xref: /third_party/rust/crates/libc/src/windows/mod.rs (revision 2add0d91)
1//! Windows CRT definitions
2
3pub type c_schar = i8;
4pub type c_uchar = u8;
5pub type c_short = i16;
6pub type c_ushort = u16;
7pub type c_int = i32;
8pub type c_uint = u32;
9pub type c_float = f32;
10pub type c_double = f64;
11pub type c_longlong = i64;
12pub type c_ulonglong = u64;
13pub type intmax_t = i64;
14pub type uintmax_t = u64;
15
16pub type size_t = usize;
17pub type ptrdiff_t = isize;
18pub type intptr_t = isize;
19pub type uintptr_t = usize;
20pub type ssize_t = isize;
21pub type sighandler_t = usize;
22
23pub type c_char = i8;
24pub type c_long = i32;
25pub type c_ulong = u32;
26pub type wchar_t = u16;
27
28pub type clock_t = i32;
29
30pub type errno_t = ::c_int;
31
32cfg_if! {
33    if #[cfg(all(target_arch = "x86", target_env = "gnu"))] {
34        pub type time_t = i32;
35    } else {
36        pub type time_t = i64;
37    }
38}
39
40pub type off_t = i32;
41pub type dev_t = u32;
42pub type ino_t = u16;
43#[cfg_attr(feature = "extra_traits", derive(Debug))]
44pub enum timezone {}
45impl ::Copy for timezone {}
46impl ::Clone for timezone {
47    fn clone(&self) -> timezone {
48        *self
49    }
50}
51pub type time64_t = i64;
52
53pub type SOCKET = ::uintptr_t;
54
55s! {
56    // note this is the struct called stat64 in Windows. Not stat, nor stati64.
57    pub struct stat {
58        pub st_dev: dev_t,
59        pub st_ino: ino_t,
60        pub st_mode: u16,
61        pub st_nlink: ::c_short,
62        pub st_uid: ::c_short,
63        pub st_gid: ::c_short,
64        pub st_rdev: dev_t,
65        pub st_size: i64,
66        pub st_atime: time64_t,
67        pub st_mtime: time64_t,
68        pub st_ctime: time64_t,
69    }
70
71    // note that this is called utimbuf64 in Windows
72    pub struct utimbuf {
73        pub actime: time64_t,
74        pub modtime: time64_t,
75    }
76
77    pub struct tm {
78        pub tm_sec: ::c_int,
79        pub tm_min: ::c_int,
80        pub tm_hour: ::c_int,
81        pub tm_mday: ::c_int,
82        pub tm_mon: ::c_int,
83        pub tm_year: ::c_int,
84        pub tm_wday: ::c_int,
85        pub tm_yday: ::c_int,
86        pub tm_isdst: ::c_int,
87    }
88
89    pub struct timeval {
90        pub tv_sec: c_long,
91        pub tv_usec: c_long,
92    }
93
94    pub struct timespec {
95        pub tv_sec: time_t,
96        pub tv_nsec: c_long,
97    }
98
99    pub struct sockaddr {
100        pub sa_family: c_ushort,
101        pub sa_data: [c_char; 14],
102    }
103}
104
105pub const INT_MIN: c_int = -2147483648;
106pub const INT_MAX: c_int = 2147483647;
107
108pub const EXIT_FAILURE: ::c_int = 1;
109pub const EXIT_SUCCESS: ::c_int = 0;
110pub const RAND_MAX: ::c_int = 32767;
111pub const EOF: ::c_int = -1;
112pub const SEEK_SET: ::c_int = 0;
113pub const SEEK_CUR: ::c_int = 1;
114pub const SEEK_END: ::c_int = 2;
115pub const _IOFBF: ::c_int = 0;
116pub const _IONBF: ::c_int = 4;
117pub const _IOLBF: ::c_int = 64;
118pub const BUFSIZ: ::c_uint = 512;
119pub const FOPEN_MAX: ::c_uint = 20;
120pub const FILENAME_MAX: ::c_uint = 260;
