Adding upstream version 2.9.0dev.12.upstream/2.9.0dev.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 847 insertions, 0 deletions

diff --git a/WWW/Library/Implementation/HTUtils.h b/WWW/Library/Implementation/HTUtils.h
new file mode 100644
index 0000000..d01d0dd
--- /dev/null
+++ b/WWW/Library/Implementation/HTUtils.h
@@ -0,0 +1,847 @@
+/*
+ * $LynxId: HTUtils.h,v 1.134 2021/06/29 22:01:12 tom Exp $
+ *
+ * Utility macros for the W3 code library
+ * MACROS FOR GENERAL USE
+ * 
+ * See also:  the system dependent file "www_tcp.h", which is included here.
+ */
+
+#ifndef NO_LYNX_TRACE
+#define DEBUG			/* Turns on trace; turn off for smaller binary */
+#endif
+
+#ifndef HTUTILS_H
+#define HTUTILS_H
+
+#ifdef HAVE_CONFIG_H
+#include <lynx_cfg.h>		/* generated by autoconf 'configure' script */
+
+#ifdef HAVE_STDNORETURN_H
+#include <stdnoreturn.h>
+#undef GCC_NORETURN
+#define GCC_NORETURN _Noreturn
+#endif
+
+/* see AC_FUNC_ALLOCA macro */
+#ifdef __GNUC__
+# define alloca(size) __builtin_alloca(size)
+#else
+# ifdef _MSC_VER
+#  include <malloc.h>
+#  ifndef alloca
+#   define alloca(size) _alloca(size)
+#  endif
+# else
+#  if HAVE_ALLOCA_H
+#   include <alloca.h>
+#  else
+#   ifdef _AIX
+#pragma alloca
+#   else
+#    ifndef alloca		/* predefined by HP cc +Olibcalls */
+char *alloca();
+
+#    endif
+#   endif
+#  endif
+# endif
+#endif
+
+#include <sys/types.h>
+#include <stdio.h>
+
+#else /* HAVE_CONFIG_H */
+
+#ifdef DJGPP
+#include <sys/config.h>		/* pseudo-autoconf values for DJGPP libc/headers */
+#define HAVE_TRUNCATE 1
+#define HAVE_ALLOCA 1
+#include <limits.h>
+#endif /* DJGPP */
+
+#include <sys/types.h>
+#include <stdio.h>
+
+/* Explicit system-configure */
+#ifdef VMS
+#define NO_SIZECHANGE
+
+#if defined(VAXC) && !defined(__DECC)
+#define NO_UNISTD_H		/* DEC C has unistd.h, but not VAX C */
+#endif
+
+#define NO_KEYPAD
+#define NO_UTMP
+
+#undef NO_FILIO_H
+#define NO_FILIO_H
+
+#define NOUSERS
+#define DISP_PARTIAL		/* experimental */
+#endif
+
+#if defined(VMS) || defined(_WINDOWS)
+#define HAVE_STDLIB_H 1
+#endif
+
+/* Accommodate non-autoconf'd Makefile's (VMS, DJGPP, etc) */
+
+#ifndef NO_ARPA_INET_H
+#define HAVE_ARPA_INET_H 1
+#endif
+
+#ifndef NO_CBREAK
+#define HAVE_CBREAK 1
+#endif
+
+#ifndef NO_CUSERID
+#define HAVE_CUSERID 1
+#endif
+
+#ifndef NO_FILIO_H
+#define HAVE_SYS_FILIO_H 1
+#endif
+
+#ifndef NO_GETCWD
+#define HAVE_GETCWD 1
+#endif
+
+#ifndef USE_SLANG
+#ifndef NO_KEYPAD
+#define HAVE_KEYPAD 1
+#endif
+#ifndef NO_TTYTYPE
+#define HAVE_TTYTYPE 1
+#endif
+#endif /* USE_SLANG */
+
+#ifndef NO_PUTENV
+#define HAVE_PUTENV 1
+#endif
+
+#ifndef NO_SIZECHANGE
+#define HAVE_SIZECHANGE 1
+#endif
+
+#ifndef NO_UNISTD_H
+#undef  HAVE_UNISTD_H
+#define HAVE_UNISTD_H 1
+#endif
+
+#ifndef NO_UTMP
+#define HAVE_UTMP 1
+#endif
+
+#endif /* HAVE_CONFIG_H */
+
+#include <assert.h>
+
+/* suppress inadvertent use of gettext in makeuctb when cross-compiling */
+#ifdef DONT_USE_GETTEXT
+#undef HAVE_GETTEXT
+#undef HAVE_LIBGETTEXT_H
