Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 576 insertions, 0 deletions

diff --git a/vendor/libc/src/windows/mod.rs b/vendor/libc/src/windows/mod.rs
new file mode 100644
index 000000000..08cba4edd
--- /dev/null
+++ b/vendor/libc/src/windows/mod.rs
@@ -0,0 +1,576 @@
+//! Windows CRT definitions
+
+pub type c_schar = i8;
+pub type c_uchar = u8;
+pub type c_short = i16;
+pub type c_ushort = u16;
+pub type c_int = i32;
+pub type c_uint = u32;
+pub type c_float = f32;
+pub type c_double = f64;
+pub type c_longlong = i64;
+pub type c_ulonglong = u64;
+pub type intmax_t = i64;
+pub type uintmax_t = u64;
+
+pub type size_t = usize;
+pub type ptrdiff_t = isize;
+pub type intptr_t = isize;
+pub type uintptr_t = usize;
+pub type ssize_t = isize;
+pub type sighandler_t = usize;
+
+pub type c_char = i8;
+pub type c_long = i32;
+pub type c_ulong = u32;
+pub type wchar_t = u16;
+
+pub type clock_t = i32;
+
+pub type errno_t = ::c_int;
+
+cfg_if! {
+    if #[cfg(all(target_arch = "x86", target_env = "gnu"))] {
+        pub type time_t = i32;
+    } else {
+        pub type time_t = i64;
+    }
+}
+
+pub type off_t = i32;
+pub type dev_t = u32;
+pub type ino_t = u16;
+#[cfg_attr(feature = "extra_traits", derive(Debug))]
+pub enum timezone {}
+impl ::Copy for timezone {}
+impl ::Clone for timezone {
+    fn clone(&self) -> timezone {
+        *self
+    }
+}
+pub type time64_t = i64;
+
+pub type SOCKET = ::uintptr_t;
+
+s! {
+    // note this is the struct called stat64 in Windows. Not stat, nor stati64.
+    pub struct stat {
+        pub st_dev: dev_t,
+        pub st_ino: ino_t,
+        pub st_mode: u16,
+        pub st_nlink: ::c_short,
+        pub st_uid: ::c_short,
+        pub st_gid: ::c_short,
+        pub st_rdev: dev_t,
+        pub st_size: i64,
+        pub st_atime: time64_t,
+        pub st_mtime: time64_t,
+        pub st_ctime: time64_t,
+    }
+
+    // note that this is called utimbuf64 in Windows
+    pub struct utimbuf {
+        pub actime: time64_t,
+        pub modtime: time64_t,
+    }
+
+    pub struct tm {
+        pub tm_sec: ::c_int,
+        pub tm_min: ::c_int,
+        pub tm_hour: ::c_int,
+        pub tm_mday: ::c_int,
+        pub tm_mon: ::c_int,
+        pub tm_year: ::c_int,
+        pub tm_wday: ::c_int,
+        pub tm_yday: ::c_int,
+        pub tm_isdst: ::c_int,
+    }
+
+    pub struct timeval {
+        pub tv_sec: c_long,
+        pub tv_usec: c_long,
+    }
+
+    pub struct timespec {
+        pub tv_sec: time_t,
+        pub tv_nsec: c_long,
+    }
+
+    pub struct sockaddr {
+        pub sa_family: c_ushort,
+        pub sa_data: [c_char; 14],
+    }
+}
+
+pub const INT_MIN: c_int = -2147483648;
+pub const INT_MAX: c_int = 2147483647;
+
+pub const EXIT_FAILURE: ::c_int = 1;
+pub const EXIT_SUCCESS: ::c_int = 0;
+pub const RAND_MAX: ::c_int = 32767;
+pub const EOF: ::c_int = -1;
+pub const SEEK_SET: ::c_int = 0;
+pub const SEEK_CUR: ::c_int = 1;
+pub const SEEK_END: ::c_int = 2;
+pub const _IOFBF: ::c_int = 0;
+pub const _IONBF: ::c_int = 4;
+pub const _IOLBF: ::c_int = 64;
+pub const BUFSIZ: ::c_uint = 512;
+pub const FOPEN_MAX: ::c_uint = 20;
+pub const FILENAME_MAX: ::c_uint = 260;
+
+// fcntl.h
+pub const O_RDONLY: ::c_int = 0x0000;
+pub const O_WRONLY: ::c_int = 0x0001;
+pub const O_RDWR: ::c_int = 0x0002;
+pub const O_APPEND: ::c_int = 0x0008;
+pub const O_CREAT: ::c_int = 0x0100;
+pub const O_TRUNC: ::c_int = 0x0200;
+pub const O_EXCL: ::c_int = 0x0400;
+pub const O_TEXT: ::c_int = 0x4000;
+pub const O_BINARY: ::c_int = 0x8000;
+pub const _O_WTEXT: ::c_int = 0x10000;
