xref: /rust-libc-0.2.174/src/windows/mod.rs (revision 6055dcb8)
1 //! Windows CRT definitions
2 
3 pub type c_schar = i8;
4 pub type c_uchar = u8;
5 pub type c_short = i16;
6 pub type c_ushort = u16;
7 pub type c_int = i32;
8 pub type c_uint = u32;
9 pub type c_float = f32;
10 pub type c_double = f64;
11 pub type c_longlong = i64;
12 pub type c_ulonglong = u64;
13 pub type intmax_t = i64;
14 pub type uintmax_t = u64;
15 
16 pub type size_t = usize;
17 pub type ptrdiff_t = isize;
18 pub type intptr_t = isize;
19 pub type uintptr_t = usize;
20 pub type ssize_t = isize;
21 pub type sighandler_t = usize;
22 
23 pub type c_char = i8;
24 pub type c_long = i32;
25 pub type c_ulong = u32;
26 pub type wchar_t = u16;
27 
28 pub type clock_t = i32;
29 
30 cfg_if! {
31     if #[cfg(all(target_arch = "x86", target_env = "gnu"))] {
32         pub type time_t = i32;
33     } else {
34         pub type time_t = i64;
35     }
36 }
37 
38 pub type off_t = i32;
39 pub type dev_t = u32;
40 pub type ino_t = u16;
41 #[cfg_attr(feature = "extra_traits", derive(Debug))]
42 pub enum timezone {}
43 impl ::Copy for timezone {}
44 impl ::Clone for timezone {
45     fn clone(&self) -> timezone {
46         *self
47     }
48 }
49 pub type time64_t = i64;
50 
51 pub type SOCKET = ::uintptr_t;
52 
53 s! {
54     // note this is the struct called stat64 in Windows. Not stat, nor stati64.
55     pub struct stat {
56         pub st_dev: dev_t,
57         pub st_ino: ino_t,
58         pub st_mode: u16,
59         pub st_nlink: ::c_short,
60         pub st_uid: ::c_short,
61         pub st_gid: ::c_short,
62         pub st_rdev: dev_t,
63         pub st_size: i64,
64         pub st_atime: time64_t,
65         pub st_mtime: time64_t,
66         pub st_ctime: time64_t,
67     }
68 
69     // note that this is called utimbuf64 in Windows
70     pub struct utimbuf {
71         pub actime: time64_t,
72         pub modtime: time64_t,
73     }
74 
75     pub struct tm {
76         pub tm_sec: ::c_int,
77         pub tm_min: ::c_int,
78         pub tm_hour: ::c_int,
79         pub tm_mday: ::c_int,
80         pub tm_mon: ::c_int,
81         pub tm_year: ::c_int,
82         pub tm_wday: ::c_int,
83         pub tm_yday: ::c_int,
84         pub tm_isdst: ::c_int,
85     }
86 
87     pub struct timeval {
88         pub tv_sec: c_long,
89         pub tv_usec: c_long,
90     }
91 
92     pub struct timespec {
93         pub tv_sec: time_t,
94         pub tv_nsec: c_long,
95     }
96 
97     pub struct sockaddr {
98         pub sa_family: c_ushort,
99         pub sa_data: [c_char; 14],
100     }
101 }
102 
103 pub const INT_MIN: c_int = -2147483648;
104 pub const INT_MAX: c_int = 2147483647;
105 
106 pub const EXIT_FAILURE: ::c_int = 1;
107 pub const EXIT_SUCCESS: ::c_int = 0;
108 pub const RAND_MAX: ::c_int = 32767;
109 pub const EOF: ::c_int = -1;
110 pub const SEEK_SET: ::c_int = 0;
111 pub const SEEK_CUR: ::c_int = 1;
112 pub const SEEK_END: ::c_int = 2;
113 pub const _IOFBF: ::c_int = 0;
114 pub const _IONBF: ::c_int = 4;
115 pub const _IOLBF: ::c_int = 64;
116 pub const BUFSIZ: ::c_uint = 512;
117 pub const FOPEN_MAX: ::c_uint = 20;
118 pub const FILENAME_MAX: ::c_uint = 260;
119 
120 pub const O_RDONLY: ::c_int = 0;
121 pub const O_WRONLY: ::c_int = 1;
122 pub const O_RDWR: ::c_int = 2;
123 pub const O_APPEND: ::c_int = 8;
124 pub const O_CREAT: ::c_int = 256;
125 pub const O_EXCL: ::c_int = 1024;
126 pub const O_TEXT: ::c_int = 16384;
127 pub const O_BINARY: ::c_int = 32768;
128 pub const O_NOINHERIT: ::c_int = 128;
129 pub const O_TRUNC: ::c_int = 512;
130 pub const S_IFCHR: ::c_int = 8192;