+#undef HAVE_LIBINTL_H
+#endif
+
+#ifndef HAVE_ICONV
+#undef USE_JAPANESEUTF8_SUPPORT
+#endif
+
+#ifndef lynx_srand
+#define lynx_srand srand
+#endif
+
+#ifndef lynx_rand
+#define lynx_rand rand
+#endif
+
+#if '0' != 48
+#define NOT_ASCII
+#endif
+
+#if '0' == 240
+#define EBCDIC
+#endif
+
+#ifndef LY_MAXPATH
+#define LY_MAXPATH 256
+#endif
+
+#ifndef GCC_NORETURN
+#define GCC_NORETURN		/* nothing */
+#endif
+
+#ifndef GCC_UNUSED
+#define GCC_UNUSED		/* nothing */
+#endif
+
+#if defined(__GNUC__) && defined(_FORTIFY_SOURCE)
+#define USE_IGNORE_RC
+extern int ignore_unused;
+
+#define IGNORE_RC(func) ignore_unused = (int) func
+#else
+#define IGNORE_RC(func) (void) func
+#endif /* gcc workarounds */
+
+#if defined(__CYGWIN32__) && ! defined(__CYGWIN__)
+#define __CYGWIN__ 1
+#endif
+
+#if defined(__CYGWIN__)		/* 1998/12/31 (Thu) 16:13:46 */
+#ifdef USE_OPENSSL_INCL
+#define NOCRYPT			/* workaround for openssl 1.0.1e bug */
+#endif
+#include <windows.h>		/* #include "windef.h" */
+#define BOOLEAN_DEFINED
+#undef HAVE_POPEN		/* FIXME: does this not work, or is it missing */
+#undef small			/* see <w32api/rpcndr.h> */
+#endif
+
+#if defined(__DARWIN_NO_LONG_LONG)
+#undef HAVE_ATOLL
+#endif
+
+#if defined(HAVE_ATOLL)
+#define LYatoll(n) atoll(n)
+#else
+extern off_t LYatoll(const char *value);
+#endif
+
+/* cygwin, mingw32, etc. */
+#ifdef FILE_DOES_NOT_EXIST
+#undef FILE_DOES_NOT_EXIST	/* see <w32api/winnt.h> */
+#endif
+
+/*
+ * VS .NET 2003 includes winsock.h unconditionally from windows.h,
+ * so we do not want to include windows.h if we want winsock2.h
+ */
+#if defined(_WINDOWS) && !defined(__CYGWIN__)
+
+#ifndef __GNUC__
+#pragma warning (disable : 4100)	/* unreferenced formal parameter */
+#pragma warning (disable : 4127)	/* conditional expression is constant */
+#pragma warning (disable : 4201)	/* nameless struct/union */
+#pragma warning (disable : 4214)	/* bit field types other than int */
+#pragma warning (disable : 4310)	/* cast truncates constant value */
+#pragma warning (disable : 4514)	/* unreferenced inline function has been removed */
+#pragma warning (disable : 4996)	/* This function or variable may be unsafe. ... */
+#endif
+
+#if defined(USE_WINSOCK2_H) && (_MSC_VER >= 1300) && (_MSC_VER < 1400)
+#include <winsock2.h>		/* includes windows.h, in turn windef.h */
+#else
+#include <windows.h>		/* #include "windef.h" */
+#endif
+
+#define BOOLEAN_DEFINED
+
+#if !_WIN_CC			/* 1999/09/29 (Wed) 22:00:53 */
+#include <dos.h>
+#endif
+
+#if defined(DECL_SLEEP) && defined(HAVE_CONFIG_H)
+#  undef sleep
+#  if defined(__MINGW32__)
+#    define sleep(n) Sleep((n)*100)
+#  else
+extern void sleep(unsigned __seconds);
+#  endif
+#elif !defined(__MINGW32__)
+#  undef sleep
+extern void sleep(unsigned __seconds);
+#endif
+
+#define popen _popen
+#define pclose _pclose
+
+#if defined(_MSC_VER) && (_MSC_VER > 0)
+typedef unsigned short mode_t;
+#endif
+
+#endif /* _WINDOWS */
+
+#if defined(USE_DEFAULT_COLORS) && !defined(HAVE_USE_DEFAULT_COLORS)