+pub const _O_U16TEXT: ::c_int = 0x20000;
+pub const _O_U8TEXT: ::c_int = 0x40000;
+pub const O_RAW: ::c_int = O_BINARY;
+pub const O_NOINHERIT: ::c_int = 0x0080;
+pub const O_TEMPORARY: ::c_int = 0x0040;
+pub const _O_SHORT_LIVED: ::c_int = 0x1000;
+pub const _O_OBTAIN_DIR: ::c_int = 0x2000;
+pub const O_SEQUENTIAL: ::c_int = 0x0020;
+pub const O_RANDOM: ::c_int = 0x0010;
+
+pub const S_IFCHR: ::c_int = 8192;
+pub const S_IFDIR: ::c_int = 16384;
+pub const S_IFREG: ::c_int = 32768;
+pub const S_IFMT: ::c_int = 61440;
+pub const S_IEXEC: ::c_int = 64;
+pub const S_IWRITE: ::c_int = 128;
+pub const S_IREAD: ::c_int = 256;
+
+pub const LC_ALL: ::c_int = 0;
+pub const LC_COLLATE: ::c_int = 1;
+pub const LC_CTYPE: ::c_int = 2;
+pub const LC_MONETARY: ::c_int = 3;
+pub const LC_NUMERIC: ::c_int = 4;
+pub const LC_TIME: ::c_int = 5;
+
+pub const EPERM: ::c_int = 1;
+pub const ENOENT: ::c_int = 2;
+pub const ESRCH: ::c_int = 3;
+pub const EINTR: ::c_int = 4;
+pub const EIO: ::c_int = 5;
+pub const ENXIO: ::c_int = 6;
+pub const E2BIG: ::c_int = 7;
+pub const ENOEXEC: ::c_int = 8;
+pub const EBADF: ::c_int = 9;
+pub const ECHILD: ::c_int = 10;
+pub const EAGAIN: ::c_int = 11;
+pub const ENOMEM: ::c_int = 12;
+pub const EACCES: ::c_int = 13;
+pub const EFAULT: ::c_int = 14;
+pub const EBUSY: ::c_int = 16;
+pub const EEXIST: ::c_int = 17;
+pub const EXDEV: ::c_int = 18;
+pub const ENODEV: ::c_int = 19;
+pub const ENOTDIR: ::c_int = 20;
+pub const EISDIR: ::c_int = 21;
+pub const EINVAL: ::c_int = 22;
+pub const ENFILE: ::c_int = 23;
+pub const EMFILE: ::c_int = 24;
+pub const ENOTTY: ::c_int = 25;
+pub const EFBIG: ::c_int = 27;
+pub const ENOSPC: ::c_int = 28;
+pub const ESPIPE: ::c_int = 29;
+pub const EROFS: ::c_int = 30;
+pub const EMLINK: ::c_int = 31;
+pub const EPIPE: ::c_int = 32;
+pub const EDOM: ::c_int = 33;
+pub const ERANGE: ::c_int = 34;
+pub const EDEADLK: ::c_int = 36;
+pub const EDEADLOCK: ::c_int = 36;
+pub const ENAMETOOLONG: ::c_int = 38;
+pub const ENOLCK: ::c_int = 39;
+pub const ENOSYS: ::c_int = 40;
+pub const ENOTEMPTY: ::c_int = 41;
+pub const EILSEQ: ::c_int = 42;
+pub const STRUNCATE: ::c_int = 80;
+
+// POSIX Supplement (from errno.h)
+pub const EADDRINUSE: ::c_int = 100;
+pub const EADDRNOTAVAIL: ::c_int = 101;
+pub const EAFNOSUPPORT: ::c_int = 102;
+pub const EALREADY: ::c_int = 103;
+pub const EBADMSG: ::c_int = 104;
+pub const ECANCELED: ::c_int = 105;
+pub const ECONNABORTED: ::c_int = 106;
+pub const ECONNREFUSED: ::c_int = 107;
+pub const ECONNRESET: ::c_int = 108;
+pub const EDESTADDRREQ: ::c_int = 109;
+pub const EHOSTUNREACH: ::c_int = 110;
+pub const EIDRM: ::c_int = 111;
+pub const EINPROGRESS: ::c_int = 112;
+pub const EISCONN: ::c_int = 113;
+pub const ELOOP: ::c_int = 114;
+pub const EMSGSIZE: ::c_int = 115;
+pub const ENETDOWN: ::c_int = 116;
+pub const ENETRESET: ::c_int = 117;
+pub const ENETUNREACH: ::c_int = 118;
+pub const ENOBUFS: ::c_int = 119;
+pub const ENODATA: ::c_int = 120;
+pub const ENOLINK: ::c_int = 121;
+pub const ENOMSG: ::c_int = 122;
+pub const ENOPROTOOPT: ::c_int = 123;
+pub const ENOSR: ::c_int = 124;
+pub const ENOSTR: ::c_int = 125;
+pub const ENOTCONN: ::c_int = 126;
+pub const ENOTRECOVERABLE: ::c_int = 127;
+pub const ENOTSOCK: ::c_int = 128;
+pub const ENOTSUP: ::c_int = 129;
+pub const EOPNOTSUPP: ::c_int = 130;
+pub const EOVERFLOW: ::c_int = 132;
+pub const EOWNERDEAD: ::c_int = 133;
+pub const EPROTO: ::c_int = 134;
+pub const EPROTONOSUPPORT: ::c_int = 135;
+pub const EPROTOTYPE: ::c_int = 136;
+pub const ETIME: ::c_int = 137;