131 pub const S_IFDIR: ::c_int = 16384;
132 pub const S_IFREG: ::c_int = 32768;
133 pub const S_IFMT: ::c_int = 61440;
134 pub const S_IEXEC: ::c_int = 64;
135 pub const S_IWRITE: ::c_int = 128;
136 pub const S_IREAD: ::c_int = 256;
137 
138 pub const LC_ALL: ::c_int = 0;
139 pub const LC_COLLATE: ::c_int = 1;
140 pub const LC_CTYPE: ::c_int = 2;
141 pub const LC_MONETARY: ::c_int = 3;
142 pub const LC_NUMERIC: ::c_int = 4;
143 pub const LC_TIME: ::c_int = 5;
144 
145 pub const EPERM: ::c_int = 1;
146 pub const ENOENT: ::c_int = 2;
147 pub const ESRCH: ::c_int = 3;
148 pub const EINTR: ::c_int = 4;
149 pub const EIO: ::c_int = 5;
150 pub const ENXIO: ::c_int = 6;
151 pub const E2BIG: ::c_int = 7;
152 pub const ENOEXEC: ::c_int = 8;
153 pub const EBADF: ::c_int = 9;
154 pub const ECHILD: ::c_int = 10;
155 pub const EAGAIN: ::c_int = 11;
156 pub const ENOMEM: ::c_int = 12;
157 pub const EACCES: ::c_int = 13;
158 pub const EFAULT: ::c_int = 14;
159 pub const EBUSY: ::c_int = 16;
160 pub const EEXIST: ::c_int = 17;
161 pub const EXDEV: ::c_int = 18;
162 pub const ENODEV: ::c_int = 19;
163 pub const ENOTDIR: ::c_int = 20;
164 pub const EISDIR: ::c_int = 21;
165 pub const EINVAL: ::c_int = 22;
166 pub const ENFILE: ::c_int = 23;
167 pub const EMFILE: ::c_int = 24;
168 pub const ENOTTY: ::c_int = 25;
169 pub const EFBIG: ::c_int = 27;
170 pub const ENOSPC: ::c_int = 28;
171 pub const ESPIPE: ::c_int = 29;
172 pub const EROFS: ::c_int = 30;
173 pub const EMLINK: ::c_int = 31;
174 pub const EPIPE: ::c_int = 32;
175 pub const EDOM: ::c_int = 33;
176 pub const ERANGE: ::c_int = 34;
177 pub const EDEADLK: ::c_int = 36;
178 pub const EDEADLOCK: ::c_int = 36;
179 pub const ENAMETOOLONG: ::c_int = 38;
180 pub const ENOLCK: ::c_int = 39;
181 pub const ENOSYS: ::c_int = 40;
182 pub const ENOTEMPTY: ::c_int = 41;
183 pub const EILSEQ: ::c_int = 42;
184 pub const STRUNCATE: ::c_int = 80;
185 
186 // POSIX Supplement (from errno.h)
187 pub const EADDRINUSE: ::c_int = 100;
188 pub const EADDRNOTAVAIL: ::c_int = 101;
189 pub const EAFNOSUPPORT: ::c_int = 102;
190 pub const EALREADY: ::c_int = 103;
191 pub const EBADMSG: ::c_int = 104;
192 pub const ECANCELED: ::c_int = 105;
193 pub const ECONNABORTED: ::c_int = 106;
194 pub const ECONNREFUSED: ::c_int = 107;
195 pub const ECONNRESET: ::c_int = 108;
196 pub const EDESTADDRREQ: ::c_int = 109;
197 pub const EHOSTUNREACH: ::c_int = 110;
198 pub const EIDRM: ::c_int = 111;
199 pub const EINPROGRESS: ::c_int = 112;
200 pub const EISCONN: ::c_int = 113;
201 pub const ELOOP: ::c_int = 114;
202 pub const EMSGSIZE: ::c_int = 115;
203 pub const ENETDOWN: ::c_int = 116;
204 pub const ENETRESET: ::c_int = 117;
205 pub const ENETUNREACH: ::c_int = 118;
206 pub const ENOBUFS: ::c_int = 119;
207 pub const ENODATA: ::c_int = 120;
208 pub const ENOLINK: ::c_int = 121;
209 pub const ENOMSG: ::c_int = 122;
210 pub const ENOPROTOOPT: ::c_int = 123;
211 pub const ENOSR: ::c_int = 124;
212 pub const ENOSTR: ::c_int = 125;
213 pub const ENOTCONN: ::c_int = 126;
214 pub const ENOTRECOVERABLE: ::c_int = 127;
215 pub const ENOTSOCK: ::c_int = 128;
216 pub const ENOTSUP: ::c_int = 129;
217 pub const EOPNOTSUPP: ::c_int = 130;
218 pub const EOVERFLOW: ::c_int = 132;
219 pub const EOWNERDEAD: ::c_int = 133;
220 pub const EPROTO: ::c_int = 134;
221 pub const EPROTONOSUPPORT: ::c_int = 135;
222 pub const EPROTOTYPE: ::c_int = 136;
223 pub const ETIME: ::c_int = 137;
224 pub const ETIMEDOUT: ::c_int = 138;
225 pub const ETXTBSY: ::c_int = 139;
226 pub const EWOULDBLOCK: ::c_int = 140;
227 
228 // signal codes
229 pub const SIGINT: ::c_int = 2;
230 pub const SIGILL: ::c_int = 4;
231 pub const SIGFPE: ::c_int = 8;
232 pub const SIGSEGV: ::c_int = 11;
233 pub const SIGTERM: ::c_int = 15;
234 pub const SIGABRT: ::c_int = 22;
235 pub const NSIG: ::c_int = 23;
236 pub const SIG_ERR: ::c_int = -1;
237 
238 // inline comment below appeases style checker
239 #[cfg(all(target_env = "msvc", feature = "rustc-dep-of-std"))] // " if "
240 #[link(name = "msvcrt", cfg(not(target_feature = "crt-static")))]
241 #[link(name = "libcmt", cfg(target_feature = "crt-static"))]
242 extern "C" {}
243 
244 #[cfg_attr(feature = "extra_traits", derive(Debug))]
245 pub enum FILE {}
246 impl ::Copy for FILE {}
247 impl ::Clone for FILE {
248     fn clone(&self) -> FILE {
249         *self
250     }
251 }
252 #[cfg_attr(feature = "extra_traits", derive(Debug))]
253 pub enum fpos_t {} // FIXME: fill this out with a struct
254 impl ::Copy for fpos_t {}
255 impl ::Clone for fpos_t {
256     fn clone(&self) -> fpos_t {
257         *self
258     }
259 }
260 
261 extern "C" {
262     pub fn isalnum(c: c_int) -> c_int;
263     pub fn isalpha(c: c_int) -> c_int;
264     pub fn iscntrl(c: c_int) -> c_int;
265     pub fn isdigit(c: c_int) -> c_int;
266     pub fn isgraph(c: c_int) -> c_int;
267     pub fn islower(c: c_int) -> c_int;
268     pub fn isprint(c: c_int) -> c_int;
269     pub fn ispunct(c: c_int) -> c_int;
270     pub fn isspace(c: c_int) -> c_int;
271     pub fn isupper(c: c_int) -> c_int;
272     pub fn isxdigit(c: c_int) -> c_int;
273     pub fn isblank(c: c_int) -> c_int;
274     pub fn tolower(c: c_int) -> c_int;
275     pub fn toupper(c: c_int) -> c_int;
276     pub fn fopen(filename: *const c_char, mode: *const c_char) -> *mut FILE;
277     pub fn freopen(filename: *const c_char, mode: *const c_char, file: *mut FILE) -> *mut FILE;
278     pub fn fflush(file: *mut FILE) -> c_int;
279     pub fn fclose(file: *mut FILE) -> c_int;
280     pub fn remove(filename: *const c_char) -> c_int;
281     pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;
282     pub fn tmpfile() -> *mut FILE;
283     pub fn setvbuf(stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t) -> c_int;
284     pub fn setbuf(stream: *mut FILE, buf: *mut c_char);
285     pub fn getchar() -> c_int;
286     pub fn putchar(c: c_int) -> c_int;
287     pub fn fgetc(stream: *mut FILE) -> c_int;
288     pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char;
289     pub fn fputc(c: c_int, stream: *mut FILE) -> c_int;
290     pub fn fputs(s: *const c_char, stream: *mut FILE) -> c_int;
291     pub fn puts(s: *const c_char) -> c_int;
292     pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;
293     pub fn fread(ptr: *mut c_void, size: size_t, nobj: size_t, stream: *mut FILE) -> size_t;
294     pub fn fwrite(ptr: *const c_void, size: size_t, nobj: size_t, stream: *mut FILE) -> size_t;
295     pub fn fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int;
296     pub fn ftell(stream: *mut FILE) -> c_long;
297     pub fn rewind(stream: *mut FILE);
298     pub fn fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int;
299     pub fn fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int;
300     pub fn feof(stream: *mut FILE) -> c_int;
301     pub fn ferror(stream: *mut FILE) -> c_int;
302     pub fn perror(s: *const c_char);
303     pub fn atoi(s: *const c_char) -> c_int;
304     pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
305     pub fn strtol(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_long;
306     pub fn strtoul(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulong;
307     pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
308     pub fn malloc(size: size_t) -> *mut c_void;
309     pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void;
310     pub fn free(p: *mut c_void);
311     pub fn abort() -> !;
312     pub fn exit(status: c_int) -> !;
313     pub fn _exit(status: c_int) -> !;
314     pub fn atexit(cb: extern "C" fn()) -> c_int;
315     pub fn system(s: *const c_char) -> c_int;
316     pub fn getenv(s: *const c_char) -> *mut c_char;
317 
318     pub fn strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char;
319     pub fn strncpy(dst: *mut c_char, src: *const c_char, n: size_t) -> *mut c_char;
320     pub fn strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char;
321     pub fn strncat(s: *mut c_char, ct: *const c_char, n: size_t) -> *mut c_char;
322     pub fn strcmp(cs: *const c_char, ct: *const c_char) -> c_int;
323     pub fn strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int;
324     pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;
325     pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char;
326     pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char;
327     pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t;
328     pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t;
329     pub fn strdup(cs: *const c_char) -> *mut c_char;
330     pub fn strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char;
331     pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
332     pub fn strlen(cs: *const c_char) -> size_t;
333     pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;
334     pub fn strerror(n: c_int) -> *mut c_char;
335     pub fn strtok(s: *mut c_char, t: *const c_char) -> *mut c_char;
336     pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;
337     pub fn wcslen(buf: *const wchar_t) -> size_t;
338     pub fn wcstombs(dest: *mut c_char, src: *const wchar_t, n: size_t) -> ::size_t;
339 
340     pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
341     pub fn memcmp(cx: *const c_void, ct: *const c_void, n: size_t) -> c_int;
342     pub fn memcpy(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
343     pub fn memmove(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
344     pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;
345 
346     pub fn abs(i: c_int) -> c_int;
347     pub fn atof(s: *const c_char) -> c_double;
348     pub fn labs(i: c_long) -> c_long;
349     pub fn rand() -> c_int;
350     pub fn srand(seed: c_uint);
351 
352     pub fn signal(signum: c_int, handler: sighandler_t) -> sighandler_t;
353     pub fn raise(signum: c_int) -> c_int;
354 
355     #[link_name = "_gmtime64_s"]
356     pub fn gmtime_s(destTime: *mut tm, srcTime: *const time_t) -> ::c_int;
357     #[link_name = "_time64"]
358     pub fn time(destTime: *mut time_t) -> time_t;
359     #[link_name = "_chmod"]
360     pub fn chmod(path: *const c_char, mode: ::c_int) -> ::c_int;
361     #[link_name = "_wchmod"]
362     pub fn wchmod(path: *const wchar_t, mode: ::c_int) -> ::c_int;
363     #[link_name = "_mkdir"]
364     pub fn mkdir(path: *const c_char) -> ::c_int;
365     #[link_name = "_wrmdir"]
366     pub fn wrmdir(path: *const wchar_t) -> ::c_int;
367     #[link_name = "_fstat64"]
368     pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
369     #[link_name = "_stat64"]
370     pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
371     #[link_name = "_wstat64"]
372     pub fn wstat(path: *const wchar_t, buf: *mut stat) -> ::c_int;
373     #[link_name = "_wutime64"]
374     pub fn wutime(file: *const wchar_t, buf: *mut utimbuf) -> ::c_int;
375     #[link_name = "_popen"]
376     pub fn popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE;
377     #[link_name = "_pclose"]
378     pub fn pclose(stream: *mut ::FILE) -> ::c_int;
379     #[link_name = "_fdopen"]
380     pub fn fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE;
381     #[link_name = "_fileno"]
382     pub fn fileno(stream: *mut ::FILE) -> ::c_int;
383     #[link_name = "_open"]
384     pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
385     #[link_name = "_wopen"]
386     pub fn wopen(path: *const wchar_t, oflag: ::c_int, ...) -> ::c_int;
387     #[link_name = "_creat"]
388     pub fn creat(path: *const c_char, mode: ::c_int) -> ::c_int;
389     #[link_name = "_access"]
390     pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
391     #[link_name = "_chdir"]
392     pub fn chdir(dir: *const c_char) -> ::c_int;
393     #[link_name = "_close"]
394     pub fn close(fd: ::c_int) -> ::c_int;
395     #[link_name = "_dup"]
396     pub fn dup(fd: ::c_int) -> ::c_int;
397     #[link_name = "_dup2"]
398     pub fn dup2(src: ::c_int, dst: ::c_int) -> ::c_int;
399     #[link_name = "_execl"]
400     pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
401     #[link_name = "_wexecl"]
402     pub fn wexecl(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
403     #[link_name = "_execle"]
404     pub fn execle(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
405     #[link_name = "_wexecle"]
406     pub fn wexecle(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
407     #[link_name = "_execlp"]
408     pub fn execlp(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
409     #[link_name = "_wexeclp"]
410     pub fn wexeclp(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
411     #[link_name = "_execlpe"]
412     pub fn execlpe(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
413     #[link_name = "_wexeclpe"]
414     pub fn wexeclpe(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
415     #[link_name = "_execv"]
416     pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::intptr_t;
417     #[link_name = "_execve"]
418     pub fn execve(
419         prog: *const c_char,
420         argv: *const *const c_char,
421         envp: *const *const c_char,
422     ) -> ::c_int;
423     #[link_name = "_execvp"]
424     pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;
425     #[link_name = "_execvpe"]
426     pub fn execvpe(
427         c: *const c_char,
428         argv: *const *const c_char,
429         envp: *const *const c_char,
430     ) -> ::c_int;
431     #[link_name = "_wexecv"]
432     pub fn wexecv(prog: *const wchar_t, argv: *const *const wchar_t) -> ::intptr_t;
433     #[link_name = "_wexecve"]
434     pub fn wexecve(
435         prog: *const wchar_t,
436         argv: *const *const wchar_t,
437         envp: *const *const wchar_t,
438     ) -> ::intptr_t;
439     #[link_name = "_wexecvp"]
440     pub fn wexecvp(c: *const wchar_t, argv: *const *const wchar_t) -> ::intptr_t;
441     #[link_name = "_wexecvpe"]
442     pub fn wexecvpe(
443         c: *const wchar_t,
444         argv: *const *const wchar_t,
445         envp: *const *const wchar_t,
446     ) -> ::intptr_t;
447     #[link_name = "_getcwd"]
448     pub fn getcwd(buf: *mut c_char, size: ::c_int) -> *mut c_char;
449     #[link_name = "_getpid"]
450     pub fn getpid() -> ::c_int;
451     #[link_name = "_isatty"]
452     pub fn isatty(fd: ::c_int) -> ::c_int;
453     #[link_name = "_lseek"]
454     pub fn lseek(fd: ::c_int, offset: c_long, origin: ::c_int) -> c_long;
455     #[link_name = "_lseeki64"]
456     pub fn lseek64(fd: ::c_int, offset: c_longlong, origin: ::c_int) -> c_longlong;
457     #[link_name = "_pipe"]
458     pub fn pipe(fds: *mut ::c_int, psize: ::c_uint, textmode: ::c_int) -> ::c_int;
459     #[link_name = "_read"]
460     pub fn read(fd: ::c_int, buf: *mut ::c_void, count: ::c_uint) -> ::c_int;
461     #[link_name = "_rmdir"]
462     pub fn rmdir(path: *const c_char) -> ::c_int;
463     #[link_name = "_unlink"]
464     pub fn unlink(c: *const c_char) -> ::c_int;
465     #[link_name = "_write"]
466     pub fn write(fd: ::c_int, buf: *const ::c_void, count: ::c_uint) -> ::c_int;
467     #[link_name = "_commit"]
468     pub fn commit(fd: ::c_int) -> ::c_int;
469     #[link_name = "_get_osfhandle"]
470     pub fn get_osfhandle(fd: ::c_int) -> ::intptr_t;
471     #[link_name = "_open_osfhandle"]
472     pub fn open_osfhandle(osfhandle: ::intptr_t, flags: ::c_int) -> ::c_int;
473     pub fn setlocale(category: ::c_int, locale: *const c_char) -> *mut c_char;
474     #[link_name = "_wsetlocale"]
475     pub fn wsetlocale(category: ::c_int, locale: *const wchar_t) -> *mut wchar_t;
476     #[link_name = "_aligned_malloc"]
477     pub fn aligned_malloc(size: size_t, alignment: size_t) -> *mut c_void;
478 }
479 
480 extern "system" {
481     pub fn listen(s: SOCKET, backlog: ::c_int) -> ::c_int;
482     pub fn accept(s: SOCKET, addr: *mut ::sockaddr, addrlen: *mut ::c_int) -> SOCKET;
483     pub fn bind(s: SOCKET, name: *const ::sockaddr, namelen: ::c_int) -> ::c_int;
484     pub fn connect(s: SOCKET, name: *const ::sockaddr, namelen: ::c_int) -> ::c_int;
485     pub fn getpeername(s: SOCKET, name: *mut ::sockaddr, nameln: *mut ::c_int) -> ::c_int;
486     pub fn getsockname(s: SOCKET, name: *mut ::sockaddr, nameln: *mut ::c_int) -> ::c_int;
487     pub fn getsockopt(
488         s: SOCKET,
489         level: ::c_int,
490         optname: ::c_int,
491         optval: *mut ::c_char,
492         optlen: *mut ::c_int,
493     ) -> ::c_int;
494     pub fn recvfrom(
495         s: SOCKET,
496         buf: *mut ::c_char,
497         len: ::c_int,
498         flags: ::c_int,
499         from: *mut ::sockaddr,
500         fromlen: *mut ::c_int,
501     ) -> ::c_int;
502     pub fn sendto(
503         s: SOCKET,
504         buf: *const ::c_char,
505         len: ::c_int,
506         flags: ::c_int,
507         to: *const ::sockaddr,
508         tolen: ::c_int,
509     ) -> ::c_int;
510     pub fn setsockopt(
511         s: SOCKET,
512         level: ::c_int,
513         optname: ::c_int,
514         optval: *const ::c_char,
515         optlen: ::c_int,
516     ) -> ::c_int;
517     pub fn socket(af: ::c_int, socket_type: ::c_int, protocol: ::c_int) -> SOCKET;
518 }
519 
520 cfg_if! {
521     if #[cfg(libc_core_cvoid)] {
522         pub use ::ffi::c_void;
523     } else {
524         // Use repr(u8) as LLVM expects `void*` to be the same as `i8*` to help
525         // enable more optimization opportunities around it recognizing things
526         // like malloc/free.
527         #[repr(u8)]
528         #[allow(missing_copy_implementations)]
529         #[allow(missing_debug_implementations)]
530         pub enum c_void {
531             // Two dummy variants so the #[repr] attribute can be used.
532             #[doc(hidden)]
533             __variant1,
534             #[doc(hidden)]
535             __variant2,
536         }
537     }
538 }
539 
540 cfg_if! {
541     if #[cfg(all(target_env = "gnu"))] {
542         mod gnu;
543         pub use self::gnu::*;
544     } else if #[cfg(all(target_env = "msvc"))] {
545         mod msvc;
546         pub use self::msvc::*;
547     } else {
548         // Unknown target_env
549     }
550 }
551