+    /* if we don't have use_default_colors() */
+#  undef USE_DEFAULT_COLORS
+#endif
+
+#ifndef USE_COLOR_STYLE
+    /* it's useless for such setup */
+#  define NO_EMPTY_HREFLESS_A
+#endif
+
+#if  defined(__EMX__) || defined(WIN_EX) || defined(HAVE_POPEN)
+#  define CAN_CUT_AND_PASTE
+#endif
+
+#if defined(USE_SLANG) || (defined(USE_COLOR_STYLE) && defined(__EMX__))
+#  define USE_BLINK
+#endif
+
+#if defined(DOSPATH) || defined(__EMX__)
+#  define USE_DOS_DRIVES	/* we allow things like "c:" in paths */
+#endif
+
+#if defined(UNIX)
+#  if (defined(__BEOS__) || defined(__CYGWIN__) || defined(__DJGPP__) || defined(__EMX__) || defined(__MINGW32__))
+#    define SINGLE_USER_UNIX	/* well, at least they try */
+#  else
+#    define MULTI_USER_UNIX
+#  endif
+#endif
+
+/*
+
+  ERROR TYPE
+
+   This is passed back when streams are aborted. It might be nice to have some structure
+   of error messages, numbers, and recursive pointers to reasons.  Currently this is a
+   placeholder for something more sophisticated.
+
+ */
+typedef void *HTError;		/* Unused at present -- best definition? */
+
+/*
+
+Standard C library for malloc() etc
+
+ */
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#ifndef EXIT_SUCCESS
+#define EXIT_SUCCESS 0
+#endif
+
+#ifndef EXIT_FAILURE
+#define EXIT_FAILURE 1
+#endif
+
+#ifdef __EMX__
+#include <unistd.h>		/* should be re-include protected under EMX */
+#define getcwd _getcwd2
+#define chdir _chdir2
+#endif
+
+#ifdef vax
+#ifdef unix
+#define ultrix			/* Assume vax+unix=ultrix */
+#endif /* unix */
+#endif /* vax */
+
+#ifndef VMS
+#ifndef ultrix
+
+#ifdef NeXT
+#include <libc.h>		/* NeXT */
+#endif /* NeXT */
+
+#else /* ultrix: */
+
+#include <malloc.h>
+#include <memory.h>
+
+#endif /* !ultrix */
+#else /* VMS: */
+
+#include <unixlib.h>
+#if defined(VAXC) && !defined(__DECC)
+#define malloc	VAXC$MALLOC_OPT
+#define calloc	VAXC$CALLOC_OPT
+#define free	VAXC$FREE_OPT
+#define cfree	VAXC$CFREE_OPT
+#define realloc	VAXC$REALLOC_OPT
+#endif /* VAXC && !__DECC */
+
+#endif /* !VMS */
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+#define DeConst(p)   (void *)(intptr_t)(p)
+
+#define isEmpty(s)   ((s) == 0 || *(s) == 0)
+#define non_empty(s) !isEmpty(s)
+
+#define NonNull(s) (((s) != 0) ? s : "")
+#define NONNULL(s) (((s) != 0) ? s : "(null)")
+
+/* array/table size */
+#define	TABLESIZE(v)	(sizeof(v)/sizeof(v[0]))
+
+#define	typecalloc(cast)		(cast *)calloc((size_t)1, sizeof(cast))
+#define	typecallocn(cast,ntypes)	(cast *)calloc((size_t)(ntypes),sizeof(cast))
+
+#define typeRealloc(cast,ptr,ntypes)    (cast *)realloc(ptr, (size_t)(ntypes)*sizeof(cast))
+
+#define typeMalloc(cast)                (cast *)malloc(sizeof(cast))
+#define typeMallocn(cast,ntypes)        (cast *)malloc((size_t)(ntypes)*sizeof(cast))
+
+/*
+
+OFTEN USED INTEGER MACROS
+
+  Min and Max functions
+
+ */
+#ifndef HTMIN
+#define HTMIN(a,b) ((a) <= (b) ? (a) : (b))
+#define HTMAX(a,b) ((a) >= (b) ? (a) : (b))
+#endif
+/*
+
+Booleans
+
+ */
+/* Note: GOOD and BAD are already defined (differently) on RS6000 aix */