+pub const ETIMEDOUT: ::c_int = 138;
+pub const ETXTBSY: ::c_int = 139;
+pub const EWOULDBLOCK: ::c_int = 140;
+
+// signal codes
+pub const SIGINT: ::c_int = 2;
+pub const SIGILL: ::c_int = 4;
+pub const SIGFPE: ::c_int = 8;
+pub const SIGSEGV: ::c_int = 11;
+pub const SIGTERM: ::c_int = 15;
+pub const SIGABRT: ::c_int = 22;
+pub const NSIG: ::c_int = 23;
+
+pub const SIG_ERR: ::c_int = -1;
+pub const SIG_DFL: ::sighandler_t = 0;
+pub const SIG_IGN: ::sighandler_t = 1;
+pub const SIG_GET: ::sighandler_t = 2;
+pub const SIG_SGE: ::sighandler_t = 3;
+pub const SIG_ACK: ::sighandler_t = 4;
+
+// inline comment below appeases style checker
+#[cfg(all(target_env = "msvc", feature = "rustc-dep-of-std"))] // " if "
+#[link(name = "msvcrt", cfg(not(target_feature = "crt-static")))]
+#[link(name = "libcmt", cfg(target_feature = "crt-static"))]
+extern "C" {}
+
+#[cfg_attr(feature = "extra_traits", derive(Debug))]
+pub enum FILE {}
+impl ::Copy for FILE {}
+impl ::Clone for FILE {
+    fn clone(&self) -> FILE {
+        *self
+    }
+}
+#[cfg_attr(feature = "extra_traits", derive(Debug))]
+pub enum fpos_t {} // FIXME: fill this out with a struct
+impl ::Copy for fpos_t {}
+impl ::Clone for fpos_t {
+    fn clone(&self) -> fpos_t {
+        *self
+    }
+}
+
+extern "C" {
+    pub fn isalnum(c: c_int) -> c_int;
+    pub fn isalpha(c: c_int) -> c_int;
+    pub fn iscntrl(c: c_int) -> c_int;
+    pub fn isdigit(c: c_int) -> c_int;
+    pub fn isgraph(c: c_int) -> c_int;
+    pub fn islower(c: c_int) -> c_int;
+    pub fn isprint(c: c_int) -> c_int;
+    pub fn ispunct(c: c_int) -> c_int;
+    pub fn isspace(c: c_int) -> c_int;
+    pub fn isupper(c: c_int) -> c_int;
+    pub fn isxdigit(c: c_int) -> c_int;
+    pub fn isblank(c: c_int) -> c_int;
+    pub fn tolower(c: c_int) -> c_int;
+    pub fn toupper(c: c_int) -> c_int;
+    pub fn fopen(filename: *const c_char, mode: *const c_char) -> *mut FILE;
+    pub fn freopen(filename: *const c_char, mode: *const c_char, file: *mut FILE) -> *mut FILE;
+    pub fn fflush(file: *mut FILE) -> c_int;
+    pub fn fclose(file: *mut FILE) -> c_int;
+    pub fn remove(filename: *const c_char) -> c_int;
+    pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;
+    pub fn tmpfile() -> *mut FILE;
+    pub fn setvbuf(stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t) -> c_int;
+    pub fn setbuf(stream: *mut FILE, buf: *mut c_char);
+    pub fn getchar() -> c_int;
+    pub fn putchar(c: c_int) -> c_int;
+    pub fn fgetc(stream: *mut FILE) -> c_int;
+    pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char;
+    pub fn fputc(c: c_int, stream: *mut FILE) -> c_int;
+    pub fn fputs(s: *const c_char, stream: *mut FILE) -> c_int;
+    pub fn puts(s: *const c_char) -> c_int;
+    pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;
+    pub fn fread(ptr: *mut c_void, size: size_t, nobj: size_t, stream: *mut FILE) -> size_t;
+    pub fn fwrite(ptr: *const c_void, size: size_t, nobj: size_t, stream: *mut FILE) -> size_t;
+    pub fn fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int;
+    pub fn ftell(stream: *mut FILE) -> c_long;
+    pub fn rewind(stream: *mut FILE);
+    pub fn fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int;
+    pub fn fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int;
+    pub fn feof(stream: *mut FILE) -> c_int;
+    pub fn ferror(stream: *mut FILE) -> c_int;
+    pub fn perror(s: *const c_char);
+    pub fn printf(format: *const c_char, ...) -> ::c_int;
+    pub fn fprintf(stream: *mut FILE, format: *const c_char, ...) -> ::c_int;
+    pub fn atoi(s: *const c_char) -> c_int;
+    pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
+    pub fn strtof(s: *const c_char, endp: *mut *mut c_char) -> c_float;
+    pub fn strtol(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_long;
+    pub fn strtoul(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulong;
+    pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
+    pub fn malloc(size: size_t) -> *mut c_void;
+    pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void;
+    pub fn free(p: *mut c_void);
+    pub fn abort() -> !;
+    pub fn exit(status: c_int) -> !;
+    pub fn _exit(status: c_int) -> !;
+    pub fn atexit(cb: extern "C" fn()) -> c_int;
+    pub fn system(s: *const c_char) -> c_int;
+    pub fn getenv(s: *const c_char) -> *mut c_char;
+
+    pub fn strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char;
+    pub fn strncpy(dst: *mut c_char, src: *const c_char, n: size_t) -> *mut c_char;
+    pub fn strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char;
+    pub fn strncat(s: *mut c_char, ct: *const c_char, n: size_t) -> *mut c_char;
+    pub fn strcmp(cs: *const c_char, ct: *const c_char) -> c_int;
+    pub fn strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int;
+    pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;
+    pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char;
+    pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char;
+    pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t;
+    pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t;
+    pub fn strdup(cs: *const c_char) -> *mut c_char;
+    pub fn strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char;
+    pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
+    pub fn strlen(cs: *const c_char) -> size_t;
+    pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;
+    pub fn strerror(n: c_int) -> *mut c_char;
+    pub fn strtok(s: *mut c_char, t: *const c_char) -> *mut c_char;
+    pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;
+    pub fn wcslen(buf: *const wchar_t) -> size_t;
+    pub fn wcstombs(dest: *mut c_char, src: *const wchar_t, n: size_t) -> ::size_t;
+
+    pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
+    pub fn memcmp(cx: *const c_void, ct: *const c_void, n: size_t) -> c_int;
+    pub fn memcpy(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
+    pub fn memmove(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
+    pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;
+
+    pub fn abs(i: c_int) -> c_int;
+    pub fn atof(s: *const c_char) -> c_double;
+    pub fn labs(i: c_long) -> c_long;
+    pub fn rand() -> c_int;
+    pub fn srand(seed: c_uint);
+
+    pub fn signal(signum: c_int, handler: sighandler_t) -> sighandler_t;
+    pub fn raise(signum: c_int) -> c_int;
+
+    #[link_name = "_gmtime64_s"]
+    pub fn gmtime_s(destTime: *mut tm, srcTime: *const time_t) -> ::c_int;
+    #[link_name = "_localtime64_s"]
+    pub fn localtime_s(tmDest: *mut tm, sourceTime: *const time_t) -> ::errno_t;
+    #[link_name = "_time64"]
+    pub fn time(destTime: *mut time_t) -> time_t;
+    #[link_name = "_chmod"]
+    pub fn chmod(path: *const c_char, mode: ::c_int) -> ::c_int;
+    #[link_name = "_wchmod"]
+    pub fn wchmod(path: *const wchar_t, mode: ::c_int) -> ::c_int;
+    #[link_name = "_mkdir"]
+    pub fn mkdir(path: *const c_char) -> ::c_int;
+    #[link_name = "_wrmdir"]
+    pub fn wrmdir(path: *const wchar_t) -> ::c_int;
+    #[link_name = "_fstat64"]
+    pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
+    #[link_name = "_stat64"]
+    pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
+    #[link_name = "_wstat64"]
+    pub fn wstat(path: *const wchar_t, buf: *mut stat) -> ::c_int;
+    #[link_name = "_wutime64"]
+    pub fn wutime(file: *const wchar_t, buf: *mut utimbuf) -> ::c_int;
+    #[link_name = "_popen"]
+    pub fn popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE;
+    #[link_name = "_pclose"]
+    pub fn pclose(stream: *mut ::FILE) -> ::c_int;
+    #[link_name = "_fdopen"]
+    pub fn fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE;
+    #[link_name = "_fileno"]
+    pub fn fileno(stream: *mut ::FILE) -> ::c_int;
+    #[link_name = "_open"]
+    pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
+    #[link_name = "_wopen"]
+    pub fn wopen(path: *const wchar_t, oflag: ::c_int, ...) -> ::c_int;
+    #[link_name = "_creat"]
+    pub fn creat(path: *const c_char, mode: ::c_int) -> ::c_int;
+    #[link_name = "_access"]
+    pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
+    #[link_name = "_chdir"]
+    pub fn chdir(dir: *const c_char) -> ::c_int;
+    #[link_name = "_close"]
+    pub fn close(fd: ::c_int) -> ::c_int;
+    #[link_name = "_dup"]
+    pub fn dup(fd: ::c_int) -> ::c_int;
+    #[link_name = "_dup2"]
+    pub fn dup2(src: ::c_int, dst: ::c_int) -> ::c_int;
+    #[link_name = "_execl"]
+    pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
+    #[link_name = "_wexecl"]
+    pub fn wexecl(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
+    #[link_name = "_execle"]
+    pub fn execle(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
+    #[link_name = "_wexecle"]
+    pub fn wexecle(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
+    #[link_name = "_execlp"]
+    pub fn execlp(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
+    #[link_name = "_wexeclp"]
+    pub fn wexeclp(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
+    #[link_name = "_execlpe"]
+    pub fn execlpe(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
+    #[link_name = "_wexeclpe"]
+    pub fn wexeclpe(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
+    #[link_name = "_execv"]
+    pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::intptr_t;
+    #[link_name = "_execve"]
+    pub fn execve(
+        prog: *const c_char,
+        argv: *const *const c_char,
+        envp: *const *const c_char,
+    ) -> ::c_int;
+    #[link_name = "_execvp"]
+    pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;
+    #[link_name = "_execvpe"]
+    pub fn execvpe(
+        c: *const c_char,
+        argv: *const *const c_char,
+        envp: *const *const c_char,
+    ) -> ::c_int;
+    #[link_name = "_wexecv"]
+    pub fn wexecv(prog: *const wchar_t, argv: *const *const wchar_t) -> ::intptr_t;
+    #[link_name = "_wexecve"]
+    pub fn wexecve(
+        prog: *const wchar_t,
+        argv: *const *const wchar_t,
+        envp: *const *const wchar_t,
+    ) -> ::intptr_t;
+    #[link_name = "_wexecvp"]
+    pub fn wexecvp(c: *const wchar_t, argv: *const *const wchar_t) -> ::intptr_t;
+    #[link_name = "_wexecvpe"]
+    pub fn wexecvpe(
+        c: *const wchar_t,
+        argv: *const *const wchar_t,
+        envp: *const *const wchar_t,
+    ) -> ::intptr_t;
+    #[link_name = "_getcwd"]
+    pub fn getcwd(buf: *mut c_char, size: ::c_int) -> *mut c_char;
+    #[link_name = "_getpid"]
+    pub fn getpid() -> ::c_int;
+    #[link_name = "_isatty"]
+    pub fn isatty(fd: ::c_int) -> ::c_int;
+    #[link_name = "_lseek"]