121
122// fcntl.h
123pub const O_RDONLY: ::c_int = 0x0000;
124pub const O_WRONLY: ::c_int = 0x0001;
125pub const O_RDWR: ::c_int = 0x0002;
126pub const O_APPEND: ::c_int = 0x0008;
127pub const O_CREAT: ::c_int = 0x0100;
128pub const O_TRUNC: ::c_int = 0x0200;
129pub const O_EXCL: ::c_int = 0x0400;
130pub const O_TEXT: ::c_int = 0x4000;
131pub const O_BINARY: ::c_int = 0x8000;
132pub const _O_WTEXT: ::c_int = 0x10000;
133pub const _O_U16TEXT: ::c_int = 0x20000;
134pub const _O_U8TEXT: ::c_int = 0x40000;
135pub const O_RAW: ::c_int = O_BINARY;
136pub const O_NOINHERIT: ::c_int = 0x0080;
137pub const O_TEMPORARY: ::c_int = 0x0040;
138pub const _O_SHORT_LIVED: ::c_int = 0x1000;
139pub const _O_OBTAIN_DIR: ::c_int = 0x2000;
140pub const O_SEQUENTIAL: ::c_int = 0x0020;
141pub const O_RANDOM: ::c_int = 0x0010;
142
143pub const S_IFCHR: ::c_int = 8192;
144pub const S_IFDIR: ::c_int = 16384;
145pub const S_IFREG: ::c_int = 32768;
146pub const S_IFMT: ::c_int = 61440;
147pub const S_IEXEC: ::c_int = 64;
148pub const S_IWRITE: ::c_int = 128;
149pub const S_IREAD: ::c_int = 256;
150
151pub const LC_ALL: ::c_int = 0;
152pub const LC_COLLATE: ::c_int = 1;
153pub const LC_CTYPE: ::c_int = 2;
154pub const LC_MONETARY: ::c_int = 3;
155pub const LC_NUMERIC: ::c_int = 4;
156pub const LC_TIME: ::c_int = 5;
157
158pub const EPERM: ::c_int = 1;
159pub const ENOENT: ::c_int = 2;
160pub const ESRCH: ::c_int = 3;
161pub const EINTR: ::c_int = 4;
162pub const EIO: ::c_int = 5;
163pub const ENXIO: ::c_int = 6;
164pub const E2BIG: ::c_int = 7;
165pub const ENOEXEC: ::c_int = 8;
166pub const EBADF: ::c_int = 9;
167pub const ECHILD: ::c_int = 10;
168pub const EAGAIN: ::c_int = 11;
169pub const ENOMEM: ::c_int = 12;
170pub const EACCES: ::c_int = 13;
171pub const EFAULT: ::c_int = 14;
172pub const EBUSY: ::c_int = 16;
173pub const EEXIST: ::c_int = 17;
174pub const EXDEV: ::c_int = 18;
175pub const ENODEV: ::c_int = 19;
176pub const ENOTDIR: ::c_int = 20;
177pub const EISDIR: ::c_int = 21;
178pub const EINVAL: ::c_int = 22;
179pub const ENFILE: ::c_int = 23;
180pub const EMFILE: ::c_int = 24;
181pub const ENOTTY: ::c_int = 25;
182pub const EFBIG: ::c_int = 27;
183pub const ENOSPC: ::c_int = 28;
184pub const ESPIPE: ::c_int = 29;
185pub const EROFS: ::c_int = 30;
186pub const EMLINK: ::c_int = 31;
187pub const EPIPE: ::c_int = 32;
188pub const EDOM: ::c_int = 33;
189pub const ERANGE: ::c_int = 34;
190pub const EDEADLK: ::c_int = 36;
191pub const EDEADLOCK: ::c_int = 36;
192pub const ENAMETOOLONG: ::c_int = 38;
193pub const ENOLCK: ::c_int = 39;
194pub const ENOSYS: ::c_int = 40;
195pub const ENOTEMPTY: ::c_int = 41;
196pub const EILSEQ: ::c_int = 42;
197pub const STRUNCATE: ::c_int = 80;
198
199// POSIX Supplement (from errno.h)
200pub const EADDRINUSE: ::c_int = 100;
201pub const EADDRNOTAVAIL: ::c_int = 101;
202pub const EAFNOSUPPORT: ::c_int = 102;
203pub const EALREADY: ::c_int = 103;
204pub const EBADMSG: ::c_int = 104;
205pub const ECANCELED: ::c_int = 105;
206pub const ECONNABORTED: ::c_int = 106;
207pub const ECONNREFUSED: ::c_int = 107;
208pub const ECONNRESET: ::c_int = 108;