+/* #define GOOD(status) ((status)38;1)   VMS style status: test bit 0         */
+/* #define BAD(status)  (!GOOD(status))  Bit 0 set if OK, otherwise clear   */
+
+#ifndef _WINDOWS
+#ifndef BOOLEAN_DEFINED
+typedef char BOOLEAN;		/* Logical value */
+
+#ifndef CURSES
+#ifndef TRUE
+#define TRUE    (BOOLEAN)1
+#define FALSE   (BOOLEAN)0
+#endif
+#endif /*  CURSES  */
+#endif /*  BOOLEAN_DEFINED */
+#define BOOLEAN_DEFINED
+#endif /* _WINDOWS */
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1300)
+/* it declares BOOL/BOOLEAN as BYTE/int */
+#else
+#ifndef BOOL
+#define BOOL BOOLEAN
+#endif
+#endif
+
+#ifndef YES
+#define YES (BOOLEAN)1
+#define NO (BOOLEAN)0
+#endif
+
+#define STRING1PTR const char *
+#define STRING2PTR const char * const *
+
+extern BOOL LYOutOfMemory;	/* Declared in LYexit.c - FM */
+
+#define TCP_PORT 80		/* Allocated to http by Jon Postel/ISI 24-Jan-92 */
+#define OLD_TCP_PORT 2784	/* Try the old one if no answer on 80 */
+#define DNP_OBJ 80		/* This one doesn't look busy, but we must check */
+			/* That one was for decnet */
+
+/*      Inline Function WHITE: Is character c white space? */
+/*      For speed, include all control characters */
+
+#define WHITE(c) ((UCH(TOASCII(c))) <= 32)
+
+/*     Inline Function LYIsASCII: Is character c a traditional ASCII
+ *     character (i.e. <128) after converting from host character set.  */
+
+#define LYIsASCII(c) (TOASCII(UCH(c)) < 128)
+
+/*
+
+Success (>=0) and failure (<0) codes
+
+Some of the values are chosen to be HTTP-like, but status return values
+are generally not the response status from any specific protocol.
+
+ */
+
+#define HT_PARSER_OTHER_CONTENT  701	/* tells SGML to change content model */
+#define HT_PARSER_REOPEN_ELT     700	/* tells SGML parser to keep tag open */
+#define HT_REDIRECTING           399
+#define HT_PARTIAL_CONTENT       206	/* Partial Content */
+#define HT_LOADED                200	/* Instead of a socket */
+
+#define HT_OK                      0	/* Generic success */
+
+#define HT_ERROR                  -1	/* Generic failure */
+#define HT_CANNOT_TRANSLATE       -4
+#define HT_BAD_EOF               -12	/* Premature EOF */
+#define HT_NO_CONNECTION         -99	/* ERR no connection available - */
+#define HT_NO_DATA              -204	/* OK but no data was loaded - */
+					/* possibly other app started or forked */
+#define HT_NO_ACCESS            -401	/* Access not available */
+#define HT_FORBIDDEN            -403	/* Access forbidden */
+#define HT_NOT_ACCEPTABLE       -406	/* Not Acceptable */
+#define HT_H_ERRNO_VALID        -800	/* see h_errno for resolver error */
+#define HT_INTERNAL             -900	/* Weird -- should never happen. */
+#define HT_INTERRUPTED        -29998
+#define HT_NOT_LOADED         -29999
+
+#ifndef va_arg
+#  include <stdarg.h>
+#endif
+
+#define LYva_start(ap,format) va_start(ap,format)
+
+/*
+ * GCC can be told that some functions are like printf (and do type-checking on
+ * their parameters).