+    pub fn lseek(fd: ::c_int, offset: c_long, origin: ::c_int) -> c_long;
+    #[link_name = "_lseeki64"]
+    pub fn lseek64(fd: ::c_int, offset: c_longlong, origin: ::c_int) -> c_longlong;
+    #[link_name = "_pipe"]
+    pub fn pipe(fds: *mut ::c_int, psize: ::c_uint, textmode: ::c_int) -> ::c_int;
+    #[link_name = "_read"]
+    pub fn read(fd: ::c_int, buf: *mut ::c_void, count: ::c_uint) -> ::c_int;
+    #[link_name = "_rmdir"]
+    pub fn rmdir(path: *const c_char) -> ::c_int;
+    #[link_name = "_unlink"]
+    pub fn unlink(c: *const c_char) -> ::c_int;
+    #[link_name = "_write"]
+    pub fn write(fd: ::c_int, buf: *const ::c_void, count: ::c_uint) -> ::c_int;
+    #[link_name = "_commit"]
+    pub fn commit(fd: ::c_int) -> ::c_int;
+    #[link_name = "_get_osfhandle"]
+    pub fn get_osfhandle(fd: ::c_int) -> ::intptr_t;
+    #[link_name = "_open_osfhandle"]
+    pub fn open_osfhandle(osfhandle: ::intptr_t, flags: ::c_int) -> ::c_int;
+    pub fn setlocale(category: ::c_int, locale: *const c_char) -> *mut c_char;
+    #[link_name = "_wsetlocale"]
+    pub fn wsetlocale(category: ::c_int, locale: *const wchar_t) -> *mut wchar_t;
+    #[link_name = "_aligned_malloc"]
+    pub fn aligned_malloc(size: size_t, alignment: size_t) -> *mut c_void;
+    #[link_name = "_aligned_free"]
+    pub fn aligned_free(ptr: *mut ::c_void);
+}
+
+extern "system" {
+    pub fn listen(s: SOCKET, backlog: ::c_int) -> ::c_int;
+    pub fn accept(s: SOCKET, addr: *mut ::sockaddr, addrlen: *mut ::c_int) -> SOCKET;
+    pub fn bind(s: SOCKET, name: *const ::sockaddr, namelen: ::c_int) -> ::c_int;
+    pub fn connect(s: SOCKET, name: *const ::sockaddr, namelen: ::c_int) -> ::c_int;
+    pub fn getpeername(s: SOCKET, name: *mut ::sockaddr, nameln: *mut ::c_int) -> ::c_int;
+    pub fn getsockname(s: SOCKET, name: *mut ::sockaddr, nameln: *mut ::c_int) -> ::c_int;
+    pub fn getsockopt(
+        s: SOCKET,
+        level: ::c_int,
+        optname: ::c_int,
+        optval: *mut ::c_char,
+        optlen: *mut ::c_int,
+    ) -> ::c_int;
+    pub fn recvfrom(
+        s: SOCKET,
+        buf: *mut ::c_char,
+        len: ::c_int,
+        flags: ::c_int,
+        from: *mut ::sockaddr,
+        fromlen: *mut ::c_int,
+    ) -> ::c_int;
+    pub fn sendto(
+        s: SOCKET,
+        buf: *const ::c_char,
+        len: ::c_int,
+        flags: ::c_int,
+        to: *const ::sockaddr,
+        tolen: ::c_int,
+    ) -> ::c_int;
+    pub fn setsockopt(
+        s: SOCKET,
+        level: ::c_int,
+        optname: ::c_int,
+        optval: *const ::c_char,
+        optlen: ::c_int,
+    ) -> ::c_int;
+    pub fn socket(af: ::c_int, socket_type: ::c_int, protocol: ::c_int) -> SOCKET;
+}
+
+cfg_if! {
+    if #[cfg(libc_core_cvoid)] {
+        pub use ::ffi::c_void;
+    } else {
+        // Use repr(u8) as LLVM expects `void*` to be the same as `i8*` to help
+        // enable more optimization opportunities around it recognizing things
+        // like malloc/free.
+        #[repr(u8)]
+        #[allow(missing_copy_implementations)]
+        #[allow(missing_debug_implementations)]
+        pub enum c_void {
+            // Two dummy variants so the #[repr] attribute can be used.
+            #[doc(hidden)]
+            __variant1,
+            #[doc(hidden)]
+            __variant2,
+        }
+    }
+}
+
+cfg_if! {
+    if #[cfg(all(target_env = "gnu"))] {
+        mod gnu;
+        pub use self::gnu::*;
+    } else if #[cfg(all(target_env = "msvc"))] {
+        mod msvc;
+        pub use self::msvc::*;
+    } else {
+        // Unknown target_env
+    }
+}