Simplified way of checking __GNUC__ and __GNUC_MINOR__ regardless of actual
+ * compiler used, returns @a a_OtherRet for other compilers.
+ *
+ * @param a_MinMajor Minimum major version
+ * @param a_MinMinor The minor version number part.
+ * @param a_OtherRet What to return for non-GCC compilers.
+ */
+#if defined(__GNUC__) && defined(__GNUC_MINOR__)
+# define RT_GNUC_PREREQ_EX(a_MinMajor, a_MinMinor, a_OtherRet) \
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((a_MinMajor) << 16) + (a_MinMinor))
+#else
+# define RT_GNUC_PREREQ_EX(a_MinMajor, a_MinMinor, a_OtherRet) (a_OtherRet)
+#endif
+
+/** @def RT_MSC_PREREQ
+ * Convenient way of checking _MSC_VER regardless of actual compiler used
+ * (returns false if not MSC).
+ *
+ * @param a_MinVer Preferably a RT_MSC_VER_XXX value.
+ */
+#define RT_MSC_PREREQ(a_MinVer) RT_MSC_PREREQ_EX(a_MinVer, 0)
+/** @def RT_MSC_PREREQ_EX
+ * Convenient way of checking _MSC_VER regardless of actual compiler used,
+ * returns @a a_OtherRet for other compilers.
+ *
+ * @param a_MinVer Preferably a RT_MSC_VER_XXX value.
+ * @param a_OtherRet What to return for non-MSC compilers.
+ */
+#if defined(_MSC_VER)
+# define RT_MSC_PREREQ_EX(a_MinVer, a_OtherRet) ( (_MSC_VER) >= (a_MinVer) )
+#else
+# define RT_MSC_PREREQ_EX(a_MinVer, a_OtherRet) (a_OtherRet)
+#endif
+/** @name RT_MSC_VER_XXX - _MSC_VER values to use with RT_MSC_PREREQ.
+ * @remarks The VCxxx values are derived from the CRT DLLs shipping with the
+ * compilers.
+ * @{ */
+#define RT_MSC_VER_VC50 (1100) /**< Visual C++ 5.0. */
+#define RT_MSC_VER_VC60 (1200) /**< Visual C++ 6.0. */
+#define RT_MSC_VER_VC70 (1300) /**< Visual C++ 7.0. */
+#define RT_MSC_VER_VC70 (1300) /**< Visual C++ 7.0. */
+#define RT_MSC_VER_VS2003 (1310) /**< Visual Studio 2003, aka Visual C++ 7.1. */
+#define RT_MSC_VER_VC71 RT_MSC_VER_VS2003 /**< Visual C++ 7.1, aka Visual Studio 2003. */
+#define RT_MSC_VER_VS2005 (1400) /**< Visual Studio 2005. */
+#define RT_MSC_VER_VC80 RT_MSC_VER_VS2005 /**< Visual C++ 8.0, aka Visual Studio 2008. */
+#define RT_MSC_VER_VS2008 (1500) /**< Visual Studio 2008. */
+#define RT_MSC_VER_VC90 RT_MSC_VER_VS2008 /**< Visual C++ 9.0, aka Visual Studio 2008. */
+#define RT_MSC_VER_VS2010 (1600) /**< Visual Studio 2010. */
+#define RT_MSC_VER_VC100 RT_MSC_VER_VS2010 /**< Visual C++ 10.0, aka Visual Studio 2010. */
+#define RT_MSC_VER_VS2012 (1700) /**< Visual Studio 2012. */
+#define RT_MSC_VER_VC110 RT_MSC_VER_VS2012 /**< Visual C++ 11.0, aka Visual Studio 2012. */
+#define RT_MSC_VER_VS2013 (1800) /**< Visual Studio 2013. */
+#define RT_MSC_VER_VC120 RT_MSC_VER_VS2013 /**< Visual C++ 12.0, aka Visual Studio 2013. */
+#define RT_MSC_VER_VS2015 (1900) /**< Visual Studio 2015. */
+#define RT_MSC_VER_VC140 RT_MSC_VER_VS2015 /**< Visual C++ 14.0, aka Visual Studio 2015. */
+#define RT_MSC_VER_VS2017 (1910) /**< Visual Studio 2017. */
+#define RT_MSC_VER_VC141 RT_MSC_VER_VS2017 /**< Visual C++ 14.1, aka Visual Studio 2017. */
+#define RT_MSC_VER_VS2019 (1920) /**< Visual Studio 2019. */
+#define RT_MSC_VER_VC142 RT_MSC_VER_VS2019 /**< Visual C++ 14.2, aka Visual Studio 2019. */
+#define RT_MSC_VER_VS2019_U6 (1926) /**< Visual Studio 2019, update 6. */
+#define RT_MSC_VER_VC142_U6 RT_MSC_VER_VS2019_U6 /**< Visual C++ 14.2 update 6. */
+#define RT_MSC_VER_VS2019_U8 (1928) /**< Visual Studio 2019, update 8. */
+#define RT_MSC_VER_VC142_U8 RT_MSC_VER_VS2019_U8 /**< Visual C++ 14.2 update 8. */
+#define RT_MSC_VER_VS2019_U11 (1929) /**< Visual Studio 2019, update 11. */
+#define RT_MSC_VER_VC142_U11 RT_MSC_VER_VS2019_U11 /**< Visual C++ 14.2 update 11. */
+/** @} */
+
+/** @def RT_CLANG_PREREQ
+ * Shorter than fiddling with __clang_major__ and __clang_minor__.
+ *
+ * @param a_MinMajor Minimum major version
+ * @param a_MinMinor The minor version number part.
+ */
+#define RT_CLANG_PREREQ(a_MinMajor, a_MinMinor) RT_CLANG_PREREQ_EX(a_MinMajor, a_MinMinor, 0)
+/** @def RT_CLANG_PREREQ_EX
+ * Simplified way of checking __clang_major__ and __clang_minor__ regardless of
+ * actual compiler used, returns @a a_OtherRet for other compilers.
+ *
+ * @param a_MinMajor Minimum major version
+ * @param a_MinMinor The minor version number part.
+ * @param a_OtherRet What to return for non-GCC compilers.
+ */
+#if defined(__clang_major__) && defined(__clang_minor__)
+# define RT_CLANG_PREREQ_EX(a_MinMajor, a_MinMinor, a_OtherRet) \
+ ((__clang_major__ << 16) + __clang_minor__ >= ((a_MinMajor) << 16) + (a_MinMinor))
+#else
+# define RT_CLANG_PREREQ_EX(a_MinMajor, a_MinMinor, a_OtherRet) (a_OtherRet)
+#endif
+/** @def RT_CLANG_HAS_FEATURE
+ * Wrapper around clang's __has_feature().
+ *
+ * @param a_Feature The feature to check for.
+ */
+#if defined(__clang_major__) && defined(__clang_minor__) && defined(__has_feature)
+# define RT_CLANG_HAS_FEATURE(a_Feature) (__has_feature(a_Feature))
+#else
+# define RT_CLANG_HAS_FEATURE(a_Feature) (0)
+#endif
+
+
+#if !defined(__X86__) && !defined(__AMD64__) && (defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86))
+# if defined(RT_ARCH_AMD64)
+/** Indicates that we're compiling for the AMD64 architecture.
+ * @deprecated
+ */
+# define __AMD64__
+# elif defined(RT_ARCH_X86)
+/** Indicates that we're compiling for the X86 architecture.
+ * @deprecated
+ */
+# define __X86__
+# else
+# error "Check what predefined macros your compiler uses to indicate architecture."
+# endif
+#elif defined(__X86__) && defined(__AMD64__)
+# error "Both __X86__ and __AMD64__ cannot be defined at the same time!"
+#elif defined(__X86__) && !defined(RT_ARCH_X86)
+# error "__X86__ without RT_ARCH_X86!"
+#elif defined(__AMD64__) && !defined(RT_ARCH_AMD64)
+# error "__AMD64__ without RT_ARCH_AMD64!"
+#endif
+
+/** @def RT_BIG_ENDIAN
+ * Defined if the architecture is big endian. */
+/** @def RT_LITTLE_ENDIAN
+ * Defined if the architecture is little endian. */
+#if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86) || defined(RT_ARCH_ARM32) || defined(RT_ARCH_ARM64)
+# define RT_LITTLE_ENDIAN
+#elif defined(RT_ARCH_SPARC) || defined(RT_ARCH_SPARC64)
+# define RT_BIG_ENDIAN
+#else
+# error "PORTME: architecture endianess"
+#endif
+#if defined(RT_BIG_ENDIAN) && defined(RT_LITTLE_ENDIAN)
+# error "Both RT_BIG_ENDIAN and RT_LITTLE_ENDIAN are defined"
+#endif
+
+
+/** @def IN_RING0
+ * Used to indicate that we're compiling code which is running
+ * in Ring-0 Host Context.
+ */
+
+/** @def IN_RING3
+ * Used to indicate that we're compiling code which is running
+ * in Ring-3 Host Context.
+ */
+
+/** @def IN_RC
+ * Used to indicate that we're compiling code which is running
+ * in the Raw-mode Context (implies R0).
+ */
+#if !defined(IN_RING3) && !defined(IN_RING0) && !defined(IN_RC)
+# error "You must define which context the compiled code should run in; IN_RING3, IN_RING0 or IN_RC"
+#endif
+#if (defined(IN_RING3) && (defined(IN_RING0) || defined(IN_RC)) ) \
+ || (defined(IN_RING0) && (defined(IN_RING3) || defined(IN_RC)) ) \
+ || (defined(IN_RC) && (defined(IN_RING3) || defined(IN_RING0)) )
+# error "Only one of the IN_RING3, IN_RING0, IN_RC defines should be defined."
+#endif
+
+
+/** @def ARCH_BITS
+ * Defines the bit count of the current context.
+ */
+#if !defined(ARCH_BITS) || defined(DOXYGEN_RUNNING)
+# if defined(RT_ARCH_AMD64) || defined(RT_ARCH_SPARC64) || defined(RT_ARCH_ARM64) || defined(DOXYGEN_RUNNING)
+# define ARCH_BITS 64
+# elif !defined(__I86__) || !defined(__WATCOMC__)
+# define ARCH_BITS 32
+# else
+# define ARCH_BITS 16
+# endif
+#endif
+
+/* ARCH_BITS validation (PORTME). */
+#if ARCH_BITS == 64
+ #if defined(RT_ARCH_X86) || defined(RT_ARCH_SPARC) || defined(RT_ARCH_ARM32)
+ # error "ARCH_BITS=64 but non-64-bit RT_ARCH_XXX defined."
+ #endif
+ #if !defined(RT_ARCH_AMD64) && !defined(RT_ARCH_SPARC64) && !defined(RT_ARCH_ARM64)
+ # error "ARCH_BITS=64 but no 64-bit RT_ARCH_XXX defined."
+ #endif
+
+#elif ARCH_BITS == 32
+ #if defined(RT_ARCH_AMD64) || defined(RT_ARCH_SPARC64) || defined(RT_ARCH_ARM64)
+ # error "ARCH_BITS=32 but non-32-bit RT_ARCH_XXX defined."
+ #endif
+ #if !defined(RT_ARCH_X86) && !defined(RT_ARCH_SPARC) && !defined(RT_ARCH_ARM32)
+ # error "ARCH_BITS=32 but no 32-bit RT_ARCH_XXX defined."
+ #endif
+
+#elif ARCH_BITS == 16
+ #if defined(RT_ARCH_AMD64) || defined(RT_ARCH_SPARC) || defined(RT_ARCH_SPARC64) || defined(RT_ARCH_ARM32) || defined(RT_ARCH_ARM64)
+ # error "ARCH_BITS=16 but non-16-bit RT_ARCH_XX defined."
+ #endif
+ #if !defined(RT_ARCH_X86)
+ # error "ARCH_BITS=16 but RT_ARCH_X86 isn't defined."
+ #endif
+
+#else
+# error "Unsupported ARCH_BITS value!"
+#endif
+
+/** @def HC_ARCH_BITS
+ * Defines the host architecture bit count.
+ */
+#if !defined(HC_ARCH_BITS) || defined(DOXYGEN_RUNNING)
+# if !defined(IN_RC) || defined(DOXYGEN_RUNNING)
+# define HC_ARCH_BITS ARCH_BITS
+# else
+# define HC_ARCH_BITS 32
+# endif
+#endif
+
+/** @def GC_ARCH_BITS
+ * Defines the guest architecture bit count.
+ */
+#if !defined(GC_ARCH_BITS) || defined(DOXYGEN_RUNNING)
+# if defined(VBOX_WITH_64_BITS_GUESTS) || defined(DOXYGEN_RUNNING)
+# define GC_ARCH_BITS 64
+# else
+# define GC_ARCH_BITS 32
+# endif
+#endif
+
+/** @def R3_ARCH_BITS
+ * Defines the host ring-3 architecture bit count.
+ */
+#if !defined(R3_ARCH_BITS) || defined(DOXYGEN_RUNNING)
+# ifdef IN_RING3
+# define R3_ARCH_BITS ARCH_BITS
+# else
+# define R3_ARCH_BITS HC_ARCH_BITS
+# endif
+#endif
+
+/** @def R0_ARCH_BITS
+ * Defines the host ring-0 architecture bit count.
+ */
+#if !defined(R0_ARCH_BITS) || defined(DOXYGEN_RUNNING)
+# ifdef IN_RING0
+# define R0_ARCH_BITS ARCH_BITS
+# else
+# define R0_ARCH_BITS HC_ARCH_BITS
+# endif
+#endif
+
+
+
+/** @name RT_OPSYS_XXX - Operative System Identifiers.
+ * These are the value that the RT_OPSYS \#define can take. @{
+ */
+/** Unknown OS. */
+#define RT_OPSYS_UNKNOWN 0
+/** OS Agnostic. */
+#define RT_OPSYS_AGNOSTIC 1
+/** Darwin - aka Mac OS X. */
+#define RT_OPSYS_DARWIN 2
+/** DragonFly BSD. */
+#define RT_OPSYS_DRAGONFLY 3
+/** DOS. */
+#define RT_OPSYS_DOS 4
+/** FreeBSD. */
+#define RT_OPSYS_FREEBSD 5
+/** Haiku. */
+#define RT_OPSYS_HAIKU 6
+/** Linux. */
+#define RT_OPSYS_LINUX 7
+/** L4. */
+#define RT_OPSYS_L4 8
+/** Minix. */
+#define RT_OPSYS_MINIX 9
+/** NetBSD. */
+#define RT_OPSYS_NETBSD 11
+/** Netware. */
+#define RT_OPSYS_NETWARE 12
+/** NT (native). */
+#define RT_OPSYS_NT 13
+/** OpenBSD. */
+#define RT_OPSYS_OPENBSD 14
+/** OS/2. */
+#define RT_OPSYS_OS2 15
+/** Plan 9. */
+#define RT_OPSYS_PLAN9 16
+/** QNX. */
+#define RT_OPSYS_QNX 17
+/** Solaris. */
+#define RT_OPSYS_SOLARIS 18
+/** UEFI. */
+#define RT_OPSYS_UEFI 19
+/** Windows. */
+#define RT_OPSYS_WINDOWS 20
+/** The max RT_OPSYS_XXX value (exclusive). */
+#define RT_OPSYS_MAX 21
+/** @} */
+
+/** @def RT_OPSYS
+ * Indicates which OS we're targeting. It's a \#define with is
+ * assigned one of the RT_OPSYS_XXX defines above.
+ *
+ * So to test if we're on FreeBSD do the following:
+ * @code
+ * #if RT_OPSYS == RT_OPSYS_FREEBSD
+ * some_funky_freebsd_specific_stuff();
+ * #endif
+ * @endcode
+ */
+
+/*
+ * Set RT_OPSYS_XXX according to RT_OS_XXX.
+ *
+ * Search: #define RT_OPSYS_([A-Z0-9]+) .*
+ * Replace: # elif defined(RT_OS_\1)\n# define RT_OPSYS RT_OPSYS_\1
+ */
+#ifndef RT_OPSYS
+# if defined(RT_OS_UNKNOWN) || defined(DOXYGEN_RUNNING)
+# define RT_OPSYS RT_OPSYS_UNKNOWN
+# elif defined(RT_OS_AGNOSTIC)
+# define RT_OPSYS RT_OPSYS_AGNOSTIC
+# elif defined(RT_OS_DARWIN)
+# define RT_OPSYS RT_OPSYS_DARWIN
+# elif defined(RT_OS_DRAGONFLY)
+# define RT_OPSYS RT_OPSYS_DRAGONFLY
+# elif defined(RT_OS_DOS)
+# define RT_OPSYS RT_OPSYS_DOS
+# elif defined(RT_OS_FREEBSD)
+# define RT_OPSYS RT_OPSYS_FREEBSD
+# elif defined(RT_OS_HAIKU)
+# define RT_OPSYS RT_OPSYS_HAIKU
+# elif defined(RT_OS_LINUX)
+# define RT_OPSYS RT_OPSYS_LINUX
+# elif defined(RT_OS_L4)
+# define RT_OPSYS RT_OPSYS_L4
+# elif defined(RT_OS_MINIX)
+# define RT_OPSYS RT_OPSYS_MINIX
+# elif defined(RT_OS_NETBSD)
+# define RT_OPSYS RT_OPSYS_NETBSD
+# elif defined(RT_OS_NETWARE)
+# define RT_OPSYS RT_OPSYS_NETWARE
+# elif defined(RT_OS_NT)
+# define RT_OPSYS RT_OPSYS_NT
+# elif defined(RT_OS_OPENBSD)
+# define RT_OPSYS RT_OPSYS_OPENBSD
+# elif defined(RT_OS_OS2)
+# define RT_OPSYS RT_OPSYS_OS2
+# elif defined(RT_OS_PLAN9)
+# define RT_OPSYS RT_OPSYS_PLAN9
+# elif defined(RT_OS_QNX)
+# define RT_OPSYS RT_OPSYS_QNX
+# elif defined(RT_OS_SOLARIS)
+# define RT_OPSYS RT_OPSYS_SOLARIS
+# elif defined(RT_OS_UEFI)
+# define RT_OPSYS RT_OPSYS_UEFI
+# elif defined(RT_OS_WINDOWS)
+# define RT_OPSYS RT_OPSYS_WINDOWS
+# endif
+#endif
+
+/*
+ * Guess RT_OPSYS based on compiler predefined macros.
+ */
+#ifndef RT_OPSYS
+# if defined(__APPLE__)
+# define RT_OPSYS RT_OPSYS_DARWIN
+# elif defined(__DragonFly__)
+# define RT_OPSYS RT_OPSYS_DRAGONFLY
+# elif defined(__FreeBSD__) /*??*/
+# define RT_OPSYS RT_OPSYS_FREEBSD
+# elif defined(__gnu_linux__)
+# define RT_OPSYS RT_OPSYS_LINUX
+# elif defined(__NetBSD__) /*??*/
+# define RT_OPSYS RT_OPSYS_NETBSD
+# elif defined(__OpenBSD__) /*??*/
+# define RT_OPSYS RT_OPSYS_OPENBSD
+# elif defined(__OS2__)
+# define RT_OPSYS RT_OPSYS_OS2
+# elif defined(__sun__) || defined(__SunOS__) || defined(__sun) || defined(__SunOS)
+# define RT_OPSYS RT_OPSYS_SOLARIS
+# elif defined(_WIN32) || defined(_WIN64)
+# define RT_OPSYS RT_OPSYS_WINDOWS
+# elif defined(MSDOS) || defined(_MSDOS) || defined(DOS16RM) /* OW+MSC || MSC || DMC */
+# define RT_OPSYS RT_OPSYS_DOS
+# else
+# error "Port Me"
+# endif
+#endif
+
+#if RT_OPSYS < RT_OPSYS_UNKNOWN || RT_OPSYS >= RT_OPSYS_MAX
+# error "Invalid RT_OPSYS value."
+#endif
+
+/*
+ * Do some consistency checks.
+ *
+ * Search: #define RT_OPSYS_([A-Z0-9]+) .*
+ * Replace: #if defined(RT_OS_\1) && RT_OPSYS != RT_OPSYS_\1\n# error RT_OPSYS vs RT_OS_\1\n#endif
+ */
+#if defined(RT_OS_UNKNOWN) && RT_OPSYS != RT_OPSYS_UNKNOWN
+# error RT_OPSYS vs RT_OS_UNKNOWN
+#endif
+#if defined(RT_OS_AGNOSTIC) && RT_OPSYS != RT_OPSYS_AGNOSTIC
+# error RT_OPSYS vs RT_OS_AGNOSTIC
+#endif
+#if defined(RT_OS_DARWIN) && RT_OPSYS != RT_OPSYS_DARWIN
+# error RT_OPSYS vs RT_OS_DARWIN
+#endif
+#if defined(RT_OS_DRAGONFLY) && RT_OPSYS != RT_OPSYS_DRAGONFLY
+# error RT_OPSYS vs RT_OS_DRAGONFLY
+#endif
+#if defined(RT_OS_DOS) && RT_OPSYS != RT_OPSYS_DOS
+# error RT_OPSYS vs RT_OS_DOS
+#endif
+#if defined(RT_OS_FREEBSD) && RT_OPSYS != RT_OPSYS_FREEBSD
+# error RT_OPSYS vs RT_OS_FREEBSD
+#endif
+#if defined(RT_OS_HAIKU) && RT_OPSYS != RT_OPSYS_HAIKU
+# error RT_OPSYS vs RT_OS_HAIKU
+#endif
+#if defined(RT_OS_LINUX) && RT_OPSYS != RT_OPSYS_LINUX
+# error RT_OPSYS vs RT_OS_LINUX
+#endif
+#if defined(RT_OS_L4) && RT_OPSYS != RT_OPSYS_L4
+# error RT_OPSYS vs RT_OS_L4
+#endif
+#if defined(RT_OS_MINIX) && RT_OPSYS != RT_OPSYS_MINIX
+# error RT_OPSYS vs RT_OS_MINIX
+#endif
+#if defined(RT_OS_NETBSD) && RT_OPSYS != RT_OPSYS_NETBSD
+# error RT_OPSYS vs RT_OS_NETBSD
+#endif
+#if defined(RT_OS_NETWARE) && RT_OPSYS != RT_OPSYS_NETWARE
+# error RT_OPSYS vs RT_OS_NETWARE
+#endif
+#if defined(RT_OS_NT) && RT_OPSYS != RT_OPSYS_NT
+# error RT_OPSYS vs RT_OS_NT
+#endif
+#if defined(RT_OS_OPENBSD) && RT_OPSYS != RT_OPSYS_OPENBSD
+# error RT_OPSYS vs RT_OS_OPENBSD
+#endif
+#if defined(RT_OS_OS2) && RT_OPSYS != RT_OPSYS_OS2
+# error RT_OPSYS vs RT_OS_OS2
+#endif
+#if defined(RT_OS_PLAN9) && RT_OPSYS != RT_OPSYS_PLAN9
+# error RT_OPSYS vs RT_OS_PLAN9
+#endif
+#if defined(RT_OS_QNX) && RT_OPSYS != RT_OPSYS_QNX
+# error RT_OPSYS vs RT_OS_QNX
+#endif
+#if defined(RT_OS_SOLARIS) && RT_OPSYS != RT_OPSYS_SOLARIS
+# error RT_OPSYS vs RT_OS_SOLARIS
+#endif
+#if defined(RT_OS_UEFI) && RT_OPSYS != RT_OPSYS_UEFI
+# error RT_OPSYS vs RT_OS_UEFI
+#endif
+#if defined(RT_OS_WINDOWS) && RT_OPSYS != RT_OPSYS_WINDOWS
+# error RT_OPSYS vs RT_OS_WINDOWS
+#endif
+
+/*
+ * Make sure the RT_OS_XXX macro is defined.
+ *
+ * Search: #define RT_OPSYS_([A-Z0-9]+) .*
+ * Replace: #elif RT_OPSYS == RT_OPSYS_\1\n# ifndef RT_OS_\1\n# define RT_OS_\1\n# endif
+ */
+#if RT_OPSYS == RT_OPSYS_UNKNOWN
+# ifndef RT_OS_UNKNOWN
+# define RT_OS_UNKNOWN
+# endif
+#elif RT_OPSYS == RT_OPSYS_AGNOSTIC
+# ifndef RT_OS_AGNOSTIC
+# define RT_OS_AGNOSTIC
+# endif
+#elif RT_OPSYS == RT_OPSYS_DARWIN
+# ifndef RT_OS_DARWIN
+# define RT_OS_DARWIN
+# endif
+#elif RT_OPSYS == RT_OPSYS_DRAGONFLY
+# ifndef RT_OS_DRAGONFLY
+# define RT_OS_DRAGONFLY
+# endif
+#elif RT_OPSYS == RT_OPSYS_DOS
+# ifndef RT_OS_DOS
+# define RT_OS_DOS
+# endif
+#elif RT_OPSYS == RT_OPSYS_FREEBSD
+# ifndef RT_OS_FREEBSD
+# define RT_OS_FREEBSD
+# endif
+#elif RT_OPSYS == RT_OPSYS_HAIKU
+# ifndef RT_OS_HAIKU
+# define RT_OS_HAIKU
+# endif
+#elif RT_OPSYS == RT_OPSYS_LINUX
+# ifndef RT_OS_LINUX
+# define RT_OS_LINUX
+# endif
+#elif RT_OPSYS == RT_OPSYS_L4
+# ifndef RT_OS_L4
+# define RT_OS_L4
+# endif
+#elif RT_OPSYS == RT_OPSYS_MINIX
+# ifndef RT_OS_MINIX
+# define RT_OS_MINIX
+# endif
+#elif RT_OPSYS == RT_OPSYS_NETBSD
+# ifndef RT_OS_NETBSD
+# define RT_OS_NETBSD
+# endif
+#elif RT_OPSYS == RT_OPSYS_NETWARE
+# ifndef RT_OS_NETWARE
+# define RT_OS_NETWARE
+# endif
+#elif RT_OPSYS == RT_OPSYS_NT
+# ifndef RT_OS_NT
+# define RT_OS_NT
+# endif
+#elif RT_OPSYS == RT_OPSYS_OPENBSD
+# ifndef RT_OS_OPENBSD
+# define RT_OS_OPENBSD
+# endif
+#elif RT_OPSYS == RT_OPSYS_OS2
+# ifndef RT_OS_OS2
+# define RT_OS_OS2
+# endif
+#elif RT_OPSYS == RT_OPSYS_PLAN9
+# ifndef RT_OS_PLAN9
+# define RT_OS_PLAN9
+# endif
+#elif RT_OPSYS == RT_OPSYS_QNX
+# ifndef RT_OS_QNX
+# define RT_OS_QNX
+# endif
+#elif RT_OPSYS == RT_OPSYS_SOLARIS
+# ifndef RT_OS_SOLARIS
+# define RT_OS_SOLARIS
+# endif
+#elif RT_OPSYS == RT_OPSYS_UEFI
+# ifndef RT_OS_UEFI
+# define RT_OS_UEFI
+# endif
+#elif RT_OPSYS == RT_OPSYS_WINDOWS
+# ifndef RT_OS_WINDOWS
+# define RT_OS_WINDOWS
+# endif
+#else
+# error "Bad RT_OPSYS value."
+#endif
+
+
+/**
+ * Checks whether the given OpSys uses DOS-style paths or not.
+ *
+ * By DOS-style paths we include drive lettering and UNC paths.
+ *
+ * @returns true / false
+ * @param a_OpSys The RT_OPSYS_XXX value to check, will be reference
+ * multiple times.
+ */
+#define RT_OPSYS_USES_DOS_PATHS(a_OpSys) \
+ ( (a_OpSys) == RT_OPSYS_WINDOWS \
+ || (a_OpSys) == RT_OPSYS_OS2 \
+ || (a_OpSys) == RT_OPSYS_DOS )
+
+
+
+/** @def CTXTYPE
+ * Declare a type differently in GC, R3 and R0.
+ *
+ * @param a_GCType The GC type.
+ * @param a_R3Type The R3 type.