209pub const EDESTADDRREQ: ::c_int = 109;
210pub const EHOSTUNREACH: ::c_int = 110;
211pub const EIDRM: ::c_int = 111;
212pub const EINPROGRESS: ::c_int = 112;
213pub const EISCONN: ::c_int = 113;
214pub const ELOOP: ::c_int = 114;
215pub const EMSGSIZE: ::c_int = 115;
216pub const ENETDOWN: ::c_int = 116;
217pub const ENETRESET: ::c_int = 117;
218pub const ENETUNREACH: ::c_int = 118;
219pub const ENOBUFS: ::c_int = 119;
220pub const ENODATA: ::c_int = 120;
221pub const ENOLINK: ::c_int = 121;
222pub const ENOMSG: ::c_int = 122;
223pub const ENOPROTOOPT: ::c_int = 123;
224pub const ENOSR: ::c_int = 124;
225pub const ENOSTR: ::c_int = 125;
226pub const ENOTCONN: ::c_int = 126;
227pub const ENOTRECOVERABLE: ::c_int = 127;
228pub const ENOTSOCK: ::c_int = 128;
229pub const ENOTSUP: ::c_int = 129;
230pub const EOPNOTSUPP: ::c_int = 130;
231pub const EOVERFLOW: ::c_int = 132;
232pub const EOWNERDEAD: ::c_int = 133;
233pub const EPROTO: ::c_int = 134;
234pub const EPROTONOSUPPORT: ::c_int = 135;
235pub const EPROTOTYPE: ::c_int = 136;
236pub const ETIME: ::c_int = 137;
237pub const ETIMEDOUT: ::c_int = 138;
238pub const ETXTBSY: ::c_int = 139;
239pub const EWOULDBLOCK: ::c_int = 140;
240
241// signal codes
242pub const SIGINT: ::c_int = 2;
243pub const SIGILL: ::c_int = 4;
244pub const SIGFPE: ::c_int = 8;
245pub const SIGSEGV: ::c_int = 11;
246pub const SIGTERM: ::c_int = 15;
247pub const SIGABRT: ::c_int = 22;
248pub const NSIG: ::c_int = 23;
249
250pub const SIG_ERR: ::c_int = -1;
251pub const SIG_DFL: ::sighandler_t = 0;
252pub const SIG_IGN: ::sighandler_t = 1;
253pub const SIG_GET: ::sighandler_t = 2;
254pub const SIG_SGE: ::sighandler_t = 3;
255pub const SIG_ACK: ::sighandler_t = 4;
256
257// inline comment below appeases style checker
258#[cfg(all(target_env = "msvc", feature = "rustc-dep-of-std"))] // " if "
259#[link(name = "msvcrt", cfg(not(target_feature = "crt-static")))]
260#[link(name = "libcmt", cfg(target_feature = "crt-static"))]
261extern "C" {}
262
263#[cfg_attr(feature = "extra_traits", derive(Debug))]
264pub enum FILE {}
265impl ::Copy for FILE {}
266impl ::Clone for FILE {
267    fn clone(&self) -> FILE {
268        *self
269    }
270}
271#[cfg_attr(feature = "extra_traits", derive(Debug))]
272pub enum fpos_t {} // FIXME: fill this out with a struct
273impl ::Copy for fpos_t {}
274impl ::Clone for fpos_t {
275    fn clone(&self) -> fpos_t {
276        *self
277    }
278}
279
280// Special handling for all print and scan type functions because of https://github.com/rust-lang/libc/issues/2860
281#[cfg_attr(
282    all(windows, target_env = "msvc"),
283    link(name = "legacy_stdio_definitions")
284)]
285extern "C" {
286    pub fn printf(format: *const c_char, ...) -> ::c_int;
287    pub fn fprintf(stream: *mut FILE, format: *const c_char, ...) -> ::c_int;
288}
289
290extern "C" {
291    pub fn isalnum(c: c_int) -> c_int;
292    pub fn isalpha(c: c_int) -> c_int;
293    pub fn iscntrl(c: c_int) -> c_int;
294    pub fn isdigit(c: c_int) -> c_int;
295    pub fn isgraph(c: c_int) -> c_int;
296    pub fn islower(c: c_int) -> c_int;