+ */
+#ifndef GCC_PRINTFLIKE
+#if defined(GCC_PRINTF) && !defined(printf) && !defined(HAVE_LIBUTF8_H)
+#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
+#else
+#define GCC_PRINTFLIKE(fmt,var)	/*nothing */
+#endif
+#endif
+
+#include <HTString.h>		/* String utilities */
+
+/*
+
+Out Of Memory checking for malloc() return:
+
+ */
+#ifndef __FILE__
+#define __FILE__ ""
+#define __LINE__ ""
+#endif
+
+#include <LYexit.h>
+
+/*
+ * Upper- and Lowercase macros
+ *
+ * The problem here is that toupper(x) is not defined officially unless
+ * isupper(x) is.  These macros are CERTAINLY needed on #if defined(pyr) ||
+ * define(mips) or BDSI platforms.  For safefy, we make them mandatory.
+ *
+ * Note: Pyramid and Mips can't uppercase non-alpha.
+ */
+#include <ctype.h>
+#include <string.h>
+
+#ifndef TOLOWER
+
+#ifdef USE_ASCII_CTYPES
+
+#define TOLOWER(c) ascii_tolower(UCH(c))
+#define TOUPPER(c) ascii_toupper(UCH(c))
+#define ISUPPER(c) ascii_isupper(UCH(c))
+
+#else
+
+#define TOLOWER(c) (isupper(UCH(c)) ? tolower(UCH(c)) : UCH(c))
+#define TOUPPER(c) (islower(UCH(c)) ? toupper(UCH(c)) : UCH(c))
+#define ISUPPER(c) (isupper(UCH(c)))
+
+#endif
+
+#endif /* TOLOWER */
+
+#define FREE(x)    {if (x != 0) {free((char *)x); x = NULL;}}
+
+/*
+
+The local equivalents of CR and LF
+
+   We can check for these after net ascii text has been converted to the local
+   representation.  Similarly, we include them in strings to be sent as net ascii after
+   translation.
+
+ */
+#define LF   FROMASCII('\012')	/* ASCII line feed LOCAL EQUIVALENT */
+#define CR   FROMASCII('\015')	/* Will be converted to ^M for transmission */
+
+/*
+ * Debug message control.
+ */
+#ifdef NO_LYNX_TRACE
+#define WWW_TraceFlag   0
+#define WWW_TraceMask   0
+#define LYTraceLogFP    0
+#else
+extern BOOLEAN WWW_TraceFlag;
+extern int WWW_TraceMask;
+#endif
+
+#define TRACE           (WWW_TraceFlag)
+#define TRACE_bit(n)    (TRACE && (WWW_TraceMask & (1 << n)) != 0)
+#define TRACE_SGML      (TRACE_bit(0))
+#define TRACE_STYLE     (TRACE_bit(1))
+#define TRACE_TRST      (TRACE_bit(2))
+#define TRACE_CFG       (TRACE_bit(3))
+#define TRACE_BSTRING   (TRACE_bit(4))
+#define TRACE_COOKIES   (TRACE_bit(5))
+#define TRACE_CHARSETS  (TRACE_bit(6))
+#define TRACE_GRIDTEXT  (TRACE_bit(7))
+#define TRACE_TIMING    (TRACE_bit(8))
+#define TRACE_HTPARSE   (TRACE_bit(9))
+
+/*
+ * Get printing/scanning formats.
+ */
+#if defined(HAVE_INTTYPES_H)
+#include <inttypes.h>
+#endif
+
+#define DigitsOf(type)  (int)((sizeof(type)*8)/3)
+
+/*
+ * Printing/scanning-formats for "off_t", as well as cast needed to fit.
+ */
+#if defined(HAVE_LONG_LONG) && defined(HAVE_INTTYPES_H) && defined(SIZEOF_OFF_T)
+#if (SIZEOF_OFF_T == 8) && defined(PRId64) && defined(SCNd64)
+
+#define PRI_off_t	PRId64
+#define SCN_off_t	SCNd64
+#define CAST_off_t(n)	(int64_t)(n)
+
+#elif (SIZEOF_OFF_T == 4) && defined(PRId32)
+
+#define PRI_off_t	PRId32
+#define SCN_off_t	SCNd32
+
+#if (SIZEOF_INT == 4)
+#define CAST_off_t(n)	(int)(n)
+#elif (SIZEOF_LONG == 4)
+#define CAST_off_t(n)	(long)(n)
+#else
+#define CAST_off_t(n)	(int32_t)(n)
+#endif
+
+#endif
+#endif
+
+#ifndef PRI_off_t
+#define GUESS_PRI_off_t
+#if (SIZEOF_OFF_T == SIZEOF_LONG)
+#define PRI_off_t	"ld"
+#define SCN_off_t	"ld"
+#define CAST_off_t(n)	(long)(n)
+#elif defined(HAVE_LONG_LONG)
+#define PRI_off_t	"lld"
+#define SCN_off_t	"lld"
+#define CAST_off_t(n)	(long long)(n)
+#else
+#define PRI_off_t	"ld"
+/* SCN_off_t requires workaround */
+#define CAST_off_t(n)	(long)(n)
+#endif
+#endif
+
+/*
+ * MinGW-32 uses only 32-bit DLL, which limits printing.
+ */
+#if defined(__MINGW32__)
+#undef  PRI_off_t
+#undef  CAST_off_t
+#define PRI_off_t	"ld"
+#define CAST_off_t(n)	(long)(n)
+#endif
+
+/*
+ * Printing-format for "time_t", as well as cast needed to fit.
+ */
+#if defined(HAVE_LONG_LONG) && defined(HAVE_INTTYPES_H) && defined(SIZEOF_TIME_T)
+#if (SIZEOF_TIME_T == 8) && defined(PRId64)
+
+#define PRI_time_t	PRId64
+#define SCN_time_t	SCNd64
+#define CAST_time_t(n)	(int64_t)(n)
+
+#elif (SIZEOF_TIME_T == 4) && defined(PRId32)
+
+#define PRI_time_t	PRId32
+#define SCN_time_t	SCNd32
+
+#if (SIZEOF_INT == 4)
+#define CAST_time_t(n)	(int)(n)
+#elif (SIZEOF_LONG == 4)
+#define CAST_time_t(n)	(long)(n)
+#else
+#define CAST_time_t(n)	(int32_t)(n)
+#endif
+
+#endif
+#endif
+
+#ifndef PRI_time_t
+#if defined(HAVE_LONG_LONG) && (SIZEOF_TIME_T > SIZEOF_LONG)
+#define PRI_time_t	"lld"
+#define SCN_time_t	"lld"
+#define CAST_time_t(n)	(long long)(n)
+#else
+#define PRI_time_t	"ld"
+#define SCN_time_t	"ld"
+#define CAST_time_t(n)	(long)(n)
+#endif
+#endif
+
+/*
+ * Printing-format for "UCode_t".
+ */
+#define PRI_UCode_t	"lX"
+#define CAST_UCode_t(n)	(unsigned long)(n)
+
+/*
+ * Verbose-tracing.
+ */
+#if defined(USE_VERTRACE) && !defined(LY_TRACELINE)
+#define LY_TRACELINE __LINE__
+#endif
+
+#if defined(LY_TRACELINE)
+#define LY_SHOWWHERE fprintf( tfp, "%s: %d: ", __FILE__, LY_TRACELINE ),
+#else
+#define LY_SHOWWHERE		/* nothing */
+#endif
+
+#define CTRACE(p)         ((void)((TRACE) && ( LY_SHOWWHERE fprintf p )))
+#define CTRACE2(m,p)      ((void)((m)     && ( LY_SHOWWHERE fprintf p )))
+#define tfp TraceFP()
+#define CTRACE_SLEEP(secs) if (TRACE && LYTraceLogFP == 0) sleep((unsigned)secs)
+#define CTRACE_FLUSH(fp)   if (TRACE) fflush(fp)
+
+#include <www_tcp.h>
+
+/*
+ * We force this include-ordering since socks.h contains redefinitions of
+ * functions that probably are prototyped via other includes.  The socks.h
+ * definitions have to be included everywhere, since they're making wrappers
+ * for the stdio functions as well as the network functions.
+ */
+#if defined(USE_SOCKS5)
+#define SOCKS4TO5		/* turn on the Rxxxx definitions used in Lynx */
+#include <socks.h>
+
+/*
+ * The AIX- and SOCKS4-specific definitions in socks.h are inconsistent.
+ * Repair them so they're consistent (and usable).
+ */
+#if defined(_AIX) && !defined(USE_SOCKS4_PREFIX)
+#undef  Raccept
+#define Raccept       accept
+#undef  Rgetsockname
+#define Rgetsockname  getsockname
+#undef  Rgetpeername
+#define Rgetpeername  getpeername
+#endif
+
+/*
+ * Workaround for order-of-evaluation problem with gcc and socks5 headers
+ * which breaks the Rxxxx names by attaching the prefix twice:
+ */
+#ifdef INCLUDE_PROTOTYPES
+#undef  Raccept
+#undef  Rbind
+#undef  Rconnect
+#undef  Rlisten
+#undef  Rselect
+#undef  Rgetpeername
+#undef  Rgetsockname
+#define Raccept       accept
+#define Rbind         bind
+#define Rconnect      connect
+#define Rgetpeername  getpeername
+#define Rgetsockname  getsockname
+#define Rlisten       listen
+#define Rselect       select
+#endif
+
+#elif defined(SOCKS)
+#include <socks.h>
+#endif /* USE_SOCKS5 */
+
+#ifdef USE_SSL
+
+#define free_func free__func
+
+#ifdef USE_OPENSSL_INCL
+#include <openssl/ssl.h>
+#include <openssl/crypto.h>
+#include <openssl/rand.h>
+#include <openssl/err.h>
+
+#else
+
+#if defined(USE_GNUTLS_FUNCS)
+#include <tidy_tls.h>
+#define USE_GNUTLS_INCL 1	/* do this for the ".c" ifdef's */
+#elif defined(USE_GNUTLS_INCL)
+#include <gnutls/openssl.h>
+/*
+ * GNUTLS's implementation of OpenSSL is very incomplete and rudimentary.
+ * For a start, let's make it compile (TD - 2003/4/13).
+ */
+#ifndef SSL_VERIFY_PEER
+#define SSL_VERIFY_PEER			0x01
+#endif
+#else
+
+#ifdef USE_NSS_COMPAT_INCL
+#include <nss_compat_ossl/nss_compat_ossl.h>
+
+#else /* assume SSLeay */
+#include <ssl.h>
+#include <crypto.h>
+#include <rand.h>
+#include <err.h>
+#endif
+#endif
+#endif /* USE_OPENSSL_INCL */
+
+#undef free_func
+#endif /* USE_SSL */
+
+#ifdef HAVE_BSD_STDLIB_H
+#include <bsd/stdlib.h>		/* prototype for arc4random.h */
+#elif defined(HAVE_BSD_RANDOM_H)
+#include <bsd/random.h>		/* prototype for arc4random.h */
+#endif
+
+#ifdef HAVE_LIBDMALLOC
+#include <dmalloc.h>		/* Gray Watson's library */
+#define show_alloc() dmalloc_log_unfreed()
+#endif
+
+#ifdef HAVE_LIBDBMALLOC
+#include <dbmalloc.h>		/* Conor Cahill's library */
+#define show_alloc() malloc_dump(fileno(stderr))
+#endif
+
+#ifndef show_alloc
+#define show_alloc()		/* nothing */
+#endif
+
+#include <userdefs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#ifndef TOLOWER
+#ifdef USE_ASCII_CTYPES
+    extern int ascii_toupper(int);
+    extern int ascii_tolower(int);
+    extern int ascii_isupper(int);
+#endif
+#endif
+
+    extern FILE *TraceFP(void);
+
+    extern char *HTSkipToAt(char *host, int *gen_delims);
+    extern void strip_userid(char *host, int warn);
+
+#ifdef USE_SSL
+    extern SSL *HTGetSSLHandle(void);
+    extern void HTSSLInitPRNG(void);
+    extern int HTGetSSLCharacter(void *handle);
+#endif				/* USE_SSL */
+
+#ifdef __cplusplus
+}
+#endif
+#endif				/* HTUTILS_H */