+ * @param a_R0Type The R0 type.
+ * @remark For pointers used only in one context use RCPTRTYPE(), R3R0PTRTYPE(), R3PTRTYPE() or R0PTRTYPE().
+ */
+#if defined(IN_RC) && !defined(DOXYGEN_RUNNING)
+# define CTXTYPE(a_GCType, a_R3Type, a_R0Type) a_GCType
+#elif defined(IN_RING3) || defined(DOXYGEN_RUNNING)
+# define CTXTYPE(a_GCType, a_R3Type, a_R0Type) a_R3Type
+#else
+# define CTXTYPE(a_GCType, a_R3Type, a_R0Type) a_R0Type
+#endif
+
+/** @def CTX_EXPR
+ * Expression selector for avoiding \#ifdef's.
+ *
+ * @param a_R3Expr The R3 expression.
+ * @param a_R0Expr The R0 expression.
+ * @param a_RCExpr The RC expression.
+ */
+#if defined(IN_RC) && !defined(DOXYGEN_RUNNING)
+# define CTX_EXPR(a_R3Expr, a_R0Expr, a_RCExpr) a_RCExpr
+#elif defined(IN_RING0) && !defined(DOXYGEN_RUNNING)
+# define CTX_EXPR(a_R3Expr, a_R0Expr, a_RCExpr) a_R0Expr
+#else
+# define CTX_EXPR(a_R3Expr, a_R0Expr, a_RCExpr) a_R3Expr
+#endif
+
+/** @def RCPTRTYPE
+ * Declare a pointer which is used in the raw mode context but appears in structure(s) used by
+ * both HC and RC. The main purpose is to make sure structures have the same
+ * size when built for different architectures.
+ *
+ * @param a_RCType The RC type.
+ */
+#define RCPTRTYPE(a_RCType) CTXTYPE(a_RCType, RTRCPTR, RTRCPTR)
+
+/** @def RGPTRTYPE
+ * This will become RCPTRTYPE once we've converted all uses of RCPTRTYPE to this.
+ *
+ * @param a_RCType The RC type.
+ */
+#define RGPTRTYPE(a_RCType) CTXTYPE(a_RCType, RTGCPTR, RTGCPTR)
+
+/** @def R3R0PTRTYPE
+ * Declare a pointer which is used in HC, is explicitly valid in ring 3 and 0,
+ * but appears in structure(s) used by both HC and GC. The main purpose is to
+ * make sure structures have the same size when built for different architectures.
+ *
+ * @param a_R3R0Type The R3R0 type.
+ * @remarks This used to be called HCPTRTYPE.
+ */
+#define R3R0PTRTYPE(a_R3R0Type) CTXTYPE(RTHCPTR, a_R3R0Type, a_R3R0Type)
+
+/** @def R3PTRTYPE
+ * Declare a pointer which is used in R3 but appears in structure(s) used by
+ * both HC and GC. The main purpose is to make sure structures have the same
+ * size when built for different architectures.
+ *
+ * @param a_R3Type The R3 type.
+ */
+#define R3PTRTYPE(a_R3Type) CTXTYPE(RTHCUINTPTR, a_R3Type, RTHCUINTPTR)
+
+/** @def R0PTRTYPE
+ * Declare a pointer which is used in R0 but appears in structure(s) used by
+ * both HC and GC. The main purpose is to make sure structures have the same
+ * size when built for different architectures.
+ *
+ * @param a_R0Type The R0 type.
+ */
+#define R0PTRTYPE(a_R0Type) CTXTYPE(RTHCUINTPTR, RTHCUINTPTR, a_R0Type)
+
+/** @def CTXSUFF
+ * Adds the suffix of the current context to the passed in
+ * identifier name. The suffix is HC or GC.
+ *
+ * This is macro should only be used in shared code to avoid a forest of ifdefs.
+ * @param a_Var Identifier name.
+ * @deprecated Use CTX_SUFF. Do NOT use this for new code.
+ */
+/** @def OTHERCTXSUFF
+ * Adds the suffix of the other context to the passed in
+ * identifier name. The suffix is HC or GC.
+ *
+ * This is macro should only be used in shared code to avoid a forest of ifdefs.
+ * @param a_Var Identifier name.
+ * @deprecated Use CTX_SUFF. Do NOT use this for new code.
+ */
+#if defined(IN_RC) && !defined(DOXYGEN_RUNNING)
+# define CTXSUFF(a_Var) a_Var##GC
+# define OTHERCTXSUFF(a_Var) a_Var##HC
+#else
+# define CTXSUFF(a_Var) a_Var##HC
+# define OTHERCTXSUFF(a_Var) a_Var##GC
+#endif
+
+/** @def CTXALLSUFF
+ * Adds the suffix of the current context to the passed in
+ * identifier name. The suffix is R3, R0 or GC.
+ *
+ * This is macro should only be used in shared code to avoid a forest of ifdefs.
+ * @param a_Var Identifier name.
+ * @deprecated Use CTX_SUFF. Do NOT use this for new code.
+ */
+#if defined(IN_RC) && !defined(DOXYGEN_RUNNING)
+# define CTXALLSUFF(a_Var) a_Var##GC
+#elif defined(IN_RING0) && !defined(DOXYGEN_RUNNING)
+# define CTXALLSUFF(a_Var) a_Var##R0
+#else
+# define CTXALLSUFF(a_Var) a_Var##R3
+#endif
+
+/** @def CTX_SUFF
+ * Adds the suffix of the current context to the passed in
+ * identifier name. The suffix is R3, R0 or RC.
+ *
+ * This is macro should only be used in shared code to avoid a forest of ifdefs.
+ * @param a_Var Identifier name.
+ *
+ * @remark This will replace CTXALLSUFF and CTXSUFF before long.
+ */
+#if defined(IN_RC) && !defined(DOXYGEN_RUNNING)
+# define CTX_SUFF(a_Var) a_Var##RC
+#elif defined(IN_RING0) && !defined(DOXYGEN_RUNNING)
+# define CTX_SUFF(a_Var) a_Var##R0
+#else
+# define CTX_SUFF(a_Var) a_Var##R3
+#endif
+
+/** @def CTX_SUFF_Z
+ * Adds the suffix of the current context to the passed in
+ * identifier name, combining RC and R0 into RZ.
+ * The suffix thus is R3 or RZ.
+ *
+ * This is macro should only be used in shared code to avoid a forest of ifdefs.
+ * @param a_Var Identifier name.
+ *
+ * @remark This will replace CTXALLSUFF and CTXSUFF before long.
+ */
+#if defined(IN_RING3) || defined(DOXYGEN_RUNNING)
+# define CTX_SUFF_Z(a_Var) a_Var##R3
+#else
+# define CTX_SUFF_Z(a_Var) a_Var##RZ
+#endif
+
+
+/** @def CTXMID
+ * Adds the current context as a middle name of an identifier name
+ * The middle name is HC or GC.
+ *
+ * This is macro should only be used in shared code to avoid a forest of ifdefs.
+ * @param a_First First name.
+ * @param a_Last Surname.
+ */
+/** @def OTHERCTXMID
+ * Adds the other context as a middle name of an identifier name
+ * The middle name is HC or GC.
+ *
+ * This is macro should only be used in shared code to avoid a forest of ifdefs.
+ * @param a_First First name.
+ * @param a_Last Surname.
+ * @deprecated use CTX_MID or CTX_MID_Z
+ */
+#if defined(IN_RC) && !defined(DOXYGEN_RUNNING)
+# define CTXMID(a_First, a_Last) a_First##GC##a_Last
+# define OTHERCTXMID(a_First, a_Last) a_First##HC##a_Last
+#else
+# define CTXMID(a_First, a_Last) a_First##HC##a_Last
+# define OTHERCTXMID(a_First, a_Last) a_First##GC##a_Last
+#endif
+
+/** @def CTXALLMID
+ * Adds the current context as a middle name of an identifier name.
+ * The middle name is R3, R0 or GC.
+ *
+ * This is macro should only be used in shared code to avoid a forest of ifdefs.
+ * @param a_First First name.
+ * @param a_Last Surname.
+ * @deprecated use CTX_MID or CTX_MID_Z
+ */
+#if defined(IN_RC) && !defined(DOXYGEN_RUNNING)
+# define CTXALLMID(a_First, a_Last) a_First##GC##a_Last
+#elif defined(IN_RING0) && !defined(DOXYGEN_RUNNING)
+# define CTXALLMID(a_First, a_Last) a_First##R0##a_Last
+#else
+# define CTXALLMID(a_First, a_Last) a_First##R3##a_Last
+#endif
+
+/** @def CTX_MID
+ * Adds the current context as a middle name of an identifier name.
+ * The middle name is R3, R0 or RC.
+ *
+ * This is macro should only be used in shared code to avoid a forest of ifdefs.
+ * @param a_First First name.
+ * @param a_Last Surname.
+ */
+#if defined(IN_RC) && !defined(DOXYGEN_RUNNING)
+# define CTX_MID(a_First, a_Last) a_First##RC##a_Last
+#elif defined(IN_RING0) && !defined(DOXYGEN_RUNNING)
+# define CTX_MID(a_First, a_Last) a_First##R0##a_Last
+#else
+# define CTX_MID(a_First, a_Last) a_First##R3##a_Last
+#endif
+
+/** @def CTX_MID_Z
+ * Adds the current context as a middle name of an identifier name, combining RC
+ * and R0 into RZ.
+ * The middle name thus is either R3 or RZ.
+ *
+ * This is macro should only be used in shared code to avoid a forest of ifdefs.
+ * @param a_First First name.
+ * @param a_Last Surname.
+ */
+#ifdef IN_RING3
+# define CTX_MID_Z(a_First, a_Last) a_First##R3##a_Last
+#else
+# define CTX_MID_Z(a_First, a_Last) a_First##RZ##a_Last
+#endif
+
+
+/** @def R3STRING
+ * A macro which in GC and R0 will return a dummy string while in R3 it will return
+ * the parameter.
+ *
+ * This is typically used to wrap description strings in structures shared
+ * between R3, R0 and/or GC. The intention is to avoid the \#ifdef IN_RING3 mess.
+ *
+ * @param a_pR3String The R3 string. Only referenced in R3.
+ * @see R0STRING and GCSTRING
+ */
+#ifdef IN_RING3
+# define R3STRING(a_pR3String) (a_pR3String)
+#else
+# define R3STRING(a_pR3String) ("<R3_STRING>")
+#endif
+
+/** @def R0STRING
+ * A macro which in GC and R3 will return a dummy string while in R0 it will return
+ * the parameter.
+ *
+ * This is typically used to wrap description strings in structures shared
+ * between R3, R0 and/or GC. The intention is to avoid the \#ifdef IN_RING0 mess.
+ *
+ * @param a_pR0String The R0 string. Only referenced in R0.
+ * @see R3STRING and GCSTRING
+ */
+#ifdef IN_RING0
+# define R0STRING(a_pR0String) (a_pR0String)
+#else
+# define R0STRING(a_pR0String) ("<R0_STRING>")
+#endif
+
+/** @def RCSTRING
+ * A macro which in R3 and R0 will return a dummy string while in RC it will return
+ * the parameter.
+ *
+ * This is typically used to wrap description strings in structures shared
+ * between R3, R0 and/or RC. The intention is to avoid the \#ifdef IN_RC mess.
+ *
+ * @param a_pRCString The RC string. Only referenced in RC.
+ * @see R3STRING, R0STRING
+ */
+#ifdef IN_RC
+# define RCSTRING(a_pRCString) (a_pRCString)
+#else
+# define RCSTRING(a_pRCString) ("<RC_STRING>")
+#endif
+
+
+/** @def RT_NOTHING
+ * A macro that expands to nothing.
+ * This is primarily intended as a dummy argument for macros to avoid the
+ * undefined behavior passing empty arguments to an macro (ISO C90 and C++98,
+ * gcc v4.4 warns about it).
+ */
+#define RT_NOTHING
+
+/** @def RT_GCC_EXTENSION
+ * Macro for shutting up GCC warnings about using language extensions. */
+#ifdef __GNUC__
+# define RT_GCC_EXTENSION __extension__
+#else
+# define RT_GCC_EXTENSION
+#endif
+
+/** @def RT_GCC_NO_WARN_DEPRECATED_BEGIN
+ * Used to start a block of code where GCC and Clang should not warn about
+ * deprecated declarations. */
+/** @def RT_GCC_NO_WARN_DEPRECATED_END
+ * Used to end a block of code where GCC and Clang should not warn about
+ * deprecated declarations. */
+#if RT_CLANG_PREREQ(4, 0)
+# define RT_GCC_NO_WARN_DEPRECATED_BEGIN \
+ _Pragma("clang diagnostic push") \
+ _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+# define RT_GCC_NO_WARN_DEPRECATED_END \
+ _Pragma("clang diagnostic pop")
+
+#elif RT_GNUC_PREREQ(4, 6)
+# define RT_GCC_NO_WARN_DEPRECATED_BEGIN \
+ _Pragma("GCC diagnostic push") \
+ _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+# define RT_GCC_NO_WARN_DEPRECATED_END \
+ _Pragma("GCC diagnostic pop")
+#else
+# define RT_GCC_NO_WARN_DEPRECATED_BEGIN
+# define RT_GCC_NO_WARN_DEPRECATED_END
+#endif
+
+/** @def RT_GCC_NO_WARN_CONVERSION_BEGIN
+ * Used to start a block of code where GCC should not warn about implicit
+ * conversions that may alter a value. */
+#if RT_GNUC_PREREQ(4, 6)
+# define RT_GCC_NO_WARN_CONVERSION_BEGIN \
+ _Pragma("GCC diagnostic push") \
+ _Pragma("GCC diagnostic ignored \"-Wconversion\"")
+/** @def RT_GCC_NO_WARN_CONVERSION_END
+ * Used to end a block of code where GCC should not warn about implicit
+ * conversions that may alter a value. */
+# define RT_GCC_NO_WARN_CONVERSION_END \
+ _Pragma("GCC diagnostic pop")
+#else
+# define RT_GCC_NO_WARN_CONVERSION_BEGIN
+# define RT_GCC_NO_WARN_CONVERSION_END
+#endif
+
+/** @def RT_COMPILER_GROKS_64BIT_BITFIELDS
+ * Macro that is defined if the compiler understands 64-bit bitfields. */
+#if !defined(RT_OS_OS2) || (!defined(__IBMC__) && !defined(__IBMCPP__))
+# if !defined(__WATCOMC__) /* watcom compiler doesn't grok it either. */
+# define RT_COMPILER_GROKS_64BIT_BITFIELDS
+# endif
+#endif
+
+/** @def RT_COMPILER_LONG_DOUBLE_BITS
+ * Number of relevant bits in the long double type: 64, 80 or 128 */
+/** @def RT_COMPILER_WITH_64BIT_LONG_DOUBLE
+ * Macro that is defined if the compiler implements long double as the
+ * IEEE precision floating. */
+/** @def RT_COMPILER_WITH_80BIT_LONG_DOUBLE
+ * Macro that is defined if the compiler implements long double as the
+ * IEEE extended precision floating. */
+/** @def RT_COMPILER_WITH_128BIT_LONG_DOUBLE
+* Macro that is defined if the compiler implements long double as the
+* IEEE quadruple precision floating (128-bit).
+* @note Currently not able to detect this, so must be explicitly defined. */
+#if defined(__LDBL_MANT_DIG__) /* GCC & clang have this defined and should be more reliable. */
+# if __LDBL_MANT_DIG__ == 53
+# define RT_COMPILER_LONG_DOUBLE_BITS 64
+# define RT_COMPILER_WITH_64BIT_LONG_DOUBLE
+# undef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
+# undef RT_COMPILER_WITH_128BIT_LONG_DOUBLE
+# elif __LDBL_MANT_DIG__ == 64
+# define RT_COMPILER_LONG_DOUBLE_BITS 80
+# undef RT_COMPILER_WITH_64BIT_LONG_DOUBLE
+# define RT_COMPILER_WITH_80BIT_LONG_DOUBLE
+# undef RT_COMPILER_WITH_128BIT_LONG_DOUBLE
+# elif __LDBL_MANT_DIG__ == 113
+# define RT_COMPILER_LONG_DOUBLE_BITS 128
+# undef RT_COMPILER_WITH_64BIT_LONG_DOUBLE
+# undef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
+# define RT_COMPILER_WITH_128BIT_LONG_DOUBLE
+# else
+# error "Port me!"
+# endif
+#elif defined(RT_OS_WINDOWS) || defined(RT_ARCH_ARM64) || defined(RT_ARCH_ARM32) /* the M1 arm64 at least */
+# define RT_COMPILER_LONG_DOUBLE_BITS 64
+# define RT_COMPILER_WITH_64BIT_LONG_DOUBLE
+# undef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
+# undef RT_COMPILER_WITH_128BIT_LONG_DOUBLE
+#elif defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
+# define RT_COMPILER_LONG_DOUBLE_BITS 80
+# undef RT_COMPILER_WITH_64BIT_LONG_DOUBLE
+# define RT_COMPILER_WITH_80BIT_LONG_DOUBLE
+# undef RT_COMPILER_WITH_128BIT_LONG_DOUBLE
+#elif defined(RT_ARCH_SPARC) || defined(RT_ARCH_SPARC64)
+# define RT_COMPILER_LONG_DOUBLE_BITS 128
+# undef RT_COMPILER_WITH_64BIT_LONG_DOUBLE
+# undef RT_COMPILER_WITH_80BIT_LONG_DOUBLE
+# define RT_COMPILER_WITH_128BIT_LONG_DOUBLE
+#else
+# error "Port me!"
+#endif
+
+/** @def RT_COMPILER_WITH_128BIT_INT_TYPES
+ * Defined when uint128_t and int128_t are native integer types. If
+ * undefined, they are structure with Hi & Lo members. */
+#if defined(__SIZEOF_INT128__) || (defined(__GNUC__) && (defined(RT_ARCH_AMD64) || defined(RT_ARCH_ARM64)))
+# define RT_COMPILER_WITH_128BIT_INT_TYPES
+#endif
+
+/** @def RT_EXCEPTIONS_ENABLED
+ * Defined when C++ exceptions are enabled.
+ */
+#if !defined(RT_EXCEPTIONS_ENABLED) \
+ && defined(__cplusplus) \
+ && ( (defined(_MSC_VER) && defined(_CPPUNWIND)) \
+ || (defined(__GNUC__) && defined(__EXCEPTIONS)))
+# define RT_EXCEPTIONS_ENABLED
+#endif
+
+/** @def DECL_NOTHROW
+ * How to declare a function which does not throw C++ exceptions.
+ *
+ * @param a_Type The return type.
+ *
+ * @note This macro can be combined with other macros, for example
+ * @code
+ * RTR3DECL(DECL_NOTHROW(void)) foo(void);
+ * @endcode
+ *
+ * @note GCC is currently restricted to 4.2+ given the ominous comments on
+ * RT_NOTHROW_PROTO.
+ */
+#ifdef __cplusplus
+# if RT_MSC_PREREQ(RT_MSC_VER_VS2015) /*?*/
+# define DECL_NOTHROW(a_Type) __declspec(nothrow) a_Type
+# elif RT_CLANG_PREREQ(6,0) || RT_GNUC_PREREQ(4,2)
+# define DECL_NOTHROW(a_Type) __attribute__((__nothrow__)) a_Type
+# else
+# define DECL_NOTHROW(a_Type) a_Type
+# endif
+#else
+# define DECL_NOTHROW(a_Type) a_Type
+#endif
+
+/** @def RT_NOTHROW_PROTO
+ * Function does not throw any C++ exceptions, prototype edition.
+ *
+ * How to express that a function doesn't throw C++ exceptions and the compiler
+ * can thus save itself the bother of trying to catch any of them and generate
+ * unwind info. Put this between the closing parenthesis and the semicolon in
+ * function prototypes (and implementation if C++).
+ *
+ * @note This translates to 'noexcept' when compiling in newer C++ mode.
+ *
+ * @remarks The use of the nothrow attribute with GCC is because old compilers
+ * (4.1.1, 32-bit) leaking the nothrow into global space or something
+ * when used with RTDECL or similar. Using this forces us to have two
+ * macros, as the nothrow attribute is not for the function definition.
+ */
+/** @def RT_NOTHROW_DEF
+ * Function does not throw any C++ exceptions, definition edition.
+ *
+ * The counter part to RT_NOTHROW_PROTO that is added to the function
+ * definition.
+ */
+#ifdef RT_EXCEPTIONS_ENABLED
+# if RT_MSC_PREREQ_EX(RT_MSC_VER_VS2015, 0) \
+ || RT_CLANG_HAS_FEATURE(cxx_noexcept) \
+ || (RT_GNUC_PREREQ(7, 0) && __cplusplus >= 201100)
+# define RT_NOTHROW_PROTO noexcept
+# define RT_NOTHROW_DEF noexcept
+# elif defined(__GNUC__)
+# if RT_GNUC_PREREQ(3, 3)
+# define RT_NOTHROW_PROTO __attribute__((__nothrow__))
+# else
+# define RT_NOTHROW_PROTO
+# endif
+# define RT_NOTHROW_DEF /* Would need a DECL_NO_THROW like __declspec(nothrow), which we wont do at this point. */
+# else
+# define RT_NOTHROW_PROTO throw()
+# define RT_NOTHROW_DEF throw()
+# endif
+#else
+# define RT_NOTHROW_PROTO
+# define RT_NOTHROW_DEF
+#endif
+/** @def RT_NOTHROW_PROTO
+ * @deprecated Use RT_NOTHROW_PROTO. */
+#define RT_NO_THROW_PROTO RT_NOTHROW_PROTO
+/** @def RT_NOTHROW_DEF
+ * @deprecated Use RT_NOTHROW_DEF. */
+#define RT_NO_THROW_DEF RT_NOTHROW_DEF
+
+/** @def RT_THROW
+ * How to express that a method or function throws a type of exceptions. Some
+ * compilers does not want this kind of information and will warning about it.
+ *
+ * @param a_Type The type exception.
+ *
+ * @remarks If the actual throwing is done from the header, enclose it by
+ * \#ifdef RT_EXCEPTIONS_ENABLED ... \#else ... \#endif so the header
+ * compiles cleanly without exceptions enabled.
+ *
+ * Do NOT use this for the actual throwing of exceptions!
+ */
+#ifdef RT_EXCEPTIONS_ENABLED
+# if (__cplusplus + 0) >= 201700
+# define RT_THROW(a_Type) noexcept(false)
+# elif RT_MSC_PREREQ_EX(RT_MSC_VER_VC71, 0)
+# define RT_THROW(a_Type)
+# elif RT_GNUC_PREREQ(7, 0)
+# define RT_THROW(a_Type)
+# else
+# define RT_THROW(a_Type) throw(a_Type)
+# endif
+#else
+# define RT_THROW(a_Type)
+#endif
+
+
+/** @def RT_OVERRIDE
+ * Wrapper for the C++11 override keyword.
+ *
+ * @remarks Recognized by g++ starting 4.7, however causes pedantic warnings
+ * when used without officially enabling the C++11 features.
+ */
+#ifdef __cplusplus
+# if RT_MSC_PREREQ_EX(RT_MSC_VER_VS2012, 0)
+# define RT_OVERRIDE override
+# elif RT_GNUC_PREREQ(4, 7)
+# if __cplusplus >= 201100
+# define RT_OVERRIDE override
+# else
+# define RT_OVERRIDE
+# endif
+# else
+# define RT_OVERRIDE
+# endif
+#else
+# define RT_OVERRIDE
+#endif
+
+/** @def RT_NOEXCEPT
+ * Wrapper for the C++11 noexcept keyword (only true form).
+ * @note use RT_NOTHROW instead.
+ */
+/** @def RT_NOEXCEPT_EX
+ * Wrapper for the C++11 noexcept keyword with expression.
+ * @param a_Expr The expression.
+ */
+#ifdef __cplusplus
+# if (RT_MSC_PREREQ_EX(RT_MSC_VER_VS2015, 0) && defined(RT_EXCEPTIONS_ENABLED)) \
+ || RT_CLANG_HAS_FEATURE(cxx_noexcept) \
+ || (RT_GNUC_PREREQ(7, 0) && __cplusplus >= 201100)
+# define RT_NOEXCEPT noexcept
+# define RT_NOEXCEPT_EX(a_Expr) noexcept(a_Expr)
+# else
+# define RT_NOEXCEPT
+# define RT_NOEXCEPT_EX(a_Expr)
+# endif
+#else
+# define RT_NOEXCEPT
+# define RT_NOEXCEPT_EX(a_Expr)
+#endif
+
+/** @def RT_ALIGNAS_VAR
+ * Wrapper for the C++ alignas keyword when used on variables.
+ *
+ * This must be put before the storage class and type.
+ *
+ * @param a_cbAlign The alignment. Must be power of two.
+ * @note If C++11 is not enabled/detectable, alternatives will be used where
+ * available. */
+/** @def RT_ALIGNAS_TYPE
+ * Wrapper for the C++ alignas keyword when used on types.
+ *
+ * When using struct, this must follow the struct keyword.
+ *
+ * @param a_cbAlign The alignment. Must be power of two.
+ * @note If C++11 is not enabled/detectable, alternatives will be used where
+ * available. */
+/** @def RT_ALIGNAS_MEMB
+ * Wrapper for the C++ alignas keyword when used on structure members.
+ *
+ * This must be put before the variable type.
+ *
+ * @param a_cbAlign The alignment. Must be power of two.
+ * @note If C++11 is not enabled/detectable, alternatives will be used where
+ * available. */
+#ifdef __cplusplus
+# if __cplusplus >= 201100 || defined(DOXYGEN_RUNNING)
+# define RT_ALIGNAS_VAR(a_cbAlign) alignas(a_cbAlign)
+# define RT_ALIGNAS_TYPE(a_cbAlign) alignas(a_cbAlign)
+# define RT_ALIGNAS_MEMB(a_cbAlign) alignas(a_cbAlign)
+# endif
+#endif
+#ifndef RT_ALIGNAS_VAR
+# ifdef _MSC_VER
+# define RT_ALIGNAS_VAR(a_cbAlign) __declspec(align(a_cbAlign))
+# define RT_ALIGNAS_TYPE(a_cbAlign) __declspec(align(a_cbAlign))
+# define RT_ALIGNAS_MEMB(a_cbAlign) __declspec(align(a_cbAlign))
+# elif defined(__GNUC__)
+# define RT_ALIGNAS_VAR(a_cbAlign) __attribute__((__aligned__(a_cbAlign)))
+# define RT_ALIGNAS_TYPE(a_cbAlign) __attribute__((__aligned__(a_cbAlign)))
+# define RT_ALIGNAS_MEMB(a_cbAlign) __attribute__((__aligned__(a_cbAlign)))
+# else
+# define RT_ALIGNAS_VAR(a_cbAlign)
+# define RT_ALIGNAS_TYPE(a_cbAlign)
+# define RT_ALIGNAS_MEMB(a_cbAlign)
+# endif
+#endif
+
+/** @def RT_CACHELINE_SIZE
+ * The typical cache line size for the target architecture.
+ * @see RT_ALIGNAS_VAR, RT_ALIGNAS_TYPE, RT_ALIGNAS_MEMB
+ */
+#if defined(RT_ARCH_X86) || defined(RT_ARCH_AMD64) \
+ || defined(RT_ARCH_ARM32) || defined(RT_ARCH_ARM64) \
+ || defined(RT_ARCH_SPARC32) || defined(RT_ARCH_SPARC64) \
+ || defined(DOXYGEN_RUNNING)
+# define RT_CACHELINE_SIZE 64
+#else
+# define RT_CACHELINE_SIZE 128 /* better overdo it */
+#endif
+
+/** @def RT_FALL_THROUGH
+ * Tell the compiler that we're falling through to the next case in a switch.
+ * @sa RT_FALL_THRU */
+#if RT_CLANG_PREREQ(4, 0) && RT_CPLUSPLUS_PREREQ(201100)
+# define RT_FALL_THROUGH() [[clang::fallthrough]]
+#elif RT_CLANG_PREREQ(12, 0) || RT_GNUC_PREREQ(7, 0)
+# define RT_FALL_THROUGH() __attribute__((__fallthrough__))
+#else
+# define RT_FALL_THROUGH() (void)0
+#endif
+/** @def RT_FALL_THRU
+ * Tell the compiler that we're falling thru to the next case in a switch.
+ * @sa RT_FALL_THROUGH */
+#define RT_FALL_THRU() RT_FALL_THROUGH()
+
+
+/** @def RT_IPRT_FORMAT_ATTR
+ * Identifies a function taking an IPRT format string.
+ * @param a_iFmt The index (1-based) of the format string argument.
+ * @param a_iArgs The index (1-based) of the first format argument, use 0 for
+ * va_list.
+ */
+#if defined(__GNUC__) && defined(WITH_IPRT_FORMAT_ATTRIBUTE)
+# define RT_IPRT_FORMAT_ATTR(a_iFmt, a_iArgs) __attribute__((__iprt_format__(a_iFmt, a_iArgs)))
+#else
+# define RT_IPRT_FORMAT_ATTR(a_iFmt, a_iArgs)
+#endif
+
+/** @def RT_IPRT_FORMAT_ATTR_MAYBE_NULL
+ * Identifies a function taking an IPRT format string, NULL is allowed.
+ * @param a_iFmt The index (1-based) of the format string argument.
+ * @param a_iArgs The index (1-based) of the first format argument, use 0 for
+ * va_list.
+ */
+#if defined(__GNUC__) && defined(WITH_IPRT_FORMAT_ATTRIBUTE)
+# define RT_IPRT_FORMAT_ATTR_MAYBE_NULL(a_iFmt, a_iArgs) __attribute__((__iprt_format_maybe_null__(a_iFmt, a_iArgs)))
+#else
+# define RT_IPRT_FORMAT_ATTR_MAYBE_NULL(a_iFmt, a_iArgs)
+#endif
+
+
+/** @def RT_GCC_SUPPORTS_VISIBILITY_HIDDEN
+ * Indicates that the "hidden" visibility attribute can be used (GCC) */
+#if defined(__GNUC__)
+# if __GNUC__ >= 4 && !defined(RT_OS_OS2) && !defined(RT_OS_WINDOWS)
+# define RT_GCC_SUPPORTS_VISIBILITY_HIDDEN
+# endif
+#endif
+
+/** @def RT_COMPILER_SUPPORTS_VA_ARGS
+ * If the defined, the compiler supports the variadic macro feature (..., __VA_ARGS__). */
+#if defined(_MSC_VER)
+# if _MSC_VER >= 1600 /* Visual C++ v10.0 / 2010 */
+# define RT_COMPILER_SUPPORTS_VA_ARGS
+# endif
+#elif defined(__GNUC__)
+# if __GNUC__ >= 3 /* not entirely sure when this was added */
+# define RT_COMPILER_SUPPORTS_VA_ARGS
+# endif
+#elif defined(__WATCOMC__)
+# define RT_COMPILER_SUPPORTS_VA_ARGS
+#endif
+
+/** @def RT_CB_LOG_CAST
+ * Helper for logging function pointers to function may throw stuff.
+ *
+ * Not needed for function pointer types declared using our DECLCALLBACK
+ * macros, only external types. */
+#if defined(_MSC_VER) && defined(RT_EXCEPTIONS_ENABLED)
+# define RT_CB_LOG_CAST(a_pfnCallback) ((uintptr_t)(a_pfnCallback) + 1 - 1)
+#else
+# define RT_CB_LOG_CAST(a_pfnCallback) (a_pfnCallback)
+#endif
+
+
+
+/** @def RTCALL
+ * The standard calling convention for the Runtime interfaces.
+ *
+ * @remarks The regparm(0) in the X86/GNUC variant deals with -mregparm=x use in
+ * the linux kernel and potentially elsewhere (3rd party).
+ */
+#if defined(_MSC_VER) || defined(__WATCOMC__)
+# define RTCALL __cdecl
+#elif defined(RT_OS_OS2)
+# define RTCALL __cdecl
+#elif defined(__GNUC__) && defined(RT_ARCH_X86)
+# define RTCALL __attribute__((__cdecl__,__regparm__(0)))
+#else
+# define RTCALL
+#endif
+
+/** @def DECLEXPORT
+ * How to declare an exported function.
+ * @param a_RetType The return type of the function declaration.
+ */
+#if defined(_MSC_VER) || defined(RT_OS_OS2)
+# define DECLEXPORT(a_RetType) __declspec(dllexport) a_RetType
+#elif defined(RT_USE_VISIBILITY_DEFAULT)
+# define DECLEXPORT(a_RetType) __attribute__((visibility("default"))) a_RetType
+#else
+# define DECLEXPORT(a_RetType) a_RetType
+#endif
+
+/** @def DECL_EXPORT_NOTHROW
+ * How to declare an exported function that does not throw C++ exceptions.
+ * @param a_RetType The return type of the function declaration.
+ */
+#define DECL_EXPORT_NOTHROW(a_RetType) DECL_NOTHROW(DECLEXPORT(a_RetType))
+
+/** @def DECLIMPORT
+ * How to declare an imported function.
+ * @param a_RetType The return type of the function declaration.
+ */
+#if defined(_MSC_VER) || (defined(RT_OS_OS2) && !defined(__IBMC__) && !defined(__IBMCPP__))
+# define DECLIMPORT(a_RetType) __declspec(dllimport) a_RetType
+#else
+# define DECLIMPORT(a_RetType) a_RetType
+#endif
+
+/** @def DECL_IMPORT_NOTHROW
+ * How to declare an imported function that does not throw C++ exceptions.
+ * @param a_RetType The return type of the function declaration.
+ */
+#define DECL_IMPORT_NOTHROW(a_RetType) DECL_NOTHROW(DECLIMPORT(a_RetType))
+
+/** @def DECL_HIDDEN_ONLY
+ * How to declare a non-exported function or variable.
+ * @param a_Type The return type of the function or the data type of the variable.
+ * @sa DECL_HIDDEN, DECL_HIDDEN_DATA, DECL_HIDDEN_CONST
+ * @internal Considered more or less internal.
+ */
+#if !defined(RT_GCC_SUPPORTS_VISIBILITY_HIDDEN) || defined(RT_NO_VISIBILITY_HIDDEN)
+# define DECL_HIDDEN_ONLY(a_Type) a_Type
+#else
+# define DECL_HIDDEN_ONLY(a_Type) __attribute__((visibility("hidden"))) a_Type
+#endif
+
+/** @def DECLHIDDEN
+ * How to declare a non-exported function or variable.
+ * @param a_Type The return type of the function or the data type of the variable.
+ * @sa DECL_HIDDEN_THROW, DECL_HIDDEN_DATA, DECL_HIDDEN_CONST
+ * @todo split up into data and non-data.
+ */
+#define DECLHIDDEN(a_Type) DECL_NOTHROW(DECL_HIDDEN_ONLY(a_Type))
+
+/** @def DECL_HIDDEN_NOTHROW
+ * How to declare a non-exported function that does not throw C++ exceptions.
+ * @param a_RetType The return type of the function.
+ * @note Same as DECLHIDDEN but provided to go along with DECL_IMPORT_NOTHROW
+ * and DECL_EXPORT_NOTHROW.
+ */
+#define DECL_HIDDEN_NOTHROW(a_RetType) DECL_NOTHROW(DECL_HIDDEN_ONLY(a_RetType))
+
+/** @def DECL_HIDDEN_THROW
+ * How to declare a non-exported function that may throw C++ exceptions.
+ * @param a_RetType The return type of the function.
+ */
+#define DECL_HIDDEN_THROW(a_RetType) DECL_HIDDEN_ONLY(a_Type)
+
+/** @def DECL_HIDDEN_DATA
+ * How to declare a non-exported variable.
+ * @param a_Type The data type of the variable.
+ * @sa DECL_HIDDEN_CONST
+ */
+#if !defined(RT_GCC_SUPPORTS_VISIBILITY_HIDDEN) || defined(RT_NO_VISIBILITY_HIDDEN)
+# define DECL_HIDDEN_DATA(a_Type) a_Type
+#else
+# define DECL_HIDDEN_DATA(a_Type) __attribute__((visibility("hidden"))) a_Type
+#endif
+
+/** @def DECL_HIDDEN_CONST
+ * Workaround for g++ warnings when applying the hidden attribute to a const
+ * definition. Use DECL_HIDDEN_DATA for the declaration.
+ * @param a_Type The data type of the variable.
+ * @sa DECL_HIDDEN_DATA
+ */
+#if defined(__cplusplus) && defined(__GNUC__)
+# define DECL_HIDDEN_CONST(a_Type) a_Type
+#else
+# define DECL_HIDDEN_CONST(a_Type) DECL_HIDDEN_DATA(a_Type)
+#endif
+
+/** @def DECL_INVALID
+ * How to declare a function not available for linking in the current context.
+ * The purpose is to create compile or like time errors when used. This isn't
+ * possible on all platforms.
+ * @param a_RetType The return type of the function.
+ */
+#if defined(_MSC_VER)
+# define DECL_INVALID(a_RetType) __declspec(dllimport) a_RetType __stdcall
+#elif defined(__GNUC__) && defined(__cplusplus)
+# define DECL_INVALID(a_RetType) extern "C++" a_RetType
+#else
+# define DECL_INVALID(a_RetType) a_RetType
+#endif
+
+/** @def DECLASM
+ * How to declare an internal assembly function.
+ * @param a_RetType The return type of the function declaration.
+ * @note DECL_NOTHROW is implied.
+ */
+#ifdef __cplusplus
+# define DECLASM(a_RetType) extern "C" DECL_NOTHROW(a_RetType RTCALL)
+#else
+# define DECLASM(a_RetType) DECL_NOTHROW(a_RetType RTCALL)
+#endif
+
+/** @def RT_ASM_DECL_PRAGMA_WATCOM
+ * How to declare a assembly method prototype with watcom \#pragma aux definition. */
+/** @def RT_ASM_DECL_PRAGMA_WATCOM_386
+ * Same as RT_ASM_DECL_PRAGMA_WATCOM, but there is no 16-bit version when
+ * 8086, 80186 or 80286 is selected as the target CPU. */
+#if defined(__WATCOMC__) && ARCH_BITS == 16 && defined(RT_ARCH_X86)
+# define RT_ASM_DECL_PRAGMA_WATCOM(a_RetType) a_RetType
+# if defined(__SW_0) || defined(__SW_1) || defined(__SW_2)
+# define RT_ASM_DECL_PRAGMA_WATCOM_386(a_RetType) DECLASM(a_RetType)
+# else
+# define RT_ASM_DECL_PRAGMA_WATCOM_386(a_RetType) a_RetType
+# endif
+#elif defined(__WATCOMC__) && ARCH_BITS == 32 && defined(RT_ARCH_X86)
+# define RT_ASM_DECL_PRAGMA_WATCOM(a_RetType) a_RetType
+# define RT_ASM_DECL_PRAGMA_WATCOM_386(a_RetType) a_RetType
+#else
+# define RT_ASM_DECL_PRAGMA_WATCOM(a_RetType) DECLASM(a_RetType)
+# define RT_ASM_DECL_PRAGMA_WATCOM_386(a_RetType) DECLASM(a_RetType)
+#endif
+
+/** @def DECL_NO_RETURN
+ * How to declare a function which does not return.
+ * @note This macro can be combined with other macros, for example
+ * @code
+ * RTR3DECL(DECL_NO_RETURN(void)) foo(void);
+ * @endcode
+ */
+#ifdef _MSC_VER
+# define DECL_NO_RETURN(a_RetType) __declspec(noreturn) a_RetType
+#elif defined(__GNUC__)
+# define DECL_NO_RETURN(a_RetType) __attribute__((noreturn)) a_RetType
+#else
+# define DECL_NO_RETURN(a_RetType) a_RetType
+#endif
+
+/** @def DECL_RETURNS_TWICE
+ * How to declare a function which may return more than once.
+ * @note This macro can be combined with other macros, for example
+ * @code
+ * RTR3DECL(DECL_RETURNS_TWICE(void)) MySetJmp(void);
+ * @endcode
+ */
+#if RT_GNUC_PREREQ(4, 1)
+# define DECL_RETURNS_TWICE(a_RetType) __attribute__((returns_twice)) a_RetType
+#else
+# define DECL_RETURNS_TWICE(a_RetType) a_RetType
+#endif
+
+/** @def DECL_CHECK_RETURN
+ * Require a return value to be checked.
+ * @note This macro can be combined with other macros, for example
+ * @code
+ * RTR3DECL(DECL_CHECK_RETURN(int)) MayReturnInfoStatus(void);
+ * @endcode
+ */
+#if RT_GNUC_PREREQ(3, 4)
+# define DECL_CHECK_RETURN(a_RetType) __attribute__((warn_unused_result)) a_RetType
+#elif defined(_MSC_VER)
+# define DECL_CHECK_RETURN(a_RetType) __declspec("SAL_checkReturn") a_RetType
+#else
+# define DECL_CHECK_RETURN(a_RetType) a_RetType
+#endif
+
+/** @def DECL_CHECK_RETURN_NOT_R3
+ * Variation of DECL_CHECK_RETURN that only applies the required to non-ring-3
+ * code.
+ */
+#ifndef IN_RING3
+# define DECL_CHECK_RETURN_NOT_R3(a_RetType) DECL_CHECK_RETURN(a_RetType)
+#else
+# define DECL_CHECK_RETURN_NOT_R3(a_RetType) a_RetType
+#endif
+
+/** @def DECLWEAK
+ * How to declare a variable which is not necessarily resolved at
+ * runtime.
+ * @note This macro can be combined with other macros, for example
+ * @code
+ * RTR3DECL(DECLWEAK(int)) foo;
+ * @endcode
+ */
+#if defined(__GNUC__)
+# define DECLWEAK(a_Type) a_Type __attribute__((weak))
+#else
+# define DECLWEAK(a_Type) a_Type
+#endif
+
+/** @def DECLCALLBACK
+ * How to declare an call back function.
+ * @param a_RetType The return type of the function declaration.
+ * @note DECL_NOTHROW is implied.
+ * @note Use DECLCALLBACKTYPE for typedefs.
+ */
+#define DECLCALLBACK(a_RetType) DECL_NOTHROW(a_RetType RT_FAR_CODE RTCALL)
+
+/** @def DECL_HIDDEN_CALLBACK
+ * How to declare an call back function with hidden visibility.
+ * @param a_RetType The return type of the function declaration.
+ * @note DECL_NOTHROW is implied.
+ * @note Use DECLCALLBACKTYPE for typedefs.
+ */
+#define DECL_HIDDEN_CALLBACK(a_RetType) DECL_HIDDEN_ONLY(DECLCALLBACK(a_RetType))
+
+/** @def DECLCALLBACKTYPE_EX
+ * How to declare an call back function type.
+ * @param a_RetType The return type of the function declaration.
+ * @param a_CallConv Calling convention.
+ * @param a_Name The name of the typedef
+ * @param a_Args The argument list enclosed in parentheses.
+ * @note DECL_NOTHROW is implied, but not supported by all compilers yet.
+ */
+#if RT_CLANG_PREREQ(6,0) && !defined(RT_RELAXED_CALLBACKS_TYPES)
+# define DECLCALLBACKTYPE_EX(a_RetType, a_CallConv, a_Name, a_Args) __attribute__((__nothrow__)) a_RetType a_CallConv a_Name a_Args
+#elif RT_MSC_PREREQ(RT_MSC_VER_VS2015) /*?*/ && defined(__cplusplus) && defined(_MSC_EXTENSIONS) && !defined(RT_RELAXED_CALLBACKS_TYPES)
+# define DECLCALLBACKTYPE_EX(a_RetType, a_CallConv, a_Name, a_Args) a_RetType a_CallConv a_Name a_Args throw()
+#else
+# define DECLCALLBACKTYPE_EX(a_RetType, a_CallConv, a_Name, a_Args) a_RetType a_CallConv a_Name a_Args
+#endif
+/** @def DECLCALLBACKTYPE
+ * How to declare an call back function type.
+ * @param a_RetType The return type of the function declaration.
+ * @param a_Name The name of the typedef
+ * @param a_Args The argument list enclosed in parentheses.
+ * @note DECL_NOTHROW is implied, but not supported by all compilers yet.
+ */
+#define DECLCALLBACKTYPE(a_RetType, a_Name, a_Args) DECLCALLBACKTYPE_EX(a_RetType, RT_FAR_CODE RTCALL, a_Name, a_Args)
+
+/** @def DECLCALLBACKPTR_EX
+ * How to declare an call back function pointer.
+ * @param a_RetType The return type of the function declaration.
+ * @param a_CallConv Calling convention.
+ * @param a_Name The name of the variable member.
+ * @param a_Args The argument list enclosed in parentheses.
+ * @note DECL_NOTHROW is implied, but not supported by all compilers yet.
+ */
+#if defined(__IBMC__) || defined(__IBMCPP__)
+# define DECLCALLBACKPTR_EX(a_RetType, a_CallConv, a_Name, a_Args) a_RetType (* a_CallConv a_Name) a_Args
+#elif RT_CLANG_PREREQ(6,0) && !defined(RT_RELAXED_CALLBACKS_TYPES)
+# define DECLCALLBACKPTR_EX(a_RetType, a_CallConv, a_Name, a_Args) __attribute__((__nothrow__)) a_RetType (a_CallConv * a_Name) a_Args
+#elif RT_MSC_PREREQ(RT_MSC_VER_VS2015) /*?*/ && defined(__cplusplus) && defined(_MSC_EXTENSIONS) && !defined(RT_RELAXED_CALLBACKS_TYPES)
+# define DECLCALLBACKPTR_EX(a_RetType, a_CallConv, a_Name, a_Args) a_RetType (a_CallConv * a_Name) a_Args throw()
+#else
+# define DECLCALLBACKPTR_EX(a_RetType, a_CallConv, a_Name, a_Args) a_RetType (a_CallConv * a_Name) a_Args
+#endif
+/** @def DECLCALLBACKPTR
+ * How to declare an call back function pointer.
+ * @param a_RetType The return type of the function declaration.
+ * @param a_Name The name of the variable member.
+ * @param a_Args The argument list enclosed in parentheses.
+ * @note DECL_NOTHROW is implied, but not supported by all compilers yet.
+ */
+#define DECLCALLBACKPTR(a_RetType, a_Name, a_Args) DECLCALLBACKPTR_EX(a_RetType, RT_FAR_CODE RTCALL, a_Name, a_Args)
+
+/** @def DECLCALLBACKMEMBER_EX
+ * How to declare an call back function pointer member.
+ * @param a_RetType The return type of the function declaration.
+ * @param a_CallConv Calling convention.
+ * @param a_Name The name of the struct/union/class member.
+ * @param a_Args The argument list enclosed in parentheses.
+ * @note DECL_NOTHROW is implied, but not supported by all compilers yet.
+ */
+#if defined(__IBMC__) || defined(__IBMCPP__)
+# define DECLCALLBACKMEMBER_EX(a_RetType, a_CallConv, a_Name, a_Args) a_RetType (* a_CallConv a_Name) a_Args
+#elif RT_CLANG_PREREQ(6,0) && !defined(RT_RELAXED_CALLBACKS_TYPES)
+# define DECLCALLBACKMEMBER_EX(a_RetType, a_CallConv, a_Name, a_Args) __attribute__((__nothrow__)) a_RetType (a_CallConv *a_Name) a_Args
+#elif RT_MSC_PREREQ(RT_MSC_VER_VS2015) /*?*/ && defined(__cplusplus) && defined(_MSC_EXTENSIONS) && !defined(RT_RELAXED_CALLBACKS_TYPES)
+# define DECLCALLBACKMEMBER_EX(a_RetType, a_CallConv, a_Name, a_Args) a_RetType (a_CallConv *a_Name) a_Args throw()
+#else
+# define DECLCALLBACKMEMBER_EX(a_RetType, a_CallConv, a_Name, a_Args) a_RetType (a_CallConv *a_Name) a_Args
+#endif
+/** @def DECLCALLBACKMEMBER
+ * How to declare an call back function pointer member.
+ * @param a_RetType The return type of the function declaration.
+ * @param a_Name The name of the struct/union/class member.
+ * @param a_Args The argument list enclosed in parentheses.
+ * @note DECL_NOTHROW is implied, but not supported by all compilers yet.
+ */
+#define DECLCALLBACKMEMBER(a_RetType, a_Name, a_Args) DECLCALLBACKMEMBER_EX(a_RetType, RT_FAR_CODE RTCALL, a_Name, a_Args)
+
+/** @def DECLR3CALLBACKMEMBER
+ * How to declare an call back function pointer member - R3 Ptr.
+ * @param a_RetType The return type of the function declaration.
+ * @param a_Name The name of the struct/union/class member.
+ * @param a_Args The argument list enclosed in parentheses.
+ * @note DECL_NOTHROW is implied, but not supported by all compilers yet.
+ */
+#if defined(IN_RING3) || defined(DOXYGEN_RUNNING)
+# define DECLR3CALLBACKMEMBER(a_RetType, a_Name, a_Args) DECLCALLBACKMEMBER(a_RetType, a_Name, a_Args)
+#else
+# define DECLR3CALLBACKMEMBER(a_RetType, a_Name, a_Args) RTR3PTR a_Name
+#endif
+
+/** @def DECLRCCALLBACKMEMBER
+ * How to declare an call back function pointer member - RC Ptr.
+ * @param a_RetType The return type of the function declaration.
+ * @param a_Name The name of the struct/union/class member.
+ * @param a_Args The argument list enclosed in parentheses.
+ * @note DECL_NOTHROW is implied, but not supported by all compilers yet.
+ */
+#if defined(IN_RC) || defined(DOXYGEN_RUNNING)
+# define DECLRCCALLBACKMEMBER(a_RetType, a_Name, a_Args) DECLCALLBACKMEMBER(a_RetType, a_Name, a_Args)
+#else
+# define DECLRCCALLBACKMEMBER(a_RetType, a_Name, a_Args) RTRCPTR a_Name
+#endif
+#if defined(IN_RC) || defined(DOXYGEN_RUNNING)
+# define DECLRGCALLBACKMEMBER(a_RetType, a_Name, a_Args) DECLCALLBACKMEMBER(a_RetType, a_Name, a_Args)
+#else
+# define DECLRGCALLBACKMEMBER(a_RetType, a_Name, a_Args) RTRGPTR a_Name
+#endif
+
+/** @def DECLR0CALLBACKMEMBER
+ * How to declare an call back function pointer member - R0 Ptr.
+ * @param a_RetType The return type of the function declaration.
+ * @param a_Name The name of the struct/union/class member.
+ * @param a_Args The argument list enclosed in parentheses.
+ * @note DECL_NOTHROW is implied, but not supported by all compilers yet.
+ */
+#if defined(IN_RING0) || defined(DOXYGEN_RUNNING)
+# define DECLR0CALLBACKMEMBER(a_RetType, a_Name, a_Args) DECLCALLBACKMEMBER(a_RetType, a_Name, a_Args)
+#else
+# define DECLR0CALLBACKMEMBER(a_RetType, a_Name, a_Args) RTR0PTR a_Name
+#endif
+
+/** @def DECLINLINE
+ * How to declare a function as inline that does not throw any C++ exceptions.
+ * @param a_RetType The return type of the function declaration.
+ * @remarks Don't use this macro on C++ methods.
+ * @sa DECL_INLINE_THROW
+ */
+#if defined(__GNUC__) && !defined(DOXYGEN_RUNNING)
+# define DECLINLINE(a_RetType) DECL_NOTHROW(static __inline__ a_RetType)
+#elif defined(__cplusplus) || defined(DOXYGEN_RUNNING)
+# define DECLINLINE(a_RetType) DECL_NOTHROW(static inline a_RetType)
+#elif defined(_MSC_VER)
+# define DECLINLINE(a_RetType) DECL_NOTHROW(static _inline a_RetType)
+#elif defined(__IBMC__)
+# define DECLINLINE(a_RetType) DECL_NOTHROW(_Inline a_RetType)
+#else
+# define DECLINLINE(a_RetType) DECL_NOTHROW(inline a_RetType)
+#endif
+
+/** @def DECL_INLINE_THROW
+ * How to declare a function as inline that throws C++ exceptions.
+ * @param a_RetType The return type of the function declaration.
+ * @remarks Don't use this macro on C++ methods.
+ */
+#if defined(__GNUC__) && !defined(DOXYGEN_RUNNING)
+# define DECL_INLINE_THROW(a_RetType) static __inline__ a_RetType
+#elif defined(__cplusplus) || defined(DOXYGEN_RUNNING)
+# define DECL_INLINE_THROW(a_RetType) static inline a_RetType
+#elif defined(_MSC_VER)
+# define DECL_INLINE_THROW(a_RetType) static _inline a_RetType
+#elif defined(__IBMC__)
+# define DECL_INLINE_THROW(a_RetType) _Inline a_RetType
+#else
+# define DECL_INLINE_THROW(a_RetType) inline a_RetType
+#endif
+
+/** @def DECL_FORCE_INLINE
+ * How to declare a function that does not throw any C++ exceptions as inline
+ * and try convince the compiler to always inline it regardless of optimization
+ * switches.
+ * @param a_RetType The return type of the function declaration.
+ * @remarks Use sparsely and with care. Don't use this macro on C++ methods.
+ * @sa DECL_FORCE_INLINE_THROW
+ */
+#ifdef __GNUC__
+# define DECL_FORCE_INLINE(a_RetType) __attribute__((__always_inline__)) DECLINLINE(a_RetType)
+#elif defined(_MSC_VER)
+# define DECL_FORCE_INLINE(a_RetType) DECL_NOTHROW(__forceinline a_RetType)
+#else
+# define DECL_FORCE_INLINE(a_RetType) DECLINLINE(a_RetType)
+#endif
+
+/** @def DECL_FORCE_INLINE_THROW
+ * How to declare a function throwing C++ exceptions as inline and try convince
+ * the compiler to always inline it regardless of optimization switches.
+ * @param a_RetType The return type of the function declaration.
+ * @remarks Use sparsely and with care. Don't use this macro on C++ methods.
+ */
+#ifdef __GNUC__
+# define DECL_FORCE_INLINE_THROW(a_RetType) __attribute__((__always_inline__)) DECL_INLINE_THROW(a_RetType)
+#elif defined(_MSC_VER)
+# define DECL_FORCE_INLINE_THROW(a_RetType) __forceinline a_RetType
+#else
+# define DECL_FORCE_INLINE_THROW(a_RetType) DECL_INLINE_THROW(a_RetType)
+#endif
+
+
+/** @def DECL_NO_INLINE
+ * How to declare a function telling the compiler not to inline it.
+ * @param scope The function scope, static or RT_NOTHING.
+ * @param a_RetType The return type of the function declaration.
+ * @remarks Don't use this macro on C++ methods.
+ */
+#ifdef __GNUC__
+# define DECL_NO_INLINE(scope, a_RetType) __attribute__((__noinline__)) scope a_RetType
+#elif defined(_MSC_VER)
+# define DECL_NO_INLINE(scope, a_RetType) __declspec(noinline) scope a_RetType
+#else
+# define DECL_NO_INLINE(scope,a_RetType) scope a_RetType
+#endif
+
+
+/** @def IN_RT_STATIC
+ * Used to indicate whether we're linking against a static IPRT
+ * or not.
+ *
+ * The IPRT symbols will be declared as hidden (if supported). Note that this
+ * define has no effect without also setting one of the IN_RT_R0, IN_RT_R3 or
+ * IN_RT_RC indicators.
+ */
+
+/** @def IN_RT_R0
+ * Used to indicate whether we're inside the same link module as the host
+ * context ring-0 Runtime Library.
+ */
+/** @def RTR0DECL(a_RetType)
+ * Runtime Library host context ring-0 export or import declaration.
+ * @param a_RetType The return a_RetType of the function declaration.
+ * @remarks This is only used inside IPRT. Other APIs need to define their own
+ * XXXX_DECL macros for dealing with import/export/static visibility.
+ * @note DECL_NOTHROW is implied.
+ */
+#ifdef IN_RT_R0
+# ifdef IN_RT_STATIC
+# define RTR0DECL(a_RetType) DECL_HIDDEN_NOTHROW(a_RetType) RTCALL
+# else
+# define RTR0DECL(a_RetType) DECL_EXPORT_NOTHROW(a_RetType) RTCALL
+# endif
+#else
+# define RTR0DECL(a_RetType) DECL_IMPORT_NOTHROW(a_RetType) RTCALL
+#endif
+
+/** @def IN_RT_R3
+ * Used to indicate whether we're inside the same link module as the host
+ * context ring-3 Runtime Library.
+ */
+/** @def RTR3DECL(a_RetType)
+ * Runtime Library host context ring-3 export or import declaration.
+ * @param a_RetType The return type of the function declaration.
+ * @remarks This is only used inside IPRT. Other APIs need to define their own
+ * XXXX_DECL macros for dealing with import/export/static visibility.
+ * @note DECL_NOTHROW is implied.
+ */
+#ifdef IN_RT_R3
+# ifdef IN_RT_STATIC
+# define RTR3DECL(a_RetType) DECL_HIDDEN_NOTHROW(a_RetType) RTCALL
+# else
+# define RTR3DECL(a_RetType) DECL_EXPORT_NOTHROW(a_RetType) RTCALL
+# endif
+#else
+# define RTR3DECL(a_RetType) DECL_IMPORT_NOTHROW(a_RetType) RTCALL
+#endif
+
+/** @def IN_RT_RC
+ * Used to indicate whether we're inside the same link module as the raw-mode
+ * context (RC) runtime library.
+ */
+/** @def RTRCDECL(a_RetType)
+ * Runtime Library raw-mode context export or import declaration.
+ * @param a_RetType The return type of the function declaration.
+ * @remarks This is only used inside IPRT. Other APIs need to define their own
+ * XXXX_DECL macros for dealing with import/export/static visibility.
+ * @note DECL_NOTHROW is implied.
+ */
+#ifdef IN_RT_RC
+# ifdef IN_RT_STATIC
+# define RTRCDECL(a_RetType) DECL_HIDDEN_NOTHROW(a_RetType) RTCALL
+# else
+# define RTRCDECL(a_RetType) DECL_EXPORT_NOTHROW(a_RetType) RTCALL
+# endif
+#else
+# define RTRCDECL(a_RetType) DECL_IMPORT_NOTHROW(a_RetType) RTCALL
+#endif
+
+/** @def RTDECL(a_RetType)
+ * Runtime Library export or import declaration.
+ * Functions declared using this macro exists in all contexts.
+ * @param a_RetType The return type of the function declaration.
+ * @remarks This is only used inside IPRT. Other APIs need to define their own
+ * XXXX_DECL macros for dealing with import/export/static visibility.
+ * @note DECL_NOTHROW is implied.
+ */
+#if defined(IN_RT_R3) || defined(IN_RT_RC) || defined(IN_RT_R0)
+# ifdef IN_RT_STATIC
+# define RTDECL(a_RetType) DECL_HIDDEN_NOTHROW(a_RetType) RTCALL
+# else
+# define RTDECL(a_RetType) DECL_EXPORT_NOTHROW(a_RetType) RTCALL
+# endif
+#else
+# define RTDECL(a_RetType) DECL_IMPORT_NOTHROW(a_RetType) RTCALL
+#endif
+
+/** @def RTDATADECL(a_Type)
+ * Runtime Library export or import declaration.
+ * Data declared using this macro exists in all contexts.
+ * @param a_Type The data type.
+ * @remarks This is only used inside IPRT. Other APIs need to define their own
+ * XXXX_DECL macros for dealing with import/export/static visibility.
+ */
+/** @def RT_DECL_DATA_CONST(a_Type)
+ * Definition of a const variable. See DECL_HIDDEN_CONST.
+ * @param a_Type The const data type.
+ * @remarks This is only used inside IPRT. Other APIs need to define their own
+ * XXXX_DECL macros for dealing with import/export/static visibility.
+ */
+#if defined(IN_RT_R3) || defined(IN_RT_RC) || defined(IN_RT_R0)
+# ifdef IN_RT_STATIC
+# define RTDATADECL(a_Type) DECL_HIDDEN_DATA(a_Type)
+# define RT_DECL_DATA_CONST(a_Type) DECL_HIDDEN_CONST(a_Type)
+# else
+# define RTDATADECL(a_Type) DECLEXPORT(a_Type)
+# if defined(__cplusplus) && defined(__GNUC__)
+# define RT_DECL_DATA_CONST(a_Type) a_Type
+# else
+# define RT_DECL_DATA_CONST(a_Type) DECLEXPORT(a_Type)
+# endif
+# endif
+#else
+# define RTDATADECL(a_Type) DECLIMPORT(a_Type)
+# define RT_DECL_DATA_CONST(a_Type) DECLIMPORT(a_Type)
+#endif
+
+/** @def RT_DECL_CLASS
+ * Declares an class living in the runtime.
+ * @remarks This is only used inside IPRT. Other APIs need to define their own
+ * XXXX_DECL macros for dealing with import/export/static visibility.
+ */
+#if defined(IN_RT_R3) || defined(IN_RT_RC) || defined(IN_RT_R0)
+# ifdef IN_RT_STATIC
+# define RT_DECL_CLASS
+# else
+# define RT_DECL_CLASS DECLEXPORT_CLASS
+# endif
+#else
+# define RT_DECL_CLASS DECLIMPORT_CLASS
+#endif
+
+
+/** @def RT_NOCRT
+ * Symbol name wrapper for the No-CRT bits.
+ *
+ * In order to coexist in the same process as other CRTs, we need to
+ * decorate the symbols such that they don't conflict the ones in the
+ * other CRTs. The result of such conflicts / duplicate symbols can
+ * confuse the dynamic loader on Unix like systems.
+ *
+ * Define RT_WITHOUT_NOCRT_WRAPPERS to drop the wrapping.
+ * Define RT_WITHOUT_NOCRT_WRAPPER_ALIASES to drop the aliases to the
+ * wrapped names.
+ */
+/** @def RT_NOCRT_STR
+ * Same as RT_NOCRT only it'll return a double quoted string of the result.
+ */
+#if !defined(RT_WITHOUT_NOCRT_WRAPPERS) || defined(RT_FORCE_NOCRT_WRAPPERS)
+# define RT_NOCRT(name) nocrt_ ## name
+# define RT_NOCRT_STR(name) "nocrt_" # name
+#else
+# define RT_NOCRT(name) name
+# define RT_NOCRT_STR(name) #name
+#endif
+
+
+/** @name Untrusted data classifications.
+ * @{ */
+/** @def RT_UNTRUSTED_USER
+ * For marking non-volatile (race free) data from user mode as untrusted.
+ * This is just for visible documentation. */
+#define RT_UNTRUSTED_USER
+/** @def RT_UNTRUSTED_VOLATILE_USER
+ * For marking volatile data shared with user mode as untrusted.
+ * This is more than just documentation as it specifies the 'volatile' keyword,
+ * because the guest could modify the data at any time. */
+#define RT_UNTRUSTED_VOLATILE_USER volatile
+
+/** @def RT_UNTRUSTED_GUEST
+ * For marking non-volatile (race free) data from the guest as untrusted.
+ * This is just for visible documentation. */
+#define RT_UNTRUSTED_GUEST
+/** @def RT_UNTRUSTED_VOLATILE_GUEST
+ * For marking volatile data shared with the guest as untrusted.
+ * This is more than just documentation as it specifies the 'volatile' keyword,
+ * because the guest could modify the data at any time. */
+#define RT_UNTRUSTED_VOLATILE_GUEST volatile
+
+/** @def RT_UNTRUSTED_HOST
+ * For marking non-volatile (race free) data from the host as untrusted.
+ * This is just for visible documentation. */
+#define RT_UNTRUSTED_HOST
+/** @def RT_UNTRUSTED_VOLATILE_HOST
+ * For marking volatile data shared with the host as untrusted.
+ * This is more than just documentation as it specifies the 'volatile' keyword,
+ * because the host could modify the data at any time. */
+#define RT_UNTRUSTED_VOLATILE_HOST volatile
+
+/** @def RT_UNTRUSTED_HSTGST
+ * For marking non-volatile (race free) data from the host/gust as untrusted.
+ * This is just for visible documentation. */
+#define RT_UNTRUSTED_HSTGST
+/** @def RT_UNTRUSTED_VOLATILE_HSTGST
+ * For marking volatile data shared with the host/guest as untrusted.
+ * This is more than just documentation as it specifies the 'volatile' keyword,
+ * because the host could modify the data at any time. */
+#define RT_UNTRUSTED_VOLATILE_HSTGST volatile
+/** @} */
+
+/** @name Fences for use when handling untrusted data.
+ * @{ */
+/** For use after copying untruated volatile data to a non-volatile location.
+ * This translates to a compiler memory barrier and will help ensure that the
+ * compiler uses the non-volatile copy of the data. */
+#define RT_UNTRUSTED_NONVOLATILE_COPY_FENCE() ASMCompilerBarrier()
+/** For use after finished validating guest input.
+ * What this translates to is architecture dependent. On intel it will
+ * translate to a CPU load+store fence as well as a compiler memory barrier. */
+#if defined(RT_ARCH_AMD64) || (defined(RT_ARCH_X86) && !defined(RT_WITH_OLD_CPU_SUPPORT))
+# define RT_UNTRUSTED_VALIDATED_FENCE() do { ASMCompilerBarrier(); ASMReadFence(); } while (0)
+#elif defined(RT_ARCH_X86)
+# define RT_UNTRUSTED_VALIDATED_FENCE() do { ASMCompilerBarrier(); ASMMemoryFence(); } while (0)
+#else
+# define RT_UNTRUSTED_VALIDATED_FENCE() do { ASMCompilerBarrier(); } while (0)
+#endif
+/** @} */
+
+
+/** @def RT_LIKELY
+ * Give the compiler a hint that an expression is very likely to hold true.
+ *
+ * Some compilers support explicit branch prediction so that the CPU backend
+ * can hint the processor and also so that code blocks can be reordered such
+ * that the predicted path sees a more linear flow, thus improving cache
+ * behaviour, etc.
+ *
+ * IPRT provides the macros RT_LIKELY() and RT_UNLIKELY() as a way to utilize
+ * this compiler feature when present.
+ *
+ * A few notes about the usage:
+ *
+ * - Generally, order your code use RT_LIKELY() instead of RT_UNLIKELY().
+ *
+ * - Generally, use RT_UNLIKELY() with error condition checks (unless you
+ * have some _strong_ reason to do otherwise, in which case document it),
+ * and/or RT_LIKELY() with success condition checks, assuming you want
+ * to optimize for the success path.
+ *
+ * - Other than that, if you don't know the likelihood of a test succeeding
+ * from empirical or other 'hard' evidence, don't make predictions unless
+ * you happen to be a Dirk Gently character.
+ *
+ * - These macros are meant to be used in places that get executed a lot. It
+ * is wasteful to make predictions in code that is executed rarely (e.g.
+ * at subsystem initialization time) as the basic block reordering that this
+ * affects can often generate larger code.
+ *
+ * - Note that RT_SUCCESS() and RT_FAILURE() already makes use of RT_LIKELY()
+ * and RT_UNLIKELY(). Should you wish for prediction free status checks,
+ * use the RT_SUCCESS_NP() and RT_FAILURE_NP() macros instead.
+ *
+ *
+ * @returns the boolean result of the expression.
+ * @param expr The expression that's very likely to be true.
+ * @see RT_UNLIKELY
+ */
+/** @def RT_UNLIKELY
+ * Give the compiler a hint that an expression is highly unlikely to hold true.
+ *
+ * See the usage instructions give in the RT_LIKELY() docs.
+ *
+ * @returns the boolean result of the expression.
+ * @param expr The expression that's very unlikely to be true.
+ * @see RT_LIKELY
+ *
+ * @deprecated Please use RT_LIKELY() instead wherever possible! That gives us
+ * a better chance of the windows compilers to generate favorable code
+ * too. The belief is that the compiler will by default assume the
+ * if-case is more likely than the else-case.
+ */
+#if defined(__GNUC__)
+# if __GNUC__ >= 3 && !defined(FORTIFY_RUNNING)
+# define RT_LIKELY(expr) __builtin_expect(!!(expr), 1)
+# define RT_UNLIKELY(expr) __builtin_expect(!!(expr), 0)
+# else
+# define RT_LIKELY(expr) (expr)
+# define RT_UNLIKELY(expr) (expr)
+# endif
+#else
+# define RT_LIKELY(expr) (expr)
+# define RT_UNLIKELY(expr) (expr)
+#endif
+
+/** @def RT_EXPAND_2
+ * Helper for RT_EXPAND. */
+#define RT_EXPAND_2(a_Expr) a_Expr
+/** @def RT_EXPAND
+ * Returns the expanded expression.
+ * @param a_Expr The expression to expand. */
+#define RT_EXPAND(a_Expr) RT_EXPAND_2(a_Expr)
+
+/** @def RT_STR
+ * Returns the argument as a string constant.
+ * @param str Argument to stringify. */
+#define RT_STR(str) #str
+/** @def RT_XSTR
+ * Returns the expanded argument as a string.
+ * @param str Argument to expand and stringify. */
+#define RT_XSTR(str) RT_STR(str)
+
+/** @def RT_LSTR_2
+ * Helper for RT_WSTR that gets the expanded @a str.
+ * @param str String litteral to prefix with 'L'. */
+#define RT_LSTR_2(str) L##str
+/** @def RT_LSTR
+ * Returns the expanded argument with a L string prefix.
+ *
+ * Intended for converting ASCII string \#defines into wide char string
+ * litterals on Windows.
+ *
+ * @param str String litteral to . */
+#define RT_LSTR(str) RT_LSTR_2(str)
+
+/** @def RT_UNPACK_CALL
+ * Unpacks the an argument list inside an extra set of parenthesis and turns it
+ * into a call to @a a_Fn.
+ *
+ * @param a_Fn Function/macro to call.
+ * @param a_Args Parameter list in parenthesis.
+ */
+#define RT_UNPACK_CALL(a_Fn, a_Args) a_Fn a_Args
+
+#if defined(RT_COMPILER_SUPPORTS_VA_ARGS) || defined(DOXYGEN_RUNNING)
+
+/** @def RT_UNPACK_ARGS
+ * Returns the arguments without parenthesis.
+ *
+ * @param ... Parameter list in parenthesis.
+ * @remarks Requires RT_COMPILER_SUPPORTS_VA_ARGS.
+ */
+# define RT_UNPACK_ARGS(...) __VA_ARGS__
+
+/** @def RT_COUNT_VA_ARGS_HLP
+ * Helper for RT_COUNT_VA_ARGS that picks out the argument count from
+ * RT_COUNT_VA_ARGS_REV_SEQ. */
+# define RT_COUNT_VA_ARGS_HLP( \
+ c69, c68, c67, c66, c65, c64, c63, c62, c61, c60, \
+ c59, c58, c57, c56, c55, c54, c53, c52, c51, c50, \
+ c49, c48, c47, c46, c45, c44, c43, c42, c41, c40, \
+ c39, c38, c37, c36, c35, c34, c33, c32, c31, c30, \
+ c29, c28, c27, c26, c25, c24, c23, c22, c21, c20, \
+ c19, c18, c17, c16, c15, c14, c13, c12, c11, c10, \
+ c9, c8, c7, c6, c5, c4, c3, c2, c1, cArgs, ...) cArgs
+/** Argument count sequence. */
+# define RT_COUNT_VA_ARGS_REV_SEQ \
+ 69, 68, 67, 66, 65, 64, 63, 62, 61, 60, \
+ 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, \
+ 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, \
+ 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, \
+ 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, \
+ 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, \
+ 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
+/** This is for zero arguments. At least Visual C++ requires it. */
+# define RT_COUNT_VA_ARGS_PREFIX_RT_NOTHING RT_COUNT_VA_ARGS_REV_SEQ
+/**
+ * Counts the number of arguments given to the variadic macro.
+ *
+ * Max is 69.
+ *
+ * @returns Number of arguments in the ellipsis
+ * @param ... Arguments to count.
+ * @remarks Requires RT_COMPILER_SUPPORTS_VA_ARGS.
+ */
+# define RT_COUNT_VA_ARGS(...) \
+ RT_UNPACK_CALL(RT_COUNT_VA_ARGS_HLP, (RT_COUNT_VA_ARGS_PREFIX_ ## __VA_ARGS__ ## RT_NOTHING, \
+ RT_COUNT_VA_ARGS_REV_SEQ))
+
+#endif /* RT_COMPILER_SUPPORTS_VA_ARGS */
+
+
+/** @def RT_CONCAT
+ * Concatenate the expanded arguments without any extra spaces in between.
+ *
+ * @param a The first part.
+ * @param b The second part.
+ */
+#define RT_CONCAT(a,b) RT_CONCAT_HLP(a,b)
+/** RT_CONCAT helper, don't use. */
+#define RT_CONCAT_HLP(a,b) a##b
+
+/** @def RT_CONCAT3
+ * Concatenate the expanded arguments without any extra spaces in between.
+ *
+ * @param a The 1st part.
+ * @param b The 2nd part.
+ * @param c The 3rd part.
+ */
+#define RT_CONCAT3(a,b,c) RT_CONCAT3_HLP(a,b,c)
+/** RT_CONCAT3 helper, don't use. */
+#define RT_CONCAT3_HLP(a,b,c) a##b##c
+
+/** @def RT_CONCAT4
+ * Concatenate the expanded arguments without any extra spaces in between.
+ *
+ * @param a The 1st part.
+ * @param b The 2nd part.
+ * @param c The 3rd part.
+ * @param d The 4th part.
+ */
+#define RT_CONCAT4(a,b,c,d) RT_CONCAT4_HLP(a,b,c,d)
+/** RT_CONCAT4 helper, don't use. */
+#define RT_CONCAT4_HLP(a,b,c,d) a##b##c##d
+
+/** @def RT_CONCAT5
+ * Concatenate the expanded arguments without any extra spaces in between.
+ *
+ * @param a The 1st part.
+ * @param b The 2nd part.
+ * @param c The 3rd part.
+ * @param d The 4th part.
+ * @param e The 5th part.
+ */
+#define RT_CONCAT5(a,b,c,d,e) RT_CONCAT5_HLP(a,b,c,d,e)
+/** RT_CONCAT5 helper, don't use. */
+#define RT_CONCAT5_HLP(a,b,c,d,e) a##b##c##d##e
+
+/** @def RT_CONCAT6
+ * Concatenate the expanded arguments without any extra spaces in between.
+ *
+ * @param a The 1st part.
+ * @param b The 2nd part.
+ * @param c The 3rd part.
+ * @param d The 4th part.
+ * @param e The 5th part.
+ * @param f The 6th part.
+ */
+#define RT_CONCAT6(a,b,c,d,e,f) RT_CONCAT6_HLP(a,b,c,d,e,f)
+/** RT_CONCAT6 helper, don't use. */
+#define RT_CONCAT6_HLP(a,b,c,d,e,f) a##b##c##d##e##f
+
+/** @def RT_CONCAT7
+ * Concatenate the expanded arguments without any extra spaces in between.
+ *
+ * @param a The 1st part.
+ * @param b The 2nd part.
+ * @param c The 3rd part.
+ * @param d The 4th part.
+ * @param e The 5th part.
+ * @param f The 6th part.
+ * @param g The 7th part.
+ */
+#define RT_CONCAT7(a,b,c,d,e,f,g) RT_CONCAT7_HLP(a,b,c,d,e,f,g)
+/** RT_CONCAT7 helper, don't use. */
+#define RT_CONCAT7_HLP(a,b,c,d,e,f,g) a##b##c##d##e##f##g
+
+/** @def RT_CONCAT8
+ * Concatenate the expanded arguments without any extra spaces in between.
+ *
+ * @param a The 1st part.
+ * @param b The 2nd part.
+ * @param c The 3rd part.
+ * @param d The 4th part.
+ * @param e The 5th part.
+ * @param f The 6th part.
+ * @param g The 7th part.
+ * @param h The 8th part.
+ */
+#define RT_CONCAT8(a,b,c,d,e,f,g,h) RT_CONCAT8_HLP(a,b,c,d,e,f,g,h)
+/** RT_CONCAT8 helper, don't use. */
+#define RT_CONCAT8_HLP(a,b,c,d,e,f,g,h) a##b##c##d##e##f##g##h
+
+/** @def RT_CONCAT9
+ * Concatenate the expanded arguments without any extra spaces in between.
+ *
+ * @param a The 1st part.
+ * @param b The 2nd part.
+ * @param c The 3rd part.
+ * @param d The 4th part.
+ * @param e The 5th part.
+ * @param f The 6th part.
+ * @param g The 7th part.
+ * @param h The 8th part.
+ * @param i The 9th part.
+ */
+#define RT_CONCAT9(a,b,c,d,e,f,g,h,i) RT_CONCAT9_HLP(a,b,c,d,e,f,g,h,i)
+/** RT_CONCAT9 helper, don't use. */
+#define RT_CONCAT9_HLP(a,b,c,d,e,f,g,h,i) a##b##c##d##e##f##g##h##i
+
+/**
+ * String constant tuple - string constant, strlen(string constant).
+ *
+ * @param a_szConst String constant.
+ * @sa RTSTRTUPLE
+ */
+#define RT_STR_TUPLE(a_szConst) a_szConst, (sizeof(a_szConst) - 1)
+
+
+/**
+ * Macro for using in switch statements that turns constants into strings.
+ *
+ * @param a_Const The constant (not string).
+ */
+#define RT_CASE_RET_STR(a_Const) case a_Const: return #a_Const
+
+
+/** @def RT_BIT
+ * Convert a bit number into an integer bitmask (unsigned).
+ * @param bit The bit number.
+ */
+#define RT_BIT(bit) ( 1U << (bit) )
+
+/** @def RT_BIT_32
+ * Convert a bit number into a 32-bit bitmask (unsigned).
+ * @param bit The bit number.
+ */
+#define RT_BIT_32(bit) ( UINT32_C(1) << (bit) )
+
+/** @def RT_BIT_64
+ * Convert a bit number into a 64-bit bitmask (unsigned).
+ * @param bit The bit number.
+ */
+#define RT_BIT_64(bit) ( UINT64_C(1) << (bit) )
+
+/** @def RT_BIT_Z
+ * Convert a bit number into a size_t bitmask (for avoid MSC warnings).
+ * @param a_iBit The bit number.
+ */
+#define RT_BIT_Z(a_iBit) ( (size_t)(1) << (a_iBit) )
+
+
+/** @def RT_BF_GET
+ * Gets the value of a bit field in an integer value.
+ *
+ * This requires a couple of macros to be defined for the field:
+ * - \<a_FieldNm\>_SHIFT: The shift count to get to the field.
+ * - \<a_FieldNm\>_MASK: The field mask.
+ *
+ * @returns The bit field value.
+ * @param a_uValue The integer value containing the field.
+ * @param a_FieldNm The field name prefix for getting at the _SHIFT and
+ * _MASK macros.
+ * @sa #RT_BF_CLEAR, #RT_BF_SET, #RT_BF_MAKE, #RT_BF_ZMASK
+ */
+#define RT_BF_GET(a_uValue, a_FieldNm) ( ((a_uValue) >> RT_CONCAT(a_FieldNm,_SHIFT)) & RT_BF_ZMASK(a_FieldNm) )
+
+/** @def RT_BF_SET
+ * Sets the given bit field in the integer value.
+ *
+ * This requires a couple of macros to be defined for the field:
+ * - \<a_FieldNm\>_SHIFT: The shift count to get to the field.
+ * - \<a_FieldNm\>_MASK: The field mask. Must have the same type as the
+ * integer value!!
+ *
+ * @returns Integer value with bit field set to @a a_uFieldValue.
+ * @param a_uValue The integer value containing the field.
+ * @param a_FieldNm The field name prefix for getting at the _SHIFT and
+ * _MASK macros.
+ * @param a_uFieldValue The new field value.
+ * @sa #RT_BF_GET, #RT_BF_CLEAR, #RT_BF_MAKE, #RT_BF_ZMASK
+ */
+#define RT_BF_SET(a_uValue, a_FieldNm, a_uFieldValue) ( RT_BF_CLEAR(a_uValue, a_FieldNm) | RT_BF_MAKE(a_FieldNm, a_uFieldValue) )
+
+/** @def RT_BF_CLEAR
+ * Clears the given bit field in the integer value.
+ *
+ * This requires a couple of macros to be defined for the field:
+ * - \<a_FieldNm\>_SHIFT: The shift count to get to the field.
+ * - \<a_FieldNm\>_MASK: The field mask. Must have the same type as the
+ * integer value!!
+ *
+ * @returns Integer value with bit field set to zero.
+ * @param a_uValue The integer value containing the field.
+ * @param a_FieldNm The field name prefix for getting at the _SHIFT and
+ * _MASK macros.
+ * @sa #RT_BF_GET, #RT_BF_SET, #RT_BF_MAKE, #RT_BF_ZMASK
+ */
+#define RT_BF_CLEAR(a_uValue, a_FieldNm) ( (a_uValue) & ~RT_CONCAT(a_FieldNm,_MASK) )
+
+/** @def RT_BF_MAKE
+ * Shifts and masks a bit field value into position in the integer value.
+ *
+ * This requires a couple of macros to be defined for the field:
+ * - \<a_FieldNm\>_SHIFT: The shift count to get to the field.
+ * - \<a_FieldNm\>_MASK: The field mask.
+ *
+ * @param a_FieldNm The field name prefix for getting at the _SHIFT and
+ * _MASK macros.
+ * @param a_uFieldValue The field value that should be masked and shifted
+ * into position.
+ * @sa #RT_BF_GET, #RT_BF_SET, #RT_BF_CLEAR, #RT_BF_ZMASK
+ */
+#define RT_BF_MAKE(a_FieldNm, a_uFieldValue) ( ((a_uFieldValue) & RT_BF_ZMASK(a_FieldNm) ) << RT_CONCAT(a_FieldNm,_SHIFT) )
+
+/** @def RT_BF_ZMASK
+ * Helper for getting the field mask shifted to bit position zero.
+ *
+ * @param a_FieldNm The field name prefix for getting at the _SHIFT and
+ * _MASK macros.
+ * @sa #RT_BF_GET, #RT_BF_SET, #RT_BF_CLEAR, #RT_BF_MAKE
+ */
+#define RT_BF_ZMASK(a_FieldNm) ( RT_CONCAT(a_FieldNm,_MASK) >> RT_CONCAT(a_FieldNm,_SHIFT) )
+
+/** Bit field compile time check helper
+ * @internal */
+#define RT_BF_CHECK_DO_XOR_MASK(a_uLeft, a_RightPrefix, a_FieldNm) ((a_uLeft) ^ RT_CONCAT3(a_RightPrefix, a_FieldNm, _MASK))
+/** Bit field compile time check helper
+ * @internal */
+#define RT_BF_CHECK_DO_OR_MASK(a_uLeft, a_RightPrefix, a_FieldNm) ((a_uLeft) | RT_CONCAT3(a_RightPrefix, a_FieldNm, _MASK))
+/** Bit field compile time check helper
+ * @internal */
+#define RT_BF_CHECK_DO_1ST_MASK_BIT(a_uLeft, a_RightPrefix, a_FieldNm) \
+ ((a_uLeft) && ( (RT_CONCAT3(a_RightPrefix, a_FieldNm, _MASK) >> RT_CONCAT3(a_RightPrefix, a_FieldNm, _SHIFT)) & 1U ) )
+/** Used to check that a bit field mask does not start too early.
+ * @internal */
+#define RT_BF_CHECK_DO_MASK_START(a_uLeft, a_RightPrefix, a_FieldNm) \
+ ( (a_uLeft) \
+ && ( RT_CONCAT3(a_RightPrefix, a_FieldNm, _SHIFT) == 0 \
+ || ( ( ( ((RT_CONCAT3(a_RightPrefix, a_FieldNm, _MASK) >> RT_CONCAT3(a_RightPrefix, a_FieldNm, _SHIFT)) & 1U) \
+ << RT_CONCAT3(a_RightPrefix, a_FieldNm, _SHIFT)) /* => single bit mask, correct type */ \
+ - 1U) /* => mask of all bits below the field */ \
+ & RT_CONCAT3(a_RightPrefix, a_FieldNm, _MASK)) == 0 ) )
+/** @name Bit field compile time check recursion workers.
+ * @internal
+ * @{ */
+#define RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix, f1) \
+ a_DoThis(a_uLeft, a_RightPrefix, f1)
+#define RT_BF_CHECK_DO_2(a_DoThis, a_uLeft, a_RightPrefix, f1, f2) \
+ RT_BF_CHECK_DO_1(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2)
+#define RT_BF_CHECK_DO_3(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3) \
+ RT_BF_CHECK_DO_2(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3)
+#define RT_BF_CHECK_DO_4(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4) \
+ RT_BF_CHECK_DO_3(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4)
+#define RT_BF_CHECK_DO_5(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5) \
+ RT_BF_CHECK_DO_4(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5)
+#define RT_BF_CHECK_DO_6(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6) \
+ RT_BF_CHECK_DO_5(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6)
+#define RT_BF_CHECK_DO_7(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7) \
+ RT_BF_CHECK_DO_6(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7)
+#define RT_BF_CHECK_DO_8(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8) \
+ RT_BF_CHECK_DO_7(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8)
+#define RT_BF_CHECK_DO_9(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9) \
+ RT_BF_CHECK_DO_8(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9)
+#define RT_BF_CHECK_DO_10(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10) \
+ RT_BF_CHECK_DO_9(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10)
+#define RT_BF_CHECK_DO_11(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11) \
+ RT_BF_CHECK_DO_10(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11)
+#define RT_BF_CHECK_DO_12(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12) \
+ RT_BF_CHECK_DO_11(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12)
+#define RT_BF_CHECK_DO_13(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13) \
+ RT_BF_CHECK_DO_12(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13)
+#define RT_BF_CHECK_DO_14(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14) \
+ RT_BF_CHECK_DO_13(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14)
+#define RT_BF_CHECK_DO_15(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15) \
+ RT_BF_CHECK_DO_14(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15)
+#define RT_BF_CHECK_DO_16(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16) \
+ RT_BF_CHECK_DO_15(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16)
+#define RT_BF_CHECK_DO_17(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17) \
+ RT_BF_CHECK_DO_16(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17)
+#define RT_BF_CHECK_DO_18(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18) \
+ RT_BF_CHECK_DO_17(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18)
+#define RT_BF_CHECK_DO_19(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19) \
+ RT_BF_CHECK_DO_18(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19)
+#define RT_BF_CHECK_DO_20(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20) \
+ RT_BF_CHECK_DO_19(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20)
+#define RT_BF_CHECK_DO_21(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21) \
+ RT_BF_CHECK_DO_20(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21)
+#define RT_BF_CHECK_DO_22(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22) \
+ RT_BF_CHECK_DO_21(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22)
+#define RT_BF_CHECK_DO_23(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23) \
+ RT_BF_CHECK_DO_22(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23)
+#define RT_BF_CHECK_DO_24(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24) \
+ RT_BF_CHECK_DO_23(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24)
+#define RT_BF_CHECK_DO_25(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25) \
+ RT_BF_CHECK_DO_24(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25)
+#define RT_BF_CHECK_DO_26(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26) \
+ RT_BF_CHECK_DO_25(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26)
+#define RT_BF_CHECK_DO_27(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27) \
+ RT_BF_CHECK_DO_26(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27)
+#define RT_BF_CHECK_DO_28(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28) \
+ RT_BF_CHECK_DO_27(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28)
+#define RT_BF_CHECK_DO_29(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29) \
+ RT_BF_CHECK_DO_28(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29)
+#define RT_BF_CHECK_DO_30(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30) \
+ RT_BF_CHECK_DO_29(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30)
+#define RT_BF_CHECK_DO_31(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31) \
+ RT_BF_CHECK_DO_30(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31)
+#define RT_BF_CHECK_DO_32(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32) \
+ RT_BF_CHECK_DO_31(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32)
+#define RT_BF_CHECK_DO_33(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33) \
+ RT_BF_CHECK_DO_32(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33)
+#define RT_BF_CHECK_DO_34(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34) \
+ RT_BF_CHECK_DO_33(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34)
+#define RT_BF_CHECK_DO_35(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35) \
+ RT_BF_CHECK_DO_34(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35)
+#define RT_BF_CHECK_DO_36(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36) \
+ RT_BF_CHECK_DO_35(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36)
+#define RT_BF_CHECK_DO_37(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37) \
+ RT_BF_CHECK_DO_36(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37)
+#define RT_BF_CHECK_DO_38(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38) \
+ RT_BF_CHECK_DO_37(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38)
+#define RT_BF_CHECK_DO_39(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39) \
+ RT_BF_CHECK_DO_38(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39)
+#define RT_BF_CHECK_DO_40(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40) \
+ RT_BF_CHECK_DO_39(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40)
+#define RT_BF_CHECK_DO_41(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41) \
+ RT_BF_CHECK_DO_40(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41)
+#define RT_BF_CHECK_DO_42(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42) \
+ RT_BF_CHECK_DO_41(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42)
+#define RT_BF_CHECK_DO_43(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43) \
+ RT_BF_CHECK_DO_42(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43)
+#define RT_BF_CHECK_DO_44(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44) \
+ RT_BF_CHECK_DO_43(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44)
+#define RT_BF_CHECK_DO_45(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45) \
+ RT_BF_CHECK_DO_44(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45)
+#define RT_BF_CHECK_DO_46(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46) \
+ RT_BF_CHECK_DO_45(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46)
+#define RT_BF_CHECK_DO_47(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47) \
+ RT_BF_CHECK_DO_46(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47)
+#define RT_BF_CHECK_DO_48(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48) \
+ RT_BF_CHECK_DO_47(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48)
+#define RT_BF_CHECK_DO_49(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49) \
+ RT_BF_CHECK_DO_48(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49)
+#define RT_BF_CHECK_DO_50(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50) \
+ RT_BF_CHECK_DO_49(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50)
+#define RT_BF_CHECK_DO_51(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51) \
+ RT_BF_CHECK_DO_40(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51)
+#define RT_BF_CHECK_DO_52(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52) \
+ RT_BF_CHECK_DO_51(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52)
+#define RT_BF_CHECK_DO_53(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53) \
+ RT_BF_CHECK_DO_52(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53)
+#define RT_BF_CHECK_DO_54(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54) \
+ RT_BF_CHECK_DO_53(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54)
+#define RT_BF_CHECK_DO_55(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55) \
+ RT_BF_CHECK_DO_54(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55)
+#define RT_BF_CHECK_DO_56(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56) \
+ RT_BF_CHECK_DO_55(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56)
+#define RT_BF_CHECK_DO_57(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57) \
+ RT_BF_CHECK_DO_56(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57)
+#define RT_BF_CHECK_DO_58(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58) \
+ RT_BF_CHECK_DO_57(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58)
+#define RT_BF_CHECK_DO_59(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59) \
+ RT_BF_CHECK_DO_58(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59)
+#define RT_BF_CHECK_DO_60(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59, f60) \
+ RT_BF_CHECK_DO_59(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59, f60)
+#define RT_BF_CHECK_DO_61(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59, f60, f61) \
+ RT_BF_CHECK_DO_60(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59, f60, f61)
+#define RT_BF_CHECK_DO_62(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59, f60, f61, f62) \
+ RT_BF_CHECK_DO_61(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59, f60, f61, f62)
+#define RT_BF_CHECK_DO_63(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59, f60, f61, f62, f63) \
+ RT_BF_CHECK_DO_62(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59, f60, f61, f62, f63)
+#define RT_BF_CHECK_DO_64(a_DoThis, a_uLeft, a_RightPrefix, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59, f60, f61, f62, f63, f64) \
+ RT_BF_CHECK_DO_63(a_DoThis, RT_BF_CHECK_DO_1(a_DoThis, a_uLeft, a_RightPrefix,f1), a_RightPrefix, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12, f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24, f25, f26, f27, f28, f29, f30, f31, f32, f33, f34, f35, f36, f37, f38, f39, f40, f41, f42, f43, f44, f45, f46, f47, f48, f49, f50, f51, f52, f53, f54, f55, f56, f57, f58, f59, f60, f61, f62, f63, f64)
+/** @} */
+
+/** @def RT_BF_ASSERT_COMPILE_CHECKS
+ * Emits a series of AssertCompile statements checking that the bit-field
+ * declarations doesn't overlap, has holes, and generally makes some sense.
+ *
+ * This requires variadic macros because its too much to type otherwise.
+ */
+#if defined(RT_COMPILER_SUPPORTS_VA_ARGS) || defined(DOXYGEN_RUNNING)
+# define RT_BF_ASSERT_COMPILE_CHECKS(a_Prefix, a_uZero, a_uCovered, a_Fields) \
+ AssertCompile(RT_BF_CHECK_DO_N(RT_BF_CHECK_DO_OR_MASK, a_uZero, a_Prefix, RT_UNPACK_ARGS a_Fields ) == a_uCovered); \
+ AssertCompile(RT_BF_CHECK_DO_N(RT_BF_CHECK_DO_XOR_MASK, a_uCovered, a_Prefix, RT_UNPACK_ARGS a_Fields ) == 0); \
+ AssertCompile(RT_BF_CHECK_DO_N(RT_BF_CHECK_DO_1ST_MASK_BIT, true, a_Prefix, RT_UNPACK_ARGS a_Fields ) == true); \
+ AssertCompile(RT_BF_CHECK_DO_N(RT_BF_CHECK_DO_MASK_START, true, a_Prefix, RT_UNPACK_ARGS a_Fields ) == true)
+/** Bit field compile time check helper
+ * @internal */
+# define RT_BF_CHECK_DO_N(a_DoThis, a_uLeft, a_RightPrefix, ...) \
+ RT_UNPACK_CALL(RT_CONCAT(RT_BF_CHECK_DO_, RT_EXPAND(RT_COUNT_VA_ARGS(__VA_ARGS__))), (a_DoThis, a_uLeft, a_RightPrefix, __VA_ARGS__))
+#else
+# define RT_BF_ASSERT_COMPILE_CHECKS(a_Prefix, a_uZero, a_uCovered, a_Fields) AssertCompile(true)
+#endif
+
+
+/** @def RT_ALIGN
+ * Align macro.
+ * @param u Value to align.
+ * @param uAlignment The alignment. Power of two!
+ *
+ * @remark Be extremely careful when using this macro with type which sizeof != sizeof int.
+ * When possible use any of the other RT_ALIGN_* macros. And when that's not
+ * possible, make 101% sure that uAlignment is specified with a right sized type.
+ *
+ * Specifying an unsigned 32-bit alignment constant with a 64-bit value will give
+ * you a 32-bit return value!
+ *
+ * In short: Don't use this macro. Use RT_ALIGN_T() instead.
+ */
+#define RT_ALIGN(u, uAlignment) ( ((u) + ((uAlignment) - 1)) & ~((uAlignment) - 1) )
+
+/** @def RT_ALIGN_T
+ * Align macro.
+ * @param u Value to align.
+ * @param uAlignment The alignment. Power of two!
+ * @param type Integer type to use while aligning.
+ * @remark This macro is the preferred alignment macro, it doesn't have any of the pitfalls RT_ALIGN has.
+ */
+#define RT_ALIGN_T(u, uAlignment, type) ( ((type)(u) + ((uAlignment) - 1)) & ~(type)((uAlignment) - 1) )
+
+/** @def RT_ALIGN_32
+ * Align macro for a 32-bit value.
+ * @param u32 Value to align.
+ * @param uAlignment The alignment. Power of two!
+ */
+#define RT_ALIGN_32(u32, uAlignment) RT_ALIGN_T(u32, uAlignment, uint32_t)
+
+/** @def RT_ALIGN_64
+ * Align macro for a 64-bit value.
+ * @param u64 Value to align.
+ * @param uAlignment The alignment. Power of two!
+ */
+#define RT_ALIGN_64(u64, uAlignment) RT_ALIGN_T(u64, uAlignment, uint64_t)
+
+/** @def RT_ALIGN_Z
+ * Align macro for size_t.
+ * @param cb Value to align.
+ * @param uAlignment The alignment. Power of two!
+ */
+#define RT_ALIGN_Z(cb, uAlignment) RT_ALIGN_T(cb, uAlignment, size_t)
+
+/** @def RT_ALIGN_P
+ * Align macro for pointers.
+ * @param pv Value to align.
+ * @param uAlignment The alignment. Power of two!
+ */
+#define RT_ALIGN_P(pv, uAlignment) RT_ALIGN_PT(pv, uAlignment, void *)
+
+/** @def RT_ALIGN_PT
+ * Align macro for pointers with type cast.
+ * @param u Value to align.
+ * @param uAlignment The alignment. Power of two!
+ * @param CastType The type to cast the result to.
+ */
+#define RT_ALIGN_PT(u, uAlignment, CastType) ( (CastType)RT_ALIGN_T(u, uAlignment, uintptr_t) )
+
+/** @def RT_ALIGN_R3PT
+ * Align macro for ring-3 pointers with type cast.
+ * @param u Value to align.
+ * @param uAlignment The alignment. Power of two!
+ * @param CastType The type to cast the result to.
+ */
+#define RT_ALIGN_R3PT(u, uAlignment, CastType) ( (CastType)RT_ALIGN_T(u, uAlignment, RTR3UINTPTR) )
+
+/** @def RT_ALIGN_R0PT
+ * Align macro for ring-0 pointers with type cast.
+ * @param u Value to align.
+ * @param uAlignment The alignment. Power of two!
+ * @param CastType The type to cast the result to.
+ */
+#define RT_ALIGN_R0PT(u, uAlignment, CastType) ( (CastType)RT_ALIGN_T(u, uAlignment, RTR0UINTPTR) )
+
+/** @def RT_ALIGN_GCPT
+ * Align macro for GC pointers with type cast.
+ * @param u Value to align.
+ * @param uAlignment The alignment. Power of two!
+ * @param CastType The type to cast the result to.
+ */
+#define RT_ALIGN_GCPT(u, uAlignment, CastType) ( (CastType)RT_ALIGN_T(u, uAlignment, RTGCUINTPTR) )
+
+
+/** @def RT_OFFSETOF
+ * Our own special offsetof() variant, returns a signed result.
+ *
+ * @returns offset into the structure of the specified member. signed.
+ * @param type Structure type.
+ * @param member Member.
+ *
+ * @remarks Only use this for static offset calculations. Please
+ * use RT_UOFFSETOF_DYN for dynamic ones (i.e. involves
+ * non-constant array indexing).
+ *
+ */
+#if RT_GNUC_PREREQ(4, 0)
+# define RT_OFFSETOF(type, member) ( (int)__builtin_offsetof(type, member) )
+#else
+# define RT_OFFSETOF(type, member) ( (int)(intptr_t)&( ((type *)(void *)0)->member) )
+#endif
+
+/** @def RT_UOFFSETOF
+ * Our own offsetof() variant, returns an unsigned result.
+ *
+ * @returns offset into the structure of the specified member. unsigned.
+ * @param type Structure type.
+ * @param member Member.
+ *
+ * @remarks Only use this for static offset calculations. Please
+ * use RT_UOFFSETOF_DYN for dynamic ones (i.e. involves
+ * non-constant array indexing).
+ */
+#if RT_GNUC_PREREQ(4, 0)
+# define RT_UOFFSETOF(type, member) ( (uintptr_t)__builtin_offsetof(type, member) )
+#else
+# define RT_UOFFSETOF(type, member) ( (uintptr_t)&( ((type *)(void *)0)->member) )
+#endif
+
+/** @def RT_OFFSETOF_ADD
+ * RT_OFFSETOF with an addend.
+ *
+ * @returns offset into the structure of the specified member. signed.
+ * @param type Structure type.
+ * @param member Member.
+ * @param addend The addend to add to the offset.
+ *
+ * @remarks Only use this for static offset calculations.
+ */
+#define RT_OFFSETOF_ADD(type, member, addend) ( (int)RT_UOFFSETOF_ADD(type, member, addend) )
+
+/** @def RT_UOFFSETOF_ADD
+ * RT_UOFFSETOF with an addend.
+ *
+ * @returns offset into the structure of the specified member. signed.
+ * @param type Structure type.
+ * @param member Member.
+ * @param addend The addend to add to the offset.
+ *
+ * @remarks Only use this for static offset calculations.
+ */
+#if RT_GNUC_PREREQ(4, 0)
+# define RT_UOFFSETOF_ADD(type, member, addend) ( (uintptr_t)(__builtin_offsetof(type, member) + (addend)))
+#else
+# define RT_UOFFSETOF_ADD(type, member, addend) ( (uintptr_t)&( ((type *)(void *)(uintptr_t)(addend))->member) )
+#endif
+
+/** @def RT_UOFFSETOF_DYN
+ * Dynamic (runtime) structure offset calculations, involving
+ * indexing of array members via variable.
+ *
+ * @returns offset into the structure of the specified member. signed.
+ * @param type Structure type.
+ * @param memberarray Member.
+ */
+#if defined(__cplusplus) && RT_GNUC_PREREQ(4, 4)
+# define RT_UOFFSETOF_DYN(type, memberarray) ( (uintptr_t)&( ((type *)(void *)0x1000)->memberarray) - 0x1000 )
+#else
+# define RT_UOFFSETOF_DYN(type, memberarray) ( (uintptr_t)&( ((type *)(void *)0)->memberarray) )
+#endif
+
+
+/** @def RT_SIZEOFMEMB
+ * Get the size of a structure member.
+ *
+ * @returns size of the structure member.
+ * @param type Structure type.
+ * @param member Member.
+ */
+#define RT_SIZEOFMEMB(type, member) ( sizeof(((type *)(void *)0)->member) )
+
+/** @def RT_UOFFSET_AFTER
+ * Returns the offset of the first byte following a structure/union member.
+ *
+ * @return byte offset into the struct.
+ * @param a_Type Structure type.
+ * @param a_Member The member name.
+ */
+#define RT_UOFFSET_AFTER(a_Type, a_Member) ( RT_UOFFSETOF(a_Type, a_Member) + RT_SIZEOFMEMB(a_Type, a_Member) )
+
+/** @def RT_FROM_MEMBER
+ * Convert a pointer to a structure member into a pointer to the structure.
+ *
+ * @returns pointer to the structure.
+ * @param pMem Pointer to the member.
+ * @param Type Structure type.
+ * @param Member Member name.
+ */
+#define RT_FROM_MEMBER(pMem, Type, Member) ( (Type *) ((uint8_t *)(void *)(pMem) - RT_UOFFSETOF(Type, Member)) )
+
+/** @def RT_FROM_CPP_MEMBER
+ * Same as RT_FROM_MEMBER except it avoids the annoying g++ warnings about
+ * invalid access to non-static data member of NULL object.
+ *
+ * @returns pointer to the structure.
+ * @param pMem Pointer to the member.
+ * @param Type Structure type.
+ * @param Member Member name.
+ *
+ * @remarks Using the __builtin_offsetof does not shut up the compiler.
+ */
+#if defined(__GNUC__) && defined(__cplusplus)
+# define RT_FROM_CPP_MEMBER(pMem, Type, Member) \
+ ( (Type *) ((uintptr_t)(pMem) - (uintptr_t)&((Type *)0x1000)->Member + 0x1000U) )
+#else
+# define RT_FROM_CPP_MEMBER(pMem, Type, Member) RT_FROM_MEMBER(pMem, Type, Member)
+#endif
+
+/** @def RT_FROM_MEMBER_DYN
+ * Convert a pointer to a structure member into a pointer to the structure.
+ *
+ * @returns pointer to the structure.
+ * @param pMem Pointer to the member.
+ * @param Type Structure type.
+ * @param Member Member name dynamic size (some array is index by
+ * non-constant value).
+ */
+#define RT_FROM_MEMBER_DYN(pMem, Type, Member) ( (Type *) ((uint8_t *)(void *)(pMem) - RT_UOFFSETOF_DYN(Type, Member)) )
+
+/** @def RT_ELEMENTS
+ * Calculates the number of elements in a statically sized array.
+ * @returns Element count.
+ * @param aArray Array in question.
+ */
+#define RT_ELEMENTS(aArray) ( sizeof(aArray) / sizeof((aArray)[0]) )
+
+/** @def RT_SAFE_SUBSCRIPT
+ * Safe array subscript using modulo and size_t cast.
+ * @param a_Array The array.
+ * @param a_idx The array index, cast to size_t to ensure unsigned.
+ */
+#define RT_SAFE_SUBSCRIPT(a_Array, a_idx) (a_Array)[(size_t)(a_idx) % RT_ELEMENTS(a_Array)]
+
+/** @def RT_SAFE_SUBSCRIPT32
+ * Safe array subscript using modulo and uint32_t cast.
+ * @param a_Array The array.
+ * @param a_idx The array index, cast to size_t to ensure unsigned.
+ * @note Only consider using this if array size is not power of two.
+ */
+#define RT_SAFE_SUBSCRIPT32(a_Array, a_idx) (a_Array)[(uint32_t)(a_idx) % RT_ELEMENTS(a_Array)]
+
+/** @def RT_SAFE_SUBSCRIPT16
+ * Safe array subscript using modulo and uint16_t cast.
+ * @param a_Array The array.
+ * @param a_idx The array index, cast to size_t to ensure unsigned.
+ * @note Only consider using this if array size is not power of two.
+ */
+#define RT_SAFE_SUBSCRIPT16(a_Array, a_idx) (a_Array)[(uint16_t)(a_idx) % RT_ELEMENTS(a_Array)]
+
+/** @def RT_SAFE_SUBSCRIPT8
+ * Safe array subscript using modulo and uint8_t cast.
+ * @param a_Array The array.
+ * @param a_idx The array index, cast to size_t to ensure unsigned.
+ * @note Only consider using this if array size is not power of two.
+ */
+#define RT_SAFE_SUBSCRIPT8(a_Array, a_idx) (a_Array)[(uint8_t)(a_idx) % RT_ELEMENTS(a_Array)]
+
+/** @def RT_SAFE_SUBSCRIPT_NC
+ * Safe array subscript using modulo but no cast.
+ * @param a_Array The array.
+ * @param a_idx The array index - assumes unsigned type.
+ * @note Only consider using this if array size is not power of two.
+ */
+#define RT_SAFE_SUBSCRIPT_NC(a_Array, a_idx) (a_Array)[(a_idx) % RT_ELEMENTS(a_Array)]
+
+/** @def RT_FLEXIBLE_ARRAY
+ * What to up inside the square brackets when declaring a structure member
+ * with a flexible size.
+ *
+ * @note RT_FLEXIBLE_ARRAY_EXTENSION must always preceed the type, unless
+ * it's C-only code.
+ *
+ * @note Use RT_UOFFSETOF() to calculate the structure size.
+ *
+ * @note Never do a sizeof() on the structure or member!
+ *
+ * @note The member must be the last one.
+ *
+ * @note GCC does not permit using this in a union. So, for unions you must
+ * use RT_FLEXIBLE_ARRAY_IN_UNION instead.
+ *
+ * @note GCC does not permit using this in nested structures, where as MSC
+ * does. So, use RT_FLEXIBLE_ARRAY_NESTED for that.
+ *
+ * @sa RT_FLEXIBLE_ARRAY_NESTED, RT_FLEXIBLE_ARRAY_IN_UNION
+ */
+#if RT_MSC_PREREQ(RT_MSC_VER_VS2005) /** @todo Probably much much earlier. */ \
+ || (defined(__cplusplus) && RT_GNUC_PREREQ(6, 1)) /* not tested 7.x, but hope it works with __extension__ too. */ \
+ || defined(__WATCOMC__) /* openwatcom 1.9 supports it, we don't care about older atm. */ \
+ || RT_CLANG_PREREQ_EX(3, 4, 0) /* Only tested clang v3.4, support is probably older. */
+# define RT_FLEXIBLE_ARRAY
+# if defined(__cplusplus) && defined(_MSC_VER)
+# pragma warning(disable:4200) /* -wd4200 does not work with VS2010 */
+# pragma warning(disable:4815) /* -wd4815 does not work with VS2019 */
+# endif
+#elif defined(__STDC_VERSION__)
+# if __STDC_VERSION__ >= 1999901L
+# define RT_FLEXIBLE_ARRAY
+# else
+# define RT_FLEXIBLE_ARRAY 1
+# endif
+#else
+# define RT_FLEXIBLE_ARRAY 1
+#endif
+
+/** @def RT_FLEXIBLE_ARRAY_EXTENSION
+ * A trick to make GNU C++ quietly accept flexible arrays in C++ code when
+ * pedantic warnings are enabled. Put this on the line before the flexible
+ * array. */
+#if (RT_GNUC_PREREQ(7, 0) && defined(__cplusplus)) || defined(DOXGYEN_RUNNING)
+# define RT_FLEXIBLE_ARRAY_EXTENSION RT_GCC_EXTENSION
+#else
+# define RT_FLEXIBLE_ARRAY_EXTENSION
+#endif
+
+/** @def RT_FLEXIBLE_ARRAY_NESTED
+ * Variant of RT_FLEXIBLE_ARRAY for use in structures that are nested.
+ *
+ * GCC only allow the use of flexible array member in the top structure, whereas
+ * MSC is less strict and let you do struct { struct { char szName[]; } s; };
+ *
+ * @note See notes for RT_FLEXIBLE_ARRAY.
+ *
+ * @note GCC does not permit using this in a union. So, for unions you must
+ * use RT_FLEXIBLE_ARRAY_IN_NESTED_UNION instead.
+ *
+ * @sa RT_FLEXIBLE_ARRAY, RT_FLEXIBLE_ARRAY_IN_NESTED_UNION
+ */
+#ifdef _MSC_VER
+# define RT_FLEXIBLE_ARRAY_NESTED RT_FLEXIBLE_ARRAY
+#else
+# define RT_FLEXIBLE_ARRAY_NESTED 1
+#endif
+
+/** @def RT_FLEXIBLE_ARRAY_IN_UNION
+ * The union version of RT_FLEXIBLE_ARRAY.
+ *
+ * @remarks GCC does not support flexible array members in unions, 6.1.x
+ * actively checks for this. Visual C++ 2010 seems happy with it.
+ *
+ * @note See notes for RT_FLEXIBLE_ARRAY.
+ *
+ * @sa RT_FLEXIBLE_ARRAY, RT_FLEXIBLE_ARRAY_IN_NESTED_UNION
+ */
+#ifdef _MSC_VER
+# define RT_FLEXIBLE_ARRAY_IN_UNION RT_FLEXIBLE_ARRAY
+#else
+# define RT_FLEXIBLE_ARRAY_IN_UNION 1
+#endif
+
+/** @def RT_FLEXIBLE_ARRAY_IN_NESTED_UNION
+ * The union version of RT_FLEXIBLE_ARRAY_NESTED.
+ *
+ * @note See notes for RT_FLEXIBLE_ARRAY.
+ *
+ * @sa RT_FLEXIBLE_ARRAY, RT_FLEXIBLE_ARRAY_IN_NESTED_UNION
+ */
+#ifdef _MSC_VER
+# define RT_FLEXIBLE_ARRAY_IN_NESTED_UNION RT_FLEXIBLE_ARRAY_NESTED
+#else
+# define RT_FLEXIBLE_ARRAY_IN_NESTED_UNION 1
+#endif
+
+/** @def RT_UNION_NM
+ * For compilers (like DTrace) that does not grok nameless unions, we have a
+ * little hack to make them palatable.
+ */
+/** @def RT_STRUCT_NM
+ * For compilers (like DTrace) that does not grok nameless structs (it is
+ * non-standard C++), we have a little hack to make them palatable.
+ */
+#ifdef IPRT_WITHOUT_NAMED_UNIONS_AND_STRUCTS
+# define RT_UNION_NM(a_Nm) a_Nm
+# define RT_STRUCT_NM(a_Nm) a_Nm
+#else
+# define RT_UNION_NM(a_Nm)
+# define RT_STRUCT_NM(a_Nm)
+#endif
+
+/**
+ * Checks if the value is a power of two.
+ *
+ * @returns true if power of two, false if not.
+ * @param uVal The value to test.
+ * @remarks 0 is a power of two.
+ * @see VERR_NOT_POWER_OF_TWO
+ */
+#define RT_IS_POWER_OF_TWO(uVal) ( ((uVal) & ((uVal) - 1)) == 0)
+
+#ifdef RT_OS_OS2
+/* Undefine RT_MAX since there is an unfortunate clash with the max
+ resource type define in os2.h. */
+# undef RT_MAX
+#endif
+
+/** @def RT_MAX
+ * Finds the maximum value.
+ * @returns The higher of the two.
+ * @param Value1 Value 1
+ * @param Value2 Value 2
+ */
+#define RT_MAX(Value1, Value2) ( (Value1) >= (Value2) ? (Value1) : (Value2) )
+
+/** @def RT_MIN
+ * Finds the minimum value.
+ * @returns The lower of the two.
+ * @param Value1 Value 1
+ * @param Value2 Value 2
+ */
+#define RT_MIN(Value1, Value2) ( (Value1) <= (Value2) ? (Value1) : (Value2) )
+
+/** @def RT_CLAMP
+ * Clamps the value to minimum and maximum values.
+ * @returns The clamped value.
+ * @param Value The value to check.
+ * @param Min Minimum value.
+ * @param Max Maximum value.
+ */
+#define RT_CLAMP(Value, Min, Max) ( (Value) > (Max) ? (Max) : (Value) < (Min) ? (Min) : (Value) )
+
+/** @def RT_ABS
+ * Get the absolute (non-negative) value.
+ * @returns The absolute value of Value.
+ * @param Value The value.
+ */
+#define RT_ABS(Value) ( (Value) >= 0 ? (Value) : -(Value) )
+
+/** @def RT_BOOL
+ * Turn non-zero/zero into true/false
+ * @returns The resulting boolean value.
+ * @param Value The value.
+ */
+#define RT_BOOL(Value) ( !!(Value) )
+
+/** @def RT_LO_U8
+ * Gets the low uint8_t of a uint16_t or something equivalent. */
+#ifdef __GNUC__
+# define RT_LO_U8(a) __extension__ ({ AssertCompile(sizeof((a)) == sizeof(uint16_t)); (uint8_t)(a); })
+#elif defined(_MSC_VER) /* shut up cast truncates constant value warnings */
+# define RT_LO_U8(a) ( (uint8_t)(UINT8_MAX & (a)) )
+#else
+# define RT_LO_U8(a) ( (uint8_t)(a) )
+#endif
+/** @def RT_HI_U8
+ * Gets the high uint8_t of a uint16_t or something equivalent. */
+#ifdef __GNUC__
+# define RT_HI_U8(a) __extension__ ({ AssertCompile(sizeof((a)) == sizeof(uint16_t)); (uint8_t)((a) >> 8); })
+#else
+# define RT_HI_U8(a) ( (uint8_t)((a) >> 8) )
+#endif
+
+/** @def RT_LO_U16
+ * Gets the low uint16_t of a uint32_t or something equivalent. */
+#ifdef __GNUC__
+# define RT_LO_U16(a) __extension__ ({ AssertCompile(sizeof((a)) == sizeof(uint32_t)); (uint16_t)(a); })
+#elif defined(_MSC_VER) /* shut up cast truncates constant value warnings */
+# define RT_LO_U16(a) ( (uint16_t)(UINT16_MAX & (a)) )
+#else
+# define RT_LO_U16(a) ( (uint16_t)(a) )
+#endif
+/** @def RT_HI_U16
+ * Gets the high uint16_t of a uint32_t or something equivalent. */
+#ifdef __GNUC__
+# define RT_HI_U16(a) __extension__ ({ AssertCompile(sizeof((a)) == sizeof(uint32_t)); (uint16_t)((a) >> 16); })
+#else
+# define RT_HI_U16(a) ( (uint16_t)((a) >> 16) )
+#endif
+
+/** @def RT_LO_U32
+ * Gets the low uint32_t of a uint64_t or something equivalent. */
+#ifdef __GNUC__
+# define RT_LO_U32(a) __extension__ ({ AssertCompile(sizeof((a)) == sizeof(uint64_t)); (uint32_t)(a); })
+#elif defined(_MSC_VER) /* shut up cast truncates constant value warnings */
+# define RT_LO_U32(a) ( (uint32_t)(UINT32_MAX & (a)) )
+#else
+# define RT_LO_U32(a) ( (uint32_t)(a) )
+#endif
+/** @def RT_HI_U32
+ * Gets the high uint32_t of a uint64_t or something equivalent. */
+#ifdef __GNUC__
+# define RT_HI_U32(a) __extension__ ({ AssertCompile(sizeof((a)) == sizeof(uint64_t)); (uint32_t)((a) >> 32); })
+#else
+# define RT_HI_U32(a) ( (uint32_t)((a) >> 32) )
+#endif
+
+/** @def RT_BYTE1
+ * Gets the first byte of something. */
+#define RT_BYTE1(a) ( (uint8_t)((a) & 0xff) )
+/** @def RT_BYTE2
+ * Gets the second byte of something. */
+#define RT_BYTE2(a) ( (uint8_t)(((a) >> 8) & 0xff) )
+/** @def RT_BYTE3
+ * Gets the second byte of something. */
+#define RT_BYTE3(a) ( (uint8_t)(((a) >> 16) & 0xff) )
+/** @def RT_BYTE4
+ * Gets the fourth byte of something. */
+#define RT_BYTE4(a) ( (uint8_t)(((a) >> 24) & 0xff) )
+/** @def RT_BYTE5
+ * Gets the fifth byte of something. */
+#define RT_BYTE5(a) ( (uint8_t)(((a) >> 32) & 0xff) )
+/** @def RT_BYTE6
+ * Gets the sixth byte of something. */
+#define RT_BYTE6(a) ( (uint8_t)(((a) >> 40) & 0xff) )
+/** @def RT_BYTE7
+ * Gets the seventh byte of something. */
+#define RT_BYTE7(a) ( (uint8_t)(((a) >> 48) & 0xff) )
+/** @def RT_BYTE8
+ * Gets the eight byte of something. */
+#define RT_BYTE8(a) ( (uint8_t)(((a) >> 56) & 0xff) )
+
+
+/** @def RT_LODWORD
+ * Gets the low dword (=uint32_t) of something.
+ * @deprecated Use RT_LO_U32. */
+#define RT_LODWORD(a) ( (uint32_t)(a) )
+/** @def RT_HIDWORD
+ * Gets the high dword (=uint32_t) of a 64-bit of something.
+ * @deprecated Use RT_HI_U32. */
+#define RT_HIDWORD(a) ( (uint32_t)((a) >> 32) )
+
+/** @def RT_LOWORD
+ * Gets the low word (=uint16_t) of something.
+ * @deprecated Use RT_LO_U16. */
+#define RT_LOWORD(a) ( (a) & 0xffff )
+/** @def RT_HIWORD
+ * Gets the high word (=uint16_t) of a 32-bit something.
+ * @deprecated Use RT_HI_U16. */
+#define RT_HIWORD(a) ( (a) >> 16 )
+
+/** @def RT_LOBYTE
+ * Gets the low byte of something.
+ * @deprecated Use RT_LO_U8. */
+#define RT_LOBYTE(a) ( (a) & 0xff )
+/** @def RT_HIBYTE
+ * Gets the high byte of a 16-bit something.
+ * @deprecated Use RT_HI_U8. */
+#define RT_HIBYTE(a) ( (a) >> 8 )
+
+
+/** @def RT_MAKE_U64
+ * Constructs a uint64_t value from two uint32_t values.
+ */
+#define RT_MAKE_U64(Lo, Hi) ( (uint64_t)((uint32_t)(Hi)) << 32 | (uint32_t)(Lo) )
+
+/** @def RT_MAKE_U64_FROM_U16
+ * Constructs a uint64_t value from four uint16_t values.
+ */
+#define RT_MAKE_U64_FROM_U16(w0, w1, w2, w3) \
+ ((uint64_t)( (uint64_t)((uint16_t)(w3)) << 48 \
+ | (uint64_t)((uint16_t)(w2)) << 32 \
+ | (uint32_t)((uint16_t)(w1)) << 16 \
+ | (uint16_t)(w0) ))
+
+/** @def RT_MAKE_U64_FROM_U8
+ * Constructs a uint64_t value from eight uint8_t values.
+ */
+#define RT_MAKE_U64_FROM_U8(b0, b1, b2, b3, b4, b5, b6, b7) \
+ ((uint64_t)( (uint64_t)((uint8_t)(b7)) << 56 \
+ | (uint64_t)((uint8_t)(b6)) << 48 \
+ | (uint64_t)((uint8_t)(b5)) << 40 \
+ | (uint64_t)((uint8_t)(b4)) << 32 \
+ | (uint64_t)((uint8_t)(b3)) << 24 \
+ | (uint64_t)((uint8_t)(b2)) << 16 \
+ | (uint64_t)((uint8_t)(b1)) << 8 \
+ | (uint64_t) (uint8_t)(b0) ))
+
+/** @def RT_MAKE_U32
+ * Constructs a uint32_t value from two uint16_t values.
+ */
+#define RT_MAKE_U32(Lo, Hi) \
+ ((uint32_t)( (uint32_t)((uint16_t)(Hi)) << 16 \
+ | (uint16_t)(Lo) ))
+
+/** @def RT_MAKE_U32_FROM_U8
+ * Constructs a uint32_t value from four uint8_t values.
+ */
+#define RT_MAKE_U32_FROM_U8(b0, b1, b2, b3) \
+ ((uint32_t)( (uint32_t)((uint8_t)(b3)) << 24 \
+ | (uint32_t)((uint8_t)(b2)) << 16 \
+ | (uint32_t)((uint8_t)(b1)) << 8 \
+ | (uint8_t)(b0) ))
+
+/** @def RT_MAKE_U16
+ * Constructs a uint16_t value from two uint8_t values.
+ */
+#define RT_MAKE_U16(Lo, Hi) \
+ ((uint16_t)( (uint16_t)((uint8_t)(Hi)) << 8 \
+ | (uint8_t)(Lo) ))
+
+
+/** @def RT_BSWAP_U64
+ * Reverses the byte order of an uint64_t value. */
+#if defined(__GNUC__)
+# define RT_BSWAP_U64(u64) (__builtin_constant_p((u64)) ? RT_BSWAP_U64_C(u64) : ASMByteSwapU64(u64))
+#else
+# define RT_BSWAP_U64(u64) ASMByteSwapU64(u64)
+#endif
+
+/** @def RT_BSWAP_U32
+ * Reverses the byte order of an uint32_t value. */
+#if defined(__GNUC__)
+# define RT_BSWAP_U32(u32) (__builtin_constant_p((u32)) ? RT_BSWAP_U32_C(u32) : ASMByteSwapU32(u32))
+#else
+# define RT_BSWAP_U32(u32) ASMByteSwapU32(u32)
+#endif
+
+/** @def RT_BSWAP_U16
+ * Reverses the byte order of an uint16_t value. */
+#if defined(__GNUC__)
+# define RT_BSWAP_U16(u16) (__builtin_constant_p((u16)) ? RT_BSWAP_U16_C(u16) : ASMByteSwapU16(u16))
+#else
+# define RT_BSWAP_U16(u16) ASMByteSwapU16(u16)
+#endif
+
+/** @def RT_BSWAP_S64
+ * Reverses the byte order of an int64_t value. */
+#define RT_BSWAP_S64(i64) ((int64_t)RT_BSWAP_U64((uint64_t)i64))
+
+/** @def RT_BSWAP_S32
+ * Reverses the byte order of an int32_t value. */
+#define RT_BSWAP_S32(i32) ((int32_t)RT_BSWAP_U32((uint32_t)i32))
+
+/** @def RT_BSWAP_S16
+ * Reverses the byte order of an int16_t value. */
+#define RT_BSWAP_S16(i16) ((int16_t)RT_BSWAP_U16((uint16_t)i16))
+
+
+/** @def RT_BSWAP_U64_C
+ * Reverses the byte order of an uint64_t constant. */
+#define RT_BSWAP_U64_C(u64) RT_MAKE_U64(RT_BSWAP_U32_C((u64) >> 32), RT_BSWAP_U32_C((u64) & 0xffffffff))
+
+/** @def RT_BSWAP_U32_C
+ * Reverses the byte order of an uint32_t constant. */
+#define RT_BSWAP_U32_C(u32) RT_MAKE_U32_FROM_U8(RT_BYTE4(u32), RT_BYTE3(u32), RT_BYTE2(u32), RT_BYTE1(u32))
+
+/** @def RT_BSWAP_U16_C
+ * Reverses the byte order of an uint16_t constant. */
+#define RT_BSWAP_U16_C(u16) RT_MAKE_U16(RT_HIBYTE(u16), RT_LOBYTE(u16))
+
+/** @def RT_BSWAP_S64_C
+ * Reverses the byte order of an int64_t constant. */
+#define RT_BSWAP_S64_C(i64) ((int64_t)RT_MAKE_U64(RT_BSWAP_U32_C((uint64_t)(i64) >> 32), RT_BSWAP_U32_C((uint32_t)(i64))))
+
+/** @def RT_BSWAP_S32_C
+ * Reverses the byte order of an int32_t constant. */
+#define RT_BSWAP_S32_C(i32) ((int32_t)RT_MAKE_U32_FROM_U8(RT_BYTE4(i32), RT_BYTE3(i32), RT_BYTE2(i32), RT_BYTE1(i)))
+
+/** @def RT_BSWAP_S16_C
+ * Reverses the byte order of an uint16_t constant. */
+#define RT_BSWAP_S16_C(i16) ((int16_t)RT_MAKE_U16(RT_HIBYTE(i16), RT_LOBYTE(i16)))
+
+
+
+/** @name Host to/from little endian.
+ * @note Typically requires iprt/asm.h to be included.
+ * @{ */
+
+/** @def RT_H2LE_U64
+ * Converts an uint64_t value from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_U64(u64) RT_BSWAP_U64(u64)
+#else
+# define RT_H2LE_U64(u64) (u64)
+#endif
+
+/** @def RT_H2LE_U64_C
+ * Converts an uint64_t constant from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_U64_C(u64) RT_BSWAP_U64_C(u64)
+#else
+# define RT_H2LE_U64_C(u64) (u64)
+#endif
+
+/** @def RT_H2LE_U32
+ * Converts an uint32_t value from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_U32(u32) RT_BSWAP_U32(u32)
+#else
+# define RT_H2LE_U32(u32) (u32)
+#endif
+
+/** @def RT_H2LE_U32_C
+ * Converts an uint32_t constant from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_U32_C(u32) RT_BSWAP_U32_C(u32)
+#else
+# define RT_H2LE_U32_C(u32) (u32)
+#endif
+
+/** @def RT_H2LE_U16
+ * Converts an uint16_t value from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_U16(u16) RT_BSWAP_U16(u16)
+#else
+# define RT_H2LE_U16(u16) (u16)
+#endif
+
+/** @def RT_H2LE_U16_C
+ * Converts an uint16_t constant from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_U16_C(u16) RT_BSWAP_U16_C(u16)
+#else
+# define RT_H2LE_U16_C(u16) (u16)
+#endif
+
+
+/** @def RT_LE2H_U64
+ * Converts an uint64_t value from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_U64(u64) RT_BSWAP_U64(u64)
+#else
+# define RT_LE2H_U64(u64) (u64)
+#endif
+
+/** @def RT_LE2H_U64_C
+ * Converts an uint64_t constant from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_U64_C(u64) RT_BSWAP_U64_C(u64)
+#else
+# define RT_LE2H_U64_C(u64) (u64)
+#endif
+
+/** @def RT_LE2H_U32
+ * Converts an uint32_t value from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_U32(u32) RT_BSWAP_U32(u32)
+#else
+# define RT_LE2H_U32(u32) (u32)
+#endif
+
+/** @def RT_LE2H_U32_C
+ * Converts an uint32_t constant from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_U32_C(u32) RT_BSWAP_U32_C(u32)
+#else
+# define RT_LE2H_U32_C(u32) (u32)
+#endif
+
+/** @def RT_LE2H_U16
+ * Converts an uint16_t value from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_U16(u16) RT_BSWAP_U16(u16)
+#else
+# define RT_LE2H_U16(u16) (u16)
+#endif
+
+/** @def RT_LE2H_U16_C
+ * Converts an uint16_t constant from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_U16_C(u16) RT_BSWAP_U16_C(u16)
+#else
+# define RT_LE2H_U16_C(u16) (u16)
+#endif
+
+/** @def RT_H2LE_S64
+ * Converts an int64_t value from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_S64(i64) RT_BSWAP_S64(i64)
+#else
+# define RT_H2LE_S64(i64) (i64)
+#endif
+
+/** @def RT_H2LE_S64_C
+ * Converts an int64_t constant from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_S64_C(i64) RT_BSWAP_S64_C(i64)
+#else
+# define RT_H2LE_S64_C(i64) (i64)
+#endif
+
+/** @def RT_H2LE_S32
+ * Converts an int32_t value from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_S32(i32) RT_BSWAP_S32(i32)
+#else
+# define RT_H2LE_S32(i32) (i32)
+#endif
+
+/** @def RT_H2LE_S32_C
+ * Converts an int32_t constant from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_S32_C(i32) RT_BSWAP_S32_C(i32)
+#else
+# define RT_H2LE_S32_C(i32) (i32)
+#endif
+
+/** @def RT_H2LE_S16
+ * Converts an int16_t value from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_S16(i16) RT_BSWAP_S16(i16)
+#else
+# define RT_H2LE_S16(i16) (i16)
+#endif
+
+/** @def RT_H2LE_S16_C
+ * Converts an int16_t constant from host to little endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2LE_S16_C(i16) RT_BSWAP_S16_C(i16)
+#else
+# define RT_H2LE_S16_C(i16) (i16)
+#endif
+
+/** @def RT_LE2H_S64
+ * Converts an int64_t value from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_S64(i64) RT_BSWAP_S64(i64)
+#else
+# define RT_LE2H_S64(i64) (i64)
+#endif
+
+/** @def RT_LE2H_S64_C
+ * Converts an int64_t constant from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_S64_C(i64) RT_BSWAP_S64_C(i64)
+#else
+# define RT_LE2H_S64_C(i64) (i64)
+#endif
+
+/** @def RT_LE2H_S32
+ * Converts an int32_t value from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_S32(i32) RT_BSWAP_S32(i32)
+#else
+# define RT_LE2H_S32(i32) (i32)
+#endif
+
+/** @def RT_LE2H_S32_C
+ * Converts an int32_t constant from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_S32_C(i32) RT_BSWAP_S32_C(i32)
+#else
+# define RT_LE2H_S32_C(i32) (i32)
+#endif
+
+/** @def RT_LE2H_S16
+ * Converts an int16_t value from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_S16(i16) RT_BSWAP_S16(i16)
+#else
+# define RT_LE2H_S16(i16) (i16)
+#endif
+
+/** @def RT_LE2H_S16_C
+ * Converts an int16_t constant from little endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_LE2H_S16_C(i16) RT_BSWAP_S16_C(i16)
+#else
+# define RT_LE2H_S16_C(i16) (i16)
+#endif
+
+/** @} */
+
+/** @name Host to/from big endian.
+ * @note Typically requires iprt/asm.h to be included.
+ * @{ */
+
+/** @def RT_H2BE_U64
+ * Converts an uint64_t value from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_U64(u64) (u64)
+#else
+# define RT_H2BE_U64(u64) RT_BSWAP_U64(u64)
+#endif
+
+/** @def RT_H2BE_U64_C
+ * Converts an uint64_t constant from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_U64_C(u64) (u64)
+#else
+# define RT_H2BE_U64_C(u64) RT_BSWAP_U64_C(u64)
+#endif
+
+/** @def RT_H2BE_U32
+ * Converts an uint32_t value from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_U32(u32) (u32)
+#else
+# define RT_H2BE_U32(u32) RT_BSWAP_U32(u32)
+#endif
+
+/** @def RT_H2BE_U32_C
+ * Converts an uint32_t constant from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_U32_C(u32) (u32)
+#else
+# define RT_H2BE_U32_C(u32) RT_BSWAP_U32_C(u32)
+#endif
+
+/** @def RT_H2BE_U16
+ * Converts an uint16_t value from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_U16(u16) (u16)
+#else
+# define RT_H2BE_U16(u16) RT_BSWAP_U16(u16)
+#endif
+
+/** @def RT_H2BE_U16_C
+ * Converts an uint16_t constant from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_U16_C(u16) (u16)
+#else
+# define RT_H2BE_U16_C(u16) RT_BSWAP_U16_C(u16)
+#endif
+
+/** @def RT_BE2H_U64
+ * Converts an uint64_t value from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_U64(u64) (u64)
+#else
+# define RT_BE2H_U64(u64) RT_BSWAP_U64(u64)
+#endif
+
+/** @def RT_BE2H_U64
+ * Converts an uint64_t constant from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_U64_C(u64) (u64)
+#else
+# define RT_BE2H_U64_C(u64) RT_BSWAP_U64_C(u64)
+#endif
+
+/** @def RT_BE2H_U32
+ * Converts an uint32_t value from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_U32(u32) (u32)
+#else
+# define RT_BE2H_U32(u32) RT_BSWAP_U32(u32)
+#endif
+
+/** @def RT_BE2H_U32_C
+ * Converts an uint32_t value from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_U32_C(u32) (u32)
+#else
+# define RT_BE2H_U32_C(u32) RT_BSWAP_U32_C(u32)
+#endif
+
+/** @def RT_BE2H_U16
+ * Converts an uint16_t value from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_U16(u16) (u16)
+#else
+# define RT_BE2H_U16(u16) RT_BSWAP_U16(u16)
+#endif
+
+/** @def RT_BE2H_U16_C
+ * Converts an uint16_t constant from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_U16_C(u16) (u16)
+#else
+# define RT_BE2H_U16_C(u16) RT_BSWAP_U16_C(u16)
+#endif
+
+/** @def RT_H2BE_S64
+ * Converts an int64_t value from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_S64(i64) (i64)
+#else
+# define RT_H2BE_S64(i64) RT_BSWAP_S64(i64)
+#endif
+
+/** @def RT_H2BE_S64_C
+ * Converts an int64_t constant from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_S64_C(i64) (i64)
+#else
+# define RT_H2BE_S64_C(i64) RT_BSWAP_S64_C(i64)
+#endif
+
+/** @def RT_H2BE_S32
+ * Converts an int32_t value from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_S32(i32) (i32)
+#else
+# define RT_H2BE_S32(i32) RT_BSWAP_S32(i32)
+#endif
+
+/** @def RT_H2BE_S32_C
+ * Converts an int32_t constant from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_S32_C(i32) (i32)
+#else
+# define RT_H2BE_S32_C(i32) RT_BSWAP_S32_C(i32)
+#endif
+
+/** @def RT_H2BE_S16
+ * Converts an int16_t value from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_S16(i16) (i16)
+#else
+# define RT_H2BE_S16(i16) RT_BSWAP_S16(i16)
+#endif
+
+/** @def RT_H2BE_S16_C
+ * Converts an int16_t constant from host to big endian byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_H2BE_S16_C(i16) (i16)
+#else
+# define RT_H2BE_S16_C(i16) RT_BSWAP_S16_C(i16)
+#endif
+
+/** @def RT_BE2H_S64
+ * Converts an int64_t value from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_S64(i64) (i64)
+#else
+# define RT_BE2H_S64(i64) RT_BSWAP_S64(i64)
+#endif
+
+/** @def RT_BE2H_S64
+ * Converts an int64_t constant from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_S64_C(i64) (i64)
+#else
+# define RT_BE2H_S64_C(i64) RT_BSWAP_S64_C(i64)
+#endif
+
+/** @def RT_BE2H_S32
+ * Converts an int32_t value from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_S32(i32) (i32)
+#else
+# define RT_BE2H_S32(i32) RT_BSWAP_S32(i32)
+#endif
+
+/** @def RT_BE2H_S32_C
+ * Converts an int32_t value from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_S32_C(i32) (i32)
+#else
+# define RT_BE2H_S32_C(i32) RT_BSWAP_S32_C(i32)
+#endif
+
+/** @def RT_BE2H_S16
+ * Converts an int16_t value from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_S16(i16) (i16)
+#else
+# define RT_BE2H_S16(i16) RT_BSWAP_S16(i16)
+#endif
+
+/** @def RT_BE2H_S16_C
+ * Converts an int16_t constant from big endian to host byte order. */
+#ifdef RT_BIG_ENDIAN
+# define RT_BE2H_S16_C(i16) (i16)
+#else
+# define RT_BE2H_S16_C(i16) RT_BSWAP_S16_C(i16)
+#endif
+/** @} */
+
+/** @name Host to/from network byte order.
+ * @note Typically requires iprt/asm.h to be included.
+ * @{ */
+
+/** @def RT_H2N_U64
+ * Converts an uint64_t value from host to network byte order. */
+#define RT_H2N_U64(u64) RT_H2BE_U64(u64)
+
+/** @def RT_H2N_U64_C
+ * Converts an uint64_t constant from host to network byte order. */
+#define RT_H2N_U64_C(u64) RT_H2BE_U64_C(u64)
+
+/** @def RT_H2N_U32
+ * Converts an uint32_t value from host to network byte order. */
+#define RT_H2N_U32(u32) RT_H2BE_U32(u32)
+
+/** @def RT_H2N_U32_C
+ * Converts an uint32_t constant from host to network byte order. */
+#define RT_H2N_U32_C(u32) RT_H2BE_U32_C(u32)
+
+/** @def RT_H2N_U16
+ * Converts an uint16_t value from host to network byte order. */
+#define RT_H2N_U16(u16) RT_H2BE_U16(u16)
+
+/** @def RT_H2N_U16_C
+ * Converts an uint16_t constant from host to network byte order. */
+#define RT_H2N_U16_C(u16) RT_H2BE_U16_C(u16)
+
+/** @def RT_N2H_U64
+ * Converts an uint64_t value from network to host byte order. */
+#define RT_N2H_U64(u64) RT_BE2H_U64(u64)
+
+/** @def RT_N2H_U64_C
+ * Converts an uint64_t constant from network to host byte order. */
+#define RT_N2H_U64_C(u64) RT_BE2H_U64_C(u64)
+
+/** @def RT_N2H_U32
+ * Converts an uint32_t value from network to host byte order. */
+#define RT_N2H_U32(u32) RT_BE2H_U32(u32)
+
+/** @def RT_N2H_U32_C
+ * Converts an uint32_t constant from network to host byte order. */
+#define RT_N2H_U32_C(u32) RT_BE2H_U32_C(u32)
+
+/** @def RT_N2H_U16
+ * Converts an uint16_t value from network to host byte order. */
+#define RT_N2H_U16(u16) RT_BE2H_U16(u16)
+
+/** @def RT_N2H_U16_C
+ * Converts an uint16_t value from network to host byte order. */
+#define RT_N2H_U16_C(u16) RT_BE2H_U16_C(u16)
+
+/** @def RT_H2N_S64
+ * Converts an int64_t value from host to network byte order. */
+#define RT_H2N_S64(i64) RT_H2BE_S64(i64)
+
+/** @def RT_H2N_S64_C
+ * Converts an int64_t constant from host to network byte order. */
+#define RT_H2N_S64_C(i64) RT_H2BE_S64_C(i64)
+
+/** @def RT_H2N_S32
+ * Converts an int32_t value from host to network byte order. */
+#define RT_H2N_S32(i32) RT_H2BE_S32(i32)
+
+/** @def RT_H2N_S32_C
+ * Converts an int32_t constant from host to network byte order. */
+#define RT_H2N_S32_C(i32) RT_H2BE_S32_C(i32)
+
+/** @def RT_H2N_S16
+ * Converts an int16_t value from host to network byte order. */
+#define RT_H2N_S16(i16) RT_H2BE_S16(i16)
+
+/** @def RT_H2N_S16_C
+ * Converts an int16_t constant from host to network byte order. */
+#define RT_H2N_S16_C(i16) RT_H2BE_S16_C(i16)
+
+/** @def RT_N2H_S64
+ * Converts an int64_t value from network to host byte order. */
+#define RT_N2H_S64(i64) RT_BE2H_S64(i64)
+
+/** @def RT_N2H_S64_C
+ * Converts an int64_t constant from network to host byte order. */
+#define RT_N2H_S64_C(i64) RT_BE2H_S64_C(i64)
+
+/** @def RT_N2H_S32
+ * Converts an int32_t value from network to host byte order. */
+#define RT_N2H_S32(i32) RT_BE2H_S32(i32)
+
+/** @def RT_N2H_S32_C
+ * Converts an int32_t constant from network to host byte order. */
+#define RT_N2H_S32_C(i32) RT_BE2H_S32_C(i32)
+
+/** @def RT_N2H_S16
+ * Converts an int16_t value from network to host byte order. */
+#define RT_N2H_S16(i16) RT_BE2H_S16(i16)
+
+/** @def RT_N2H_S16_C
+ * Converts an int16_t value from network to host byte order. */
+#define RT_N2H_S16_C(i16) RT_BE2H_S16_C(i16)
+
+/** @} */
+
+
+/*
+ * The BSD sys/param.h + machine/param.h file is a major source of
+ * namespace pollution. Kill off some of the worse ones unless we're
+ * compiling kernel code.
+ */
+#if defined(RT_OS_DARWIN) \
+ && !defined(KERNEL) \
+ && !defined(RT_NO_BSD_PARAM_H_UNDEFING) \
+ && ( defined(_SYS_PARAM_H_) || defined(_I386_PARAM_H_) )
+/* sys/param.h: */
+# undef PSWP
+# undef PVM
+# undef PINOD
+# undef PRIBO
+# undef PVFS
+# undef PZERO
+# undef PSOCK
+# undef PWAIT
+# undef PLOCK
+# undef PPAUSE
+# undef PUSER
+# undef PRIMASK
+# undef MINBUCKET
+# undef MAXALLOCSAVE
+# undef FSHIFT
+# undef FSCALE
+
+/* i386/machine.h: */
+# undef ALIGN
+# undef ALIGNBYTES
+# undef DELAY
+# undef STATUS_WORD
+# undef USERMODE
+# undef BASEPRI
+# undef MSIZE
+# undef CLSIZE
+# undef CLSIZELOG2
+#endif
+
+/** @def NIL_OFFSET
+ * NIL offset.
+ * Whenever we use offsets instead of pointers to save space and relocation effort
+ * NIL_OFFSET shall be used as the equivalent to NULL.
+ */
+#define NIL_OFFSET (~0U)
+
+
+/** @def NOREF
+ * Keeps the compiler from bitching about an unused parameter, local variable,
+ * or other stuff, will never use _Pragma are is thus more flexible.
+ */
+#define NOREF(var) (void)(var)
+
+/** @def RT_NOREF_PV
+ * Keeps the compiler from bitching about an unused parameter or local variable.
+ * This one cannot be used with structure members and such, like for instance
+ * AssertRC may end up doing due to its generic nature.
+ */
+#if defined(__cplusplus) && RT_CLANG_PREREQ(6, 0)
+# define RT_NOREF_PV(var) _Pragma(RT_STR(unused(var)))
+#else
+# define RT_NOREF_PV(var) (void)(var)
+#endif
+
+/** @def RT_NOREF1
+ * RT_NOREF_PV shorthand taking on parameter. */
+#define RT_NOREF1(var1) RT_NOREF_PV(var1)
+/** @def RT_NOREF2
+ * RT_NOREF_PV shorthand taking two parameters. */
+#define RT_NOREF2(var1, var2) RT_NOREF_PV(var1); RT_NOREF1(var2)
+/** @def RT_NOREF3
+ * RT_NOREF_PV shorthand taking three parameters. */
+#define RT_NOREF3(var1, var2, var3) RT_NOREF_PV(var1); RT_NOREF2(var2, var3)
+/** @def RT_NOREF4
+ * RT_NOREF_PV shorthand taking four parameters. */
+#define RT_NOREF4(var1, var2, var3, var4) RT_NOREF_PV(var1); RT_NOREF3(var2, var3, var4)
+/** @def RT_NOREF5
+ * RT_NOREF_PV shorthand taking five parameters. */
+#define RT_NOREF5(var1, var2, var3, var4, var5) RT_NOREF_PV(var1); RT_NOREF4(var2, var3, var4, var5)
+/** @def RT_NOREF6
+ * RT_NOREF_PV shorthand taking six parameters. */
+#define RT_NOREF6(var1, var2, var3, var4, var5, var6) RT_NOREF_PV(var1); RT_NOREF5(var2, var3, var4, var5, var6)
+/** @def RT_NOREF7
+ * RT_NOREF_PV shorthand taking seven parameters. */
+#define RT_NOREF7(var1, var2, var3, var4, var5, var6, var7) \
+ RT_NOREF_PV(var1); RT_NOREF6(var2, var3, var4, var5, var6, var7)
+/** @def RT_NOREF8
+ * RT_NOREF_PV shorthand taking eight parameters. */
+#define RT_NOREF8(var1, var2, var3, var4, var5, var6, var7, var8) \
+ RT_NOREF_PV(var1); RT_NOREF7(var2, var3, var4, var5, var6, var7, var8)
+/** @def RT_NOREF9
+ * RT_NOREF_PV shorthand taking nine parameters. */
+#define RT_NOREF9(var1, var2, var3, var4, var5, var6, var7, var8, var9) \
+ RT_NOREF_PV(var1); RT_NOREF8(var2, var3, var4, var5, var6, var7, var8, var9)
+/** @def RT_NOREF10
+ * RT_NOREF_PV shorthand taking ten parameters. */
+#define RT_NOREF10(var1, var2, var3, var4, var5, var6, var7, var8, var9, var10) \
+ RT_NOREF_PV(var1); RT_NOREF_PV(var2); RT_NOREF_PV(var3); RT_NOREF_PV(var4); RT_NOREF_PV(var5); RT_NOREF_PV(var6); \
+ RT_NOREF_PV(var7); RT_NOREF_PV(var8); RT_NOREF_PV(var9); RT_NOREF_PV(var10)
+/** @def RT_NOREF11
+ * RT_NOREF_PV shorthand taking eleven parameters. */
+#define RT_NOREF11(var1, var2, var3, var4, var5, var6, var7, var8, var9, var10, var11) \
+ RT_NOREF_PV(var1); RT_NOREF10(var2, var3, var4, var5, var6, var7, var8, var9, var10, var11)
+/** @def RT_NOREF12
+ * RT_NOREF_PV shorthand taking twelve parameters. */
+#define RT_NOREF12(var1, var2, var3, var4, var5, var6, var7, var8, var9, var10, var11, var12) \
+ RT_NOREF_PV(var1); RT_NOREF11(var2, var3, var4, var5, var6, var7, var8, var9, var10, var11, var12)
+/** @def RT_NOREF13
+ * RT_NOREF_PV shorthand taking thirteen parameters. */
+#define RT_NOREF13(var1, var2, var3, var4, var5, var6, var7, var8, var9, var10, var11, var12, var13) \
+ RT_NOREF_PV(var1); RT_NOREF12(var2, var3, var4, var5, var6, var7, var8, var9, var10, var11, var12, var13)
+/** @def RT_NOREF14
+ * RT_NOREF_PV shorthand taking fourteen parameters. */
+#define RT_NOREF14(var1, var2, var3, var4, var5, var6, var7, var8, var9, var10, var11, var12, var13, var14) \
+ RT_NOREF_PV(var1); RT_NOREF13(var2, var3, var4, var5, var6, var7, var8, var9, var10, var11, var12, var13, var14)
+/** @def RT_NOREF15
+ * RT_NOREF_PV shorthand taking fifteen parameters. */
+#define RT_NOREF15(var1, var2, var3, var4, var5, var6, var7, var8, var9, var10, var11, var12, var13, var14, var15) \
+ RT_NOREF_PV(var1); RT_NOREF14(var2, var3, var4, var5, var6, var7, var8, var9, var10, var11, var12, var13, var14, var15)
+/** @def RT_NOREF16
+ * RT_NOREF_PV shorthand taking fifteen parameters. */
+#define RT_NOREF16(var1, var2, var3, var4, var5, var6, var7, var8, var9, var10, var11, var12, var13, var14, var15, var16) \
+ RT_NOREF_PV(var1); RT_NOREF15(var2, var3, var4, var5, var6, var7, var8, var9, var10, var11, var12, var13, var14, var15, var16)
+/** @def RT_NOREF17
+ * RT_NOREF_PV shorthand taking seventeen parameters. */
+#define RT_NOREF17(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17) \
+ RT_NOREF_PV(v1); RT_NOREF16(v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17)
+/** @def RT_NOREF18
+ * RT_NOREF_PV shorthand taking eighteen parameters. */
+#define RT_NOREF18(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18) \
+ RT_NOREF_PV(v1); RT_NOREF17(v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18)
+/** @def RT_NOREF19
+ * RT_NOREF_PV shorthand taking nineteen parameters. */
+#define RT_NOREF19(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19) \
+ RT_NOREF_PV(v1); RT_NOREF18(v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19)
+/** @def RT_NOREF20
+ * RT_NOREF_PV shorthand taking twenty parameters. */
+#define RT_NOREF20(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20) \
+ RT_NOREF_PV(v1); RT_NOREF19(v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20)
+/** @def RT_NOREF21
+ * RT_NOREF_PV shorthand taking twentyone parameters. */
+#define RT_NOREF21(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21) \
+ RT_NOREF_PV(v1); RT_NOREF20(v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21)
+/** @def RT_NOREF22
+ * RT_NOREF_PV shorthand taking twentytwo parameters. */
+#define RT_NOREF22(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22) \
+ RT_NOREF_PV(v1); RT_NOREF21(v2, v3, v4, v5, v6, v7, v8, v9, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v20, v21, v22)
+
+/** @def RT_NOREF
+ * RT_NOREF_PV variant using the variadic macro feature of C99.
+ * @remarks Only use this in sources */
+#ifdef RT_COMPILER_SUPPORTS_VA_ARGS
+# define RT_NOREF(...) \
+ RT_UNPACK_CALL(RT_CONCAT(RT_NOREF, RT_EXPAND(RT_COUNT_VA_ARGS(__VA_ARGS__))),(__VA_ARGS__))
+#endif
+
+
+/** @def RT_BREAKPOINT
+ * Emit a debug breakpoint instruction.
+ *
+ * @remarks In the x86/amd64 gnu world we add a nop instruction after the int3
+ * to force gdb to remain at the int3 source line.
+ * @remarks The L4 kernel will try make sense of the breakpoint, thus the jmp on
+ * x86/amd64.
+ */
+#ifdef __GNUC__
+# if defined(RT_ARCH_AMD64) || defined(RT_ARCH_X86)
+# if !defined(__L4ENV__)
+# define RT_BREAKPOINT() __asm__ __volatile__("int $3\n\tnop\n\t")
+# else
+# define RT_BREAKPOINT() __asm__ __volatile__("int3; jmp 1f; 1:\n\t")
+# endif
+# elif defined(RT_ARCH_SPARC64)
+# define RT_BREAKPOINT() __asm__ __volatile__("illtrap 0\n\t") /** @todo Sparc64: this is just a wild guess. */
+# elif defined(RT_ARCH_SPARC)
+# define RT_BREAKPOINT() __asm__ __volatile__("unimp 0\n\t") /** @todo Sparc: this is just a wild guess (same as Sparc64, just different name). */
+# elif defined(RT_ARCH_ARM32) || defined(RT_ARCH_ARM64)
+# define RT_BREAKPOINT() __asm__ __volatile__("brk #0x1\n\t")
+# endif
+#endif
+#ifdef _MSC_VER
+# define RT_BREAKPOINT() __debugbreak()
+#endif
+#if defined(__IBMC__) || defined(__IBMCPP__)
+# define RT_BREAKPOINT() __interrupt(3)
+#endif
+#if defined(__WATCOMC__)
+# define RT_BREAKPOINT() _asm { int 3 }
+#endif
+#ifndef RT_BREAKPOINT
+# error "This compiler/arch is not supported!"
+#endif
+
+
+/** @defgroup grp_rt_cdefs_size Size Constants
+ * (Of course, these are binary computer terms, not SI.)
+ * @{
+ */
+/** 1 K (Kilo) (1 024). */
+#define _1K 0x00000400
+/** 2 K (Kilo) (2 048). */
+#define _2K 0x00000800
+/** 4 K (Kilo) (4 096). */
+#define _4K 0x00001000
+/** 8 K (Kilo) (8 192). */
+#define _8K 0x00002000
+/** 16 K (Kilo) (16 384). */
+#define _16K 0x00004000
+/** 32 K (Kilo) (32 768). */
+#define _32K 0x00008000
+/** 64 K (Kilo) (65 536). */
+#if ARCH_BITS != 16
+# define _64K 0x00010000
+#else
+# define _64K UINT32_C(0x00010000)
+#endif
+/** 128 K (Kilo) (131 072). */
+#if ARCH_BITS != 16
+# define _128K 0x00020000
+#else
+# define _128K UINT32_C(0x00020000)
+#endif
+/** 256 K (Kilo) (262 144). */
+#if ARCH_BITS != 16
+# define _256K 0x00040000
+#else
+# define _256K UINT32_C(0x00040000)
+#endif
+/** 512 K (Kilo) (524 288). */
+#if ARCH_BITS != 16
+# define _512K 0x00080000
+#else
+# define _512K UINT32_C(0x00080000)
+#endif
+/** 1 M (Mega) (1 048 576). */
+#if ARCH_BITS != 16
+# define _1M 0x00100000
+#else
+# define _1M UINT32_C(0x00100000)
+#endif
+/** 2 M (Mega) (2 097 152). */
+#if ARCH_BITS != 16
+# define _2M 0x00200000
+#else
+# define _2M UINT32_C(0x00200000)
+#endif
+/** 4 M (Mega) (4 194 304). */
+#if ARCH_BITS != 16
+# define _4M 0x00400000
+#else
+# define _4M UINT32_C(0x00400000)
+#endif
+/** 8 M (Mega) (8 388 608). */
+#define _8M UINT32_C(0x00800000)
+/** 16 M (Mega) (16 777 216). */
+#define _16M UINT32_C(0x01000000)
+/** 32 M (Mega) (33 554 432). */
+#define _32M UINT32_C(0x02000000)
+/** 64 M (Mega) (67 108 864). */
+#define _64M UINT32_C(0x04000000)
+/** 128 M (Mega) (134 217 728). */
+#define _128M UINT32_C(0x08000000)
+/** 256 M (Mega) (268 435 456). */
+#define _256M UINT32_C(0x10000000)
+/** 512 M (Mega) (536 870 912). */
+#define _512M UINT32_C(0x20000000)
+/** 1 G (Giga) (1 073 741 824). (32-bit) */
+#if ARCH_BITS != 16
+# define _1G 0x40000000
+#else
+# define _1G UINT32_C(0x40000000)
+#endif
+/** 1 G (Giga) (1 073 741 824). (64-bit) */
+#if ARCH_BITS != 16
+# define _1G64 0x40000000LL
+#else
+# define _1G64 UINT64_C(0x40000000)
+#endif
+/** 2 G (Giga) (2 147 483 648). (32-bit) */
+#define _2G32 UINT32_C(0x80000000)
+/** 2 G (Giga) (2 147 483 648). (64-bit) */
+#if ARCH_BITS != 16
+# define _2G 0x0000000080000000LL
+#else
+# define _2G UINT64_C(0x0000000080000000)
+#endif
+/** 4 G (Giga) (4 294 967 296). */
+#if ARCH_BITS != 16
+# define _4G 0x0000000100000000LL
+#else
+# define _4G UINT64_C(0x0000000100000000)
+#endif
+/** 1 T (Tera) (1 099 511 627 776). */
+#if ARCH_BITS != 16
+# define _1T 0x0000010000000000LL
+#else
+# define _1T UINT64_C(0x0000010000000000)
+#endif
+/** 1 P (Peta) (1 125 899 906 842 624). */
+#if ARCH_BITS != 16
+# define _1P 0x0004000000000000LL
+#else
+# define _1P UINT64_C(0x0004000000000000)
+#endif
+/** 1 E (Exa) (1 152 921 504 606 846 976). */
+#if ARCH_BITS != 16
+# define _1E 0x1000000000000000LL
+#else
+# define _1E UINT64_C(0x1000000000000000)
+#endif
+/** 2 E (Exa) (2 305 843 009 213 693 952). */
+#if ARCH_BITS != 16
+# define _2E 0x2000000000000000ULL
+#else
+# define _2E UINT64_C(0x2000000000000000)
+#endif
+/** @} */
+
+/** @defgroup grp_rt_cdefs_decimal_grouping Decimal Constant Grouping Macros
+ * @{ */
+#define RT_D1(g1) g1
+#define RT_D2(g1, g2) g1#g2
+#define RT_D3(g1, g2, g3) g1#g2#g3
+#define RT_D4(g1, g2, g3, g4) g1#g2#g3#g4
+#define RT_D5(g1, g2, g3, g4, g5) g1#g2#g3#g4#g5
+#define RT_D6(g1, g2, g3, g4, g5, g6) g1#g2#g3#g4#g5#g6
+#define RT_D7(g1, g2, g3, g4, g5, g6, g7) g1#g2#g3#g4#g5#g6#g7
+
+#define RT_D1_U(g1) UINT32_C(g1)
+#define RT_D2_U(g1, g2) UINT32_C(g1#g2)
+#define RT_D3_U(g1, g2, g3) UINT32_C(g1#g2#g3)
+#define RT_D4_U(g1, g2, g3, g4) UINT64_C(g1#g2#g3#g4)
+#define RT_D5_U(g1, g2, g3, g4, g5) UINT64_C(g1#g2#g3#g4#g5)
+#define RT_D6_U(g1, g2, g3, g4, g5, g6) UINT64_C(g1#g2#g3#g4#g5#g6)
+#define RT_D7_U(g1, g2, g3, g4, g5, g6, g7) UINT64_C(g1#g2#g3#g4#g5#g6#g7)
+
+#define RT_D1_S(g1) INT32_C(g1)
+#define RT_D2_S(g1, g2) INT32_C(g1#g2)
+#define RT_D3_S(g1, g2, g3) INT32_C(g1#g2#g3)
+#define RT_D4_S(g1, g2, g3, g4) INT64_C(g1#g2#g3#g4)
+#define RT_D5_S(g1, g2, g3, g4, g5) INT64_C(g1#g2#g3#g4#g5)
+#define RT_D6_S(g1, g2, g3, g4, g5, g6) INT64_C(g1#g2#g3#g4#g5#g6)
+#define RT_D7_S(g1, g2, g3, g4, g5, g6, g7) INT64_C(g1#g2#g3#g4#g5#g6#g7)
+
+#define RT_D1_U32(g1) UINT32_C(g1)
+#define RT_D2_U32(g1, g2) UINT32_C(g1#g2)
+#define RT_D3_U32(g1, g2, g3) UINT32_C(g1#g2#g3)
+#define RT_D4_U32(g1, g2, g3, g4) UINT32_C(g1#g2#g3#g4)
+
+#define RT_D1_S32(g1) INT32_C(g1)
+#define RT_D2_S32(g1, g2) INT32_C(g1#g2)
+#define RT_D3_S32(g1, g2, g3) INT32_C(g1#g2#g3)
+#define RT_D4_S32(g1, g2, g3, g4) INT32_C(g1#g2#g3#g4)
+
+#define RT_D1_U64(g1) UINT64_C(g1)
+#define RT_D2_U64(g1, g2) UINT64_C(g1#g2)
+#define RT_D3_U64(g1, g2, g3) UINT64_C(g1#g2#g3)
+#define RT_D4_U64(g1, g2, g3, g4) UINT64_C(g1#g2#g3#g4)
+#define RT_D5_U64(g1, g2, g3, g4, g5) UINT64_C(g1#g2#g3#g4#g5)
+#define RT_D6_U64(g1, g2, g3, g4, g5, g6) UINT64_C(g1#g2#g3#g4#g5#g6)
+#define RT_D7_U64(g1, g2, g3, g4, g5, g6, g7) UINT64_C(g1#g2#g3#g4#g5#g6#g7)
+
+#define RT_D1_S64(g1) INT64_C(g1)
+#define RT_D2_S64(g1, g2) INT64_C(g1#g2)
+#define RT_D3_S64(g1, g2, g3) INT64_C(g1#g2#g3)
+#define RT_D4_S64(g1, g2, g3, g4) INT64_C(g1#g2#g3#g4)
+#define RT_D5_S64(g1, g2, g3, g4, g5) INT64_C(g1#g2#g3#g4#g5)
+#define RT_D6_S64(g1, g2, g3, g4, g5, g6) INT64_C(g1#g2#g3#g4#g5#g6)
+#define RT_D7_S64(g1, g2, g3, g4, g5, g6, g7) INT64_C(g1#g2#g3#g4#g5#g6#g7)
+/** @} */
+
+
+/** @defgroup grp_rt_cdefs_time Time Constants
+ * @{
+ */
+/** 1 week expressed in nanoseconds (64-bit). */
+#define RT_NS_1WEEK UINT64_C(604800000000000)
+/** 1 day expressed in nanoseconds (64-bit). */
+#define RT_NS_1DAY UINT64_C(86400000000000)
+/** 1 hour expressed in nanoseconds (64-bit). */
+#define RT_NS_1HOUR UINT64_C(3600000000000)
+/** 30 minutes expressed in nanoseconds (64-bit). */
+#define RT_NS_30MIN UINT64_C(1800000000000)
+/** 5 minutes expressed in nanoseconds (64-bit). */
+#define RT_NS_5MIN UINT64_C(300000000000)
+/** 1 minute expressed in nanoseconds (64-bit). */
+#define RT_NS_1MIN UINT64_C(60000000000)
+/** 45 seconds expressed in nanoseconds (64-bit). */
+#define RT_NS_45SEC UINT64_C(45000000000)
+/** 30 seconds expressed in nanoseconds (64-bit). */
+#define RT_NS_30SEC UINT64_C(30000000000)
+/** 20 seconds expressed in nanoseconds (64-bit). */
+#define RT_NS_20SEC UINT64_C(20000000000)
+/** 15 seconds expressed in nanoseconds (64-bit). */
+#define RT_NS_15SEC UINT64_C(15000000000)
+/** 10 seconds expressed in nanoseconds (64-bit). */
+#define RT_NS_10SEC UINT64_C(10000000000)
+/** 1 second expressed in nanoseconds. */
+#define RT_NS_1SEC UINT32_C(1000000000)
+/** 100 millsecond expressed in nanoseconds. */
+#define RT_NS_100MS UINT32_C(100000000)
+/** 10 millsecond expressed in nanoseconds. */
+#define RT_NS_10MS UINT32_C(10000000)
+/** 8 millsecond expressed in nanoseconds. */
+#define RT_NS_8MS UINT32_C(8000000)
+/** 2 millsecond expressed in nanoseconds. */
+#define RT_NS_2MS UINT32_C(2000000)
+/** 1 millsecond expressed in nanoseconds. */
+#define RT_NS_1MS UINT32_C(1000000)
+/** 100 microseconds expressed in nanoseconds. */
+#define RT_NS_100US UINT32_C(100000)
+/** 10 microseconds expressed in nanoseconds. */
+#define RT_NS_10US UINT32_C(10000)
+/** 1 microsecond expressed in nanoseconds. */
+#define RT_NS_1US UINT32_C(1000)
+
+/** 1 second expressed in nanoseconds - 64-bit type. */
+#define RT_NS_1SEC_64 UINT64_C(1000000000)
+/** 100 millsecond expressed in nanoseconds - 64-bit type. */
+#define RT_NS_100MS_64 UINT64_C(100000000)
+/** 10 millsecond expressed in nanoseconds - 64-bit type. */
+#define RT_NS_10MS_64 UINT64_C(10000000)
+/** 1 millsecond expressed in nanoseconds - 64-bit type. */
+#define RT_NS_1MS_64 UINT64_C(1000000)
+/** 100 microseconds expressed in nanoseconds - 64-bit type. */
+#define RT_NS_100US_64 UINT64_C(100000)
+/** 10 microseconds expressed in nanoseconds - 64-bit type. */
+#define RT_NS_10US_64 UINT64_C(10000)
+/** 1 microsecond expressed in nanoseconds - 64-bit type. */
+#define RT_NS_1US_64 UINT64_C(1000)
+
+/** 1 week expressed in microseconds (64-bit). */
+#define RT_US_1WEEK UINT64_C(604800000000)
+/** 1 day expressed in microseconds (64-bit). */
+#define RT_US_1DAY UINT64_C(86400000000)
+/** 1 hour expressed in microseconds. */
+#define RT_US_1HOUR UINT32_C(3600000000)
+/** 30 minutes expressed in microseconds. */
+#define RT_US_30MIN UINT32_C(1800000000)
+/** 5 minutes expressed in microseconds. */
+#define RT_US_5MIN UINT32_C(300000000)
+/** 1 minute expressed in microseconds. */
+#define RT_US_1MIN UINT32_C(60000000)
+/** 45 seconds expressed in microseconds. */
+#define RT_US_45SEC UINT32_C(45000000)
+/** 30 seconds expressed in microseconds. */
+#define RT_US_30SEC UINT32_C(30000000)
+/** 20 seconds expressed in microseconds. */
+#define RT_US_20SEC UINT32_C(20000000)
+/** 15 seconds expressed in microseconds. */
+#define RT_US_15SEC UINT32_C(15000000)
+/** 10 seconds expressed in microseconds. */
+#define RT_US_10SEC UINT32_C(10000000)
+/** 5 seconds expressed in microseconds. */
+#define RT_US_5SEC UINT32_C(5000000)
+/** 1 second expressed in microseconds. */
+#define RT_US_1SEC UINT32_C(1000000)
+/** 100 millsecond expressed in microseconds. */
+#define RT_US_100MS UINT32_C(100000)
+/** 10 millsecond expressed in microseconds. */
+#define RT_US_10MS UINT32_C(10000)
+/** 1 millsecond expressed in microseconds. */
+#define RT_US_1MS UINT32_C(1000)
+
+/** 1 hour expressed in microseconds - 64-bit type. */
+#define RT_US_1HOUR_64 UINT64_C(3600000000)
+/** 30 minutes expressed in microseconds - 64-bit type. */
+#define RT_US_30MIN_64 UINT64_C(1800000000)
+/** 5 minutes expressed in microseconds - 64-bit type. */
+#define RT_US_5MIN_64 UINT64_C(300000000)
+/** 1 minute expressed in microseconds - 64-bit type. */
+#define RT_US_1MIN_64 UINT64_C(60000000)
+/** 45 seconds expressed in microseconds - 64-bit type. */
+#define RT_US_45SEC_64 UINT64_C(45000000)
+/** 30 seconds expressed in microseconds - 64-bit type. */
+#define RT_US_30SEC_64 UINT64_C(30000000)
+/** 20 seconds expressed in microseconds - 64-bit type. */
+#define RT_US_20SEC_64 UINT64_C(20000000)
+/** 15 seconds expressed in microseconds - 64-bit type. */
+#define RT_US_15SEC_64 UINT64_C(15000000)
+/** 10 seconds expressed in microseconds - 64-bit type. */
+#define RT_US_10SEC_64 UINT64_C(10000000)
+/** 5 seconds expressed in microseconds - 64-bit type. */
+#define RT_US_5SEC_64 UINT64_C(5000000)
+/** 1 second expressed in microseconds - 64-bit type. */
+#define RT_US_1SEC_64 UINT64_C(1000000)
+/** 100 millsecond expressed in microseconds - 64-bit type. */
+#define RT_US_100MS_64 UINT64_C(100000)
+/** 10 millsecond expressed in microseconds - 64-bit type. */
+#define RT_US_10MS_64 UINT64_C(10000)
+/** 1 millsecond expressed in microseconds - 64-bit type. */
+#define RT_US_1MS_64 UINT64_C(1000)
+
+/** 1 week expressed in milliseconds. */
+#define RT_MS_1WEEK UINT32_C(604800000)
+/** 1 day expressed in milliseconds. */
+#define RT_MS_1DAY UINT32_C(86400000)
+/** 1 hour expressed in milliseconds. */
+#define RT_MS_1HOUR UINT32_C(3600000)
+/** 30 minutes expressed in milliseconds. */
+#define RT_MS_30MIN UINT32_C(1800000)
+/** 5 minutes expressed in milliseconds. */
+#define RT_MS_5MIN UINT32_C(300000)
+/** 1 minute expressed in milliseconds. */
+#define RT_MS_1MIN UINT32_C(60000)
+/** 45 seconds expressed in milliseconds. */
+#define RT_MS_45SEC UINT32_C(45000)
+/** 30 seconds expressed in milliseconds. */
+#define RT_MS_30SEC UINT32_C(30000)
+/** 20 seconds expressed in milliseconds. */
+#define RT_MS_20SEC UINT32_C(20000)
+/** 15 seconds expressed in milliseconds. */
+#define RT_MS_15SEC UINT32_C(15000)
+/** 10 seconds expressed in milliseconds. */
+#define RT_MS_10SEC UINT32_C(10000)
+/** 5 seconds expressed in milliseconds. */
+#define RT_MS_5SEC UINT32_C(5000)
+/** 1 second expressed in milliseconds. */
+#define RT_MS_1SEC UINT32_C(1000)
+
+/** 1 week expressed in milliseconds - 64-bit type. */
+#define RT_MS_1WEEK_64 UINT64_C(604800000)
+/** 1 day expressed in milliseconds - 64-bit type. */
+#define RT_MS_1DAY_64 UINT64_C(86400000)
+/** 1 hour expressed in milliseconds - 64-bit type. */
+#define RT_MS_1HOUR_64 UINT64_C(3600000)
+/** 30 minutes expressed in milliseconds - 64-bit type. */
+#define RT_MS_30MIN_64 UINT64_C(1800000)
+/** 5 minutes expressed in milliseconds - 64-bit type. */
+#define RT_MS_5MIN_64 UINT64_C(300000)
+/** 1 minute expressed in milliseconds - 64-bit type. */
+#define RT_MS_1MIN_64 UINT64_C(60000)
+/** 45 seconds expressed in milliseconds - 64-bit type. */
+#define RT_MS_45SEC_64 UINT64_C(45000)
+/** 30 seconds expressed in milliseconds - 64-bit type. */
+#define RT_MS_30SEC_64 UINT64_C(30000)
+/** 20 seconds expressed in milliseconds - 64-bit type. */
+#define RT_MS_20SEC_64 UINT64_C(20000)
+/** 15 seconds expressed in milliseconds - 64-bit type. */
+#define RT_MS_15SEC_64 UINT64_C(15000)
+/** 10 seconds expressed in milliseconds - 64-bit type. */
+#define RT_MS_10SEC_64 UINT64_C(10000)
+/** 5 seconds expressed in milliseconds - 64-bit type. */
+#define RT_MS_5SEC_64 UINT64_C(5000)
+/** 1 second expressed in milliseconds - 64-bit type. */
+#define RT_MS_1SEC_64 UINT64_C(1000)
+
+/** The number of seconds per week. */
+#define RT_SEC_1WEEK UINT32_C(604800)
+/** The number of seconds per day. */
+#define RT_SEC_1DAY UINT32_C(86400)
+/** The number of seconds per hour. */
+#define RT_SEC_1HOUR UINT32_C(3600)
+
+/** The number of seconds per week - 64-bit type. */
+#define RT_SEC_1WEEK_64 UINT64_C(604800)
+/** The number of seconds per day - 64-bit type. */
+#define RT_SEC_1DAY_64 UINT64_C(86400)
+/** The number of seconds per hour - 64-bit type. */
+#define RT_SEC_1HOUR_64 UINT64_C(3600)
+/** @} */
+
+
+/** @defgroup grp_rt_cdefs_dbgtype Debug Info Types
+ * @{ */
+/** Other format. */
+#define RT_DBGTYPE_OTHER RT_BIT_32(0)
+/** Stabs. */
+#define RT_DBGTYPE_STABS RT_BIT_32(1)
+/** Debug With Arbitrary Record Format (DWARF). */
+#define RT_DBGTYPE_DWARF RT_BIT_32(2)
+/** Microsoft Codeview debug info. */
+#define RT_DBGTYPE_CODEVIEW RT_BIT_32(3)
+/** Watcom debug info. */
+#define RT_DBGTYPE_WATCOM RT_BIT_32(4)
+/** IBM High Level Language debug info. */
+#define RT_DBGTYPE_HLL RT_BIT_32(5)
+/** Old OS/2 and Windows symbol file. */
+#define RT_DBGTYPE_SYM RT_BIT_32(6)
+/** Map file. */
+#define RT_DBGTYPE_MAP RT_BIT_32(7)
+/** @} */
+
+
+/** @defgroup grp_rt_cdefs_exetype Executable Image Types
+ * @{ */
+/** Some other format. */
+#define RT_EXETYPE_OTHER RT_BIT_32(0)
+/** Portable Executable. */
+#define RT_EXETYPE_PE RT_BIT_32(1)
+/** Linear eXecutable. */
+#define RT_EXETYPE_LX RT_BIT_32(2)
+/** Linear Executable. */
+#define RT_EXETYPE_LE RT_BIT_32(3)
+/** New Executable. */
+#define RT_EXETYPE_NE RT_BIT_32(4)
+/** DOS Executable (Mark Zbikowski). */
+#define RT_EXETYPE_MZ RT_BIT_32(5)
+/** COM Executable. */
+#define RT_EXETYPE_COM RT_BIT_32(6)
+/** a.out Executable. */
+#define RT_EXETYPE_AOUT RT_BIT_32(7)
+/** Executable and Linkable Format. */
+#define RT_EXETYPE_ELF RT_BIT_32(8)
+/** Mach-O Executable (including FAT ones). */
+#define RT_EXETYPE_MACHO RT_BIT_32(9)
+/** TE from UEFI. */
+#define RT_EXETYPE_TE RT_BIT_32(9)
+/** @} */
+
+
+/** @def RT_VALID_PTR
+ * Pointer validation macro.
+ * @param ptr The pointer.
+ */
+#if defined(RT_ARCH_AMD64)
+# ifdef IN_RING3
+# if defined(RT_OS_DARWIN) /* first 4GB is reserved for legacy kernel. */
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) >= _4G \
+ && !((uintptr_t)(ptr) & 0xffff800000000000ULL) )
+# elif defined(RT_OS_SOLARIS) /* The kernel only used the top 2TB, but keep it simple. */
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x1000U >= 0x2000U \
+ && ( ((uintptr_t)(ptr) & 0xffff800000000000ULL) == 0xffff800000000000ULL \
+ || ((uintptr_t)(ptr) & 0xffff800000000000ULL) == 0) )
+# elif defined(RT_OS_LINUX) /* May use 5-level paging (see Documentation/x86/x86_64/mm.rst). */
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) >= 0x1000U /* one invalid page at the bottom */ \
+ && !((uintptr_t)(ptr) & 0xff00000000000000ULL) )
+# else
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) >= 0x1000U \
+ && !((uintptr_t)(ptr) & 0xffff800000000000ULL) )
+# endif
+# else /* !IN_RING3 */
+# if defined(RT_OS_LINUX) /* May use 5-level paging (see Documentation/x86/x86_64/mm.rst). */
+# if 1 /* User address are no longer considered valid in kernel mode (SMAP, etc). */
+# define RT_VALID_PTR(ptr) ((uintptr_t)(ptr) - 0xff00000000000000ULL < 0x00ffffffffe00000ULL) /* 2MB invalid space at the top */
+# else
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x200000 >= 0x201000U /* one invalid page at the bottom and 2MB at the top */ \
+ && ( ((uintptr_t)(ptr) & 0xff00000000000000ULL) == 0xff00000000000000ULL \
+ || ((uintptr_t)(ptr) & 0xff00000000000000ULL) == 0) )
+# endif
+# else
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x1000U >= 0x2000U \
+ && ( ((uintptr_t)(ptr) & 0xffff800000000000ULL) == 0xffff800000000000ULL \
+ || ((uintptr_t)(ptr) & 0xffff800000000000ULL) == 0) )
+# endif
+# endif /* !IN_RING3 */
+
+#elif defined(RT_ARCH_X86)
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x1000U >= 0x2000U )
+
+#elif defined(RT_ARCH_SPARC64)
+# ifdef IN_RING3
+# if defined(RT_OS_SOLARIS)
+/** Sparc64 user mode: According to Figure 9.4 in solaris internals */
+/** @todo # define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x80004000U >= 0x80004000U + 0x100000000ULL ) - figure this. */
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x80000000U >= 0x80000000U + 0x100000000ULL )
+# else
+# error "Port me"
+# endif
+# else /* !IN_RING3 */
+# if defined(RT_OS_SOLARIS)
+/** @todo Sparc64 kernel mode: This is according to Figure 11.1 in solaris
+ * internals. Verify in sources. */
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) >= 0x01000000U )
+# else
+# error "Port me"
+# endif
+# endif /* !IN_RING3 */
+
+#elif defined(RT_ARCH_SPARC)
+# ifdef IN_RING3
+# ifdef RT_OS_SOLARIS
+/** Sparc user mode: According to
+ * http://cvs.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/sun4/os/startup.c#510 */
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x400000U >= 0x400000U + 0x2000U )
+
+# else
+# error "Port me"
+# endif
+# else /* !IN_RING3 */
+# ifdef RT_OS_SOLARIS
+/** @todo Sparc kernel mode: Check the sources! */
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x1000U >= 0x2000U )
+# else
+# error "Port me"
+# endif
+# endif /* !IN_RING3 */
+
+#elif defined(RT_ARCH_ARM32) || defined(RT_ARCH_ARM64)
+/* ASSUMES that at least the last and first 4K are out of bounds. */
+# define RT_VALID_PTR(ptr) ( (uintptr_t)(ptr) + 0x1000U >= 0x2000U )
+
+#else
+# error "Architecture identifier missing / not implemented."
+#endif
+
+/** @def RT_VALID_ALIGNED_PTR
+ * Pointer validation macro that also checks the alignment.
+ * @param ptr The pointer.
+ * @param align The alignment, must be a power of two.
+ */
+#define RT_VALID_ALIGNED_PTR(ptr, align) \
+ ( !((uintptr_t)(ptr) & (uintptr_t)((align) - 1)) \
+ && RT_VALID_PTR(ptr) )
+
+
+/** @def VALID_PHYS32
+ * 32 bits physical address validation macro.
+ * @param Phys The RTGCPHYS address.
+ */
+#define VALID_PHYS32(Phys) ( (uint64_t)(Phys) < (uint64_t)_4G )
+
+/** @def N_
+ * The \#define N_ is used to mark a string for translation. This is usable in
+ * any part of the code, as it is only used by the tools that create message
+ * catalogs. This macro is a no-op as far as the compiler and code generation
+ * is concerned.
+ *
+ * If you want to both mark a string for translation and translate it, use _().
+ */
+#define N_(s) (s)
+
+/** @def _
+ * The \#define _ is used to mark a string for translation and to translate it
+ * in one step.
+ *
+ * If you want to only mark a string for translation, use N_().
+ */
+#define _(s) gettext(s)
+
+
+#if (!defined(__GNUC__) && !defined(__PRETTY_FUNCTION__)) || defined(DOXYGEN_RUNNING)
+# if defined(_MSC_VER) || defined(DOXYGEN_RUNNING)
+/** With GNU C we'd like to use the builtin __PRETTY_FUNCTION__, so define that
+ * for the other compilers. */
+# define __PRETTY_FUNCTION__ __FUNCSIG__
+# else
+# define __PRETTY_FUNCTION__ __FUNCTION__
+# endif
+#endif
+
+
+/** @def RT_STRICT
+ * The \#define RT_STRICT controls whether or not assertions and other runtime
+ * checks should be compiled in or not. This is defined when DEBUG is defined.
+ * If RT_NO_STRICT is defined, it will unconditionally be undefined.
+ *
+ * If you want assertions which are not subject to compile time options use
+ * the AssertRelease*() flavors.
+ */
+#if !defined(RT_STRICT) && defined(DEBUG)
+# define RT_STRICT
+#endif
+#ifdef RT_NO_STRICT
+# undef RT_STRICT
+#endif
+
+/** @todo remove this: */
+#if !defined(RT_LOCK_STRICT) && !defined(DEBUG_bird)
+# define RT_LOCK_NO_STRICT
+#endif
+#if !defined(RT_LOCK_STRICT_ORDER) && !defined(DEBUG_bird)
+# define RT_LOCK_NO_STRICT_ORDER
+#endif
+
+/** @def RT_LOCK_STRICT
+ * The \#define RT_LOCK_STRICT controls whether deadlock detection and related
+ * checks are done in the lock and semaphore code. It is by default enabled in
+ * RT_STRICT builds, but this behavior can be overridden by defining
+ * RT_LOCK_NO_STRICT. */
+#if !defined(RT_LOCK_STRICT) && !defined(RT_LOCK_NO_STRICT) && defined(RT_STRICT)
+# define RT_LOCK_STRICT
+#endif
+/** @def RT_LOCK_NO_STRICT
+ * The \#define RT_LOCK_NO_STRICT disables RT_LOCK_STRICT. */
+#if defined(RT_LOCK_NO_STRICT) && defined(RT_LOCK_STRICT)
+# undef RT_LOCK_STRICT
+#endif
+
+/** @def RT_LOCK_STRICT_ORDER
+ * The \#define RT_LOCK_STRICT_ORDER controls whether locking order is checked
+ * by the lock and semaphore code. It is by default enabled in RT_STRICT
+ * builds, but this behavior can be overridden by defining
+ * RT_LOCK_NO_STRICT_ORDER. */
+#if !defined(RT_LOCK_STRICT_ORDER) && !defined(RT_LOCK_NO_STRICT_ORDER) && defined(RT_STRICT)
+# define RT_LOCK_STRICT_ORDER
+#endif
+/** @def RT_LOCK_NO_STRICT_ORDER
+ * The \#define RT_LOCK_NO_STRICT_ORDER disables RT_LOCK_STRICT_ORDER. */
+#if defined(RT_LOCK_NO_STRICT_ORDER) && defined(RT_LOCK_STRICT_ORDER)
+# undef RT_LOCK_STRICT_ORDER
+#endif
+
+
+/** Source position. */
+#define RT_SRC_POS __FILE__, __LINE__, RT_GCC_EXTENSION __PRETTY_FUNCTION__
+
+/** Source position declaration. */
+#define RT_SRC_POS_DECL const char *pszFile, unsigned iLine, const char *pszFunction
+
+/** Source position arguments. */
+#define RT_SRC_POS_ARGS pszFile, iLine, pszFunction
+
+/** Applies NOREF() to the source position arguments. */
+#define RT_SRC_POS_NOREF() do { NOREF(pszFile); NOREF(iLine); NOREF(pszFunction); } while (0)
+
+
+/** @def RT_INLINE_ASM_EXTERNAL
+ * Defined as 1 if the compiler does not support inline assembly.
+ * The ASM* functions will then be implemented in external .asm files.
+ */
+#if (defined(_MSC_VER) && defined(RT_ARCH_AMD64)) \
+ || (!defined(RT_ARCH_AMD64) && !defined(RT_ARCH_X86) && !defined(RT_ARCH_ARM64) && !defined(RT_ARCH_ARM32)) \
+ || defined(__WATCOMC__)
+# define RT_INLINE_ASM_EXTERNAL 1
+#else
+# define RT_INLINE_ASM_EXTERNAL 0
+#endif
+
+/** @def RT_INLINE_ASM_GNU_STYLE
+ * Defined as 1 if the compiler understands GNU style inline assembly.
+ */
+#if defined(_MSC_VER) || defined(__WATCOMC__)
+# define RT_INLINE_ASM_GNU_STYLE 0
+#else
+# define RT_INLINE_ASM_GNU_STYLE 1
+#endif
+
+/** @def RT_INLINE_ASM_USES_INTRIN
+ * Defined as one of the RT_MSC_VER_XXX MSC version values if the compiler have
+ * and uses intrin.h. Otherwise it is 0. */
+#ifdef _MSC_VER
+# if _MSC_VER >= RT_MSC_VER_VS2019 /* Visual C++ v14.2 */
+# define RT_INLINE_ASM_USES_INTRIN RT_MSC_VER_VS2019
+# elif _MSC_VER >= RT_MSC_VER_VS2017 /* Visual C++ v14.1 */
+# define RT_INLINE_ASM_USES_INTRIN RT_MSC_VER_VS2017
+# elif _MSC_VER >= RT_MSC_VER_VS2015 /* Visual C++ v14.0 */
+# define RT_INLINE_ASM_USES_INTRIN RT_MSC_VER_VS2015
+# elif _MSC_VER >= RT_MSC_VER_VS2013 /* Visual C++ v12.0 */
+# define RT_INLINE_ASM_USES_INTRIN RT_MSC_VER_VS2013
+# elif _MSC_VER >= RT_MSC_VER_VS2012 /* Visual C++ v11.0 */
+# define RT_INLINE_ASM_USES_INTRIN RT_MSC_VER_VS2012
+# elif _MSC_VER >= RT_MSC_VER_VS2010 /* Visual C++ v10.0 */
+# define RT_INLINE_ASM_USES_INTRIN RT_MSC_VER_VS2010
+# elif _MSC_VER >= RT_MSC_VER_VS2008 /* Visual C++ v9.0 */
+# define RT_INLINE_ASM_USES_INTRIN RT_MSC_VER_VS2008
+# elif _MSC_VER >= RT_MSC_VER_VS2005 /* Visual C++ v8.0 */
+# define RT_INLINE_ASM_USES_INTRIN RT_MSC_VER_VS2005
+# endif
+#endif
+#ifndef RT_INLINE_ASM_USES_INTRIN
+# define RT_INLINE_ASM_USES_INTRIN 0
+#endif
+
+#define RT_MSC_VER_VS2012 (1700) /**< Visual Studio 2012. */
+#define RT_MSC_VER_VC110 RT_MSC_VER_VS2012 /**< Visual C++ 11.0, aka Visual Studio 2012. */
+#define RT_MSC_VER_VS2013 (1800) /**< Visual Studio 2013. */
+#define RT_MSC_VER_VC120 RT_MSC_VER_VS2013 /**< Visual C++ 12.0, aka Visual Studio 2013. */
+#define RT_MSC_VER_VS2015 (1900) /**< Visual Studio 2015. */
+#define RT_MSC_VER_VC140 RT_MSC_VER_VS2015 /**< Visual C++ 14.0, aka Visual Studio 2015. */
+#define RT_MSC_VER_VS2017 (1910) /**< Visual Studio 2017. */
+#define RT_MSC_VER_VC141 RT_MSC_VER_VS2017 /**< Visual C++ 14.1, aka Visual Studio 2017. */
+#define RT_MSC_VER_VS2019 (1920) /**< Visual Studio 2017. */
+#define RT_MSC_VER_VC142 RT_MSC_VER_VS2019 /**< Visual C++ 14.2, aka Visual Studio 2019. */
+
+/** @def RT_COMPILER_SUPPORTS_LAMBDA
+ * If the defined, the compiler supports lambda expressions. These expressions
+ * are useful for embedding assertions and type checks into macros. */
+#if defined(_MSC_VER) && defined(__cplusplus)
+# if _MSC_VER >= 1600 /* Visual C++ v10.0 / 2010 */
+# define RT_COMPILER_SUPPORTS_LAMBDA
+# endif
+#elif defined(__GNUC__) && defined(__cplusplus)
+/* 4.5 or later, I think, if in ++11 mode... */
+#endif
+
+/** @def RT_DATA_IS_FAR
+ * Set to 1 if we're in 16-bit mode and use far pointers.
+ */
+#if ARCH_BITS == 16 && defined(__WATCOMC__) \
+ && (defined(__COMPACT__) || defined(__LARGE__))
+# define RT_DATA_IS_FAR 1
+#else
+# define RT_DATA_IS_FAR 0
+#endif
+
+/** @def RT_FAR
+ * For indicating far pointers in 16-bit code.
+ * Does nothing in 32-bit and 64-bit code. */
+/** @def RT_NEAR
+ * For indicating near pointers in 16-bit code.
+ * Does nothing in 32-bit and 64-bit code. */
+/** @def RT_FAR_CODE
+ * For indicating far 16-bit functions.
+ * Does nothing in 32-bit and 64-bit code. */
+/** @def RT_NEAR_CODE
+ * For indicating near 16-bit functions.
+ * Does nothing in 32-bit and 64-bit code. */
+/** @def RT_FAR_DATA
+ * For indicating far 16-bit external data, i.e. in a segment other than DATA16.
+ * Does nothing in 32-bit and 64-bit code. */
+#if ARCH_BITS == 16
+# define RT_FAR __far
+# define RT_NEAR __near
+# define RT_FAR_CODE __far
+# define RT_NEAR_CODE __near
+# define RT_FAR_DATA __far
+#else
+# define RT_FAR
+# define RT_NEAR
+# define RT_FAR_CODE
+# define RT_NEAR_CODE
+# define RT_FAR_DATA
+#endif
+
+
+/** @} */
+
+
+/** @defgroup grp_rt_cdefs_cpp Special Macros for C++
+ * @ingroup grp_rt_cdefs
+ * @{
+ */
+
+#ifdef __cplusplus
+
+/** @def DECLEXPORT_CLASS
+ * How to declare an exported class. Place this macro after the 'class'
+ * keyword in the declaration of every class you want to export.
+ *
+ * @note It is necessary to use this macro even for inner classes declared
+ * inside the already exported classes. This is a GCC specific requirement,
+ * but it seems not to harm other compilers.
+ */
+#if defined(_MSC_VER) || defined(RT_OS_OS2)
+# define DECLEXPORT_CLASS __declspec(dllexport)
+#elif defined(RT_USE_VISIBILITY_DEFAULT)
+# define DECLEXPORT_CLASS __attribute__((visibility("default")))
+#else
+# define DECLEXPORT_CLASS
+#endif
+
+/** @def DECLIMPORT_CLASS
+ * How to declare an imported class Place this macro after the 'class'
+ * keyword in the declaration of every class you want to export.
+ *
+ * @note It is necessary to use this macro even for inner classes declared
+ * inside the already exported classes. This is a GCC specific requirement,
+ * but it seems not to harm other compilers.
+ */
+#if defined(_MSC_VER) || (defined(RT_OS_OS2) && !defined(__IBMC__) && !defined(__IBMCPP__))
+# define DECLIMPORT_CLASS __declspec(dllimport)
+#elif defined(RT_USE_VISIBILITY_DEFAULT)
+# define DECLIMPORT_CLASS __attribute__((visibility("default")))
+#else
+# define DECLIMPORT_CLASS
+#endif
+
+/** @def WORKAROUND_MSVC7_ERROR_C2593_FOR_BOOL_OP
+ * Macro to work around error C2593 of the not-so-smart MSVC 7.x ambiguity
+ * resolver. The following snippet clearly demonstrates the code causing this
+ * error:
+ * @code
+ * class A
+ * {
+ * public:
+ * operator bool() const { return false; }
+ * operator int*() const { return NULL; }
+ * };
+ * int main()
+ * {
+ * A a;
+ * if (!a);
+ * if (a && 0);
+ * return 0;
+ * }
+ * @endcode
+ * The code itself seems pretty valid to me and GCC thinks the same.
+ *
+ * This macro fixes the compiler error by explicitly overloading implicit
+ * global operators !, && and || that take the given class instance as one of
+ * their arguments.
+ *
+ * The best is to use this macro right after the class declaration.
+ *
+ * @note The macro expands to nothing for compilers other than MSVC.
+ *
+ * @param Cls Class to apply the workaround to
+ */
+#if defined(_MSC_VER)
+# define WORKAROUND_MSVC7_ERROR_C2593_FOR_BOOL_OP(Cls) \
+ inline bool operator! (const Cls &that) { return !bool (that); } \
+ inline bool operator&& (const Cls &that, bool b) { return bool (that) && b; } \
+ inline bool operator|| (const Cls &that, bool b) { return bool (that) || b; } \
+ inline bool operator&& (bool b, const Cls &that) { return b && bool (that); } \
+ inline bool operator|| (bool b, const Cls &that) { return b || bool (that); }
+#else
+# define WORKAROUND_MSVC7_ERROR_C2593_FOR_BOOL_OP(Cls)
+#endif
+
+/** @def WORKAROUND_MSVC7_ERROR_C2593_FOR_BOOL_OP_TPL
+ * Version of WORKAROUND_MSVC7_ERROR_C2593_FOR_BOOL_OP for template classes.
+ *
+ * @param Tpl Name of the template class to apply the workaround to
+ * @param ArgsDecl arguments of the template, as declared in |<>| after the
+ * |template| keyword, including |<>|
+ * @param Args arguments of the template, as specified in |<>| after the
+ * template class name when using the, including |<>|
+ *
+ * Example:
+ * @code
+ * // template class declaration
+ * template <class C>
+ * class Foo { ... };
+ * // applied workaround
+ * WORKAROUND_MSVC7_ERROR_C2593_FOR_BOOL_OP_TPL (Foo, <class C>, <C>)
+ * @endcode
+ */
+#if defined(_MSC_VER)
+# define WORKAROUND_MSVC7_ERROR_C2593_FOR_BOOL_OP_TPL(Tpl, ArgsDecl, Args) \
+ template ArgsDecl \
+ inline bool operator! (const Tpl Args &that) { return !bool (that); } \
+ template ArgsDecl \
+ inline bool operator&& (const Tpl Args &that, bool b) { return bool (that) && b; } \
+ template ArgsDecl \
+ inline bool operator|| (const Tpl Args &that, bool b) { return bool (that) || b; } \
+ template ArgsDecl \
+ inline bool operator&& (bool b, const Tpl Args &that) { return b && bool (that); } \
+ template ArgsDecl \
+ inline bool operator|| (bool b, const Tpl Args &that) { return b || bool (that); }
+#else
+# define WORKAROUND_MSVC7_ERROR_C2593_FOR_BOOL_OP_TPL(Tpl, ArgsDecl, Args)
+#endif
+
+
+/** @def DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP
+ * Declares the copy constructor and the assignment operation as inlined no-ops
+ * (non-existent functions) for the given class. Use this macro inside the
+ * private section if you want to effectively disable these operations for your
+ * class.
+ *
+ * @param Cls class name to declare for
+ */
+#define DECLARE_CLS_COPY_CTOR_ASSIGN_NOOP(Cls) \
+ inline Cls(const Cls &); \
+ inline Cls &operator= (const Cls &)
+
+
+/** @def DECLARE_CLS_NEW_DELETE_NOOP
+ * Declares the new and delete operations as no-ops (non-existent functions)
+ * for the given class. Use this macro inside the private section if you want
+ * to effectively limit creating class instances on the stack only.
+ *
+ * @note The destructor of the given class must not be virtual, otherwise a
+ * compile time error will occur. Note that this is not a drawback: having
+ * the virtual destructor for a stack-based class is absolutely useless
+ * (the real class of the stack-based instance is always known to the compiler
+ * at compile time, so it will always call the correct destructor).
+ *
+ * @param Cls class name to declare for
+ */
+#define DECLARE_CLS_NEW_DELETE_NOOP(Cls) \
+ inline static void *operator new (size_t); \
+ inline static void operator delete (void *)
+
+#endif /* __cplusplus */
+
+/** @} */
+
+#endif /* !IPRT_INCLUDED_cdefs_h */
+