297    pub fn isprint(c: c_int) -> c_int;
298    pub fn ispunct(c: c_int) -> c_int;
299    pub fn isspace(c: c_int) -> c_int;
300    pub fn isupper(c: c_int) -> c_int;
301    pub fn isxdigit(c: c_int) -> c_int;
302    pub fn isblank(c: c_int) -> c_int;
303    pub fn tolower(c: c_int) -> c_int;
304    pub fn toupper(c: c_int) -> c_int;
305    pub fn fopen(filename: *const c_char, mode: *const c_char) -> *mut FILE;
306    pub fn freopen(filename: *const c_char, mode: *const c_char, file: *mut FILE) -> *mut FILE;
307    pub fn fflush(file: *mut FILE) -> c_int;
308    pub fn fclose(file: *mut FILE) -> c_int;
309    pub fn remove(filename: *const c_char) -> c_int;
310    pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;
311    pub fn tmpfile() -> *mut FILE;
312    pub fn setvbuf(stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t) -> c_int;
313    pub fn setbuf(stream: *mut FILE, buf: *mut c_char);
314    pub fn getchar() -> c_int;
315    pub fn putchar(c: c_int) -> c_int;
316    pub fn fgetc(stream: *mut FILE) -> c_int;
317    pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char;
318    pub fn fputc(c: c_int, stream: *mut FILE) -> c_int;
319    pub fn fputs(s: *const c_char, stream: *mut FILE) -> c_int;
320    pub fn puts(s: *const c_char) -> c_int;
321    pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;
322    pub fn fread(ptr: *mut c_void, size: size_t, nobj: size_t, stream: *mut FILE) -> size_t;
323    pub fn fwrite(ptr: *const c_void, size: size_t, nobj: size_t, stream: *mut FILE) -> size_t;
324    pub fn fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int;
325    pub fn ftell(stream: *mut FILE) -> c_long;
326    pub fn rewind(stream: *mut FILE);
327    pub fn fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int;
328    pub fn fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int;
329    pub fn feof(stream: *mut FILE) -> c_int;
330    pub fn ferror(stream: *mut FILE) -> c_int;
331    pub fn perror(s: *const c_char);
332    pub fn atof(s: *const c_char) -> c_double;
333    pub fn atoi(s: *const c_char) -> c_int;
334    pub fn atol(s: *const c_char) -> c_long;
335    pub fn atoll(s: *const c_char) -> c_longlong;
336    pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
337    pub fn strtof(s: *const c_char, endp: *mut *mut c_char) -> c_float;
338    pub fn strtol(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_long;
339    pub fn strtoll(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_longlong;
340    pub fn strtoul(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulong;
341    pub fn strtoull(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulonglong;
342    pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
343    pub fn malloc(size: size_t) -> *mut c_void;
344    pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void;
345    pub fn free(p: *mut c_void);
346    pub fn abort() -> !;
347    pub fn exit(status: c_int) -> !;
348    pub fn _exit(status: c_int) -> !;
349    pub fn atexit(cb: extern "C" fn()) -> c_int;
350    pub fn system(s: *const c_char) -> c_int;
351    pub fn getenv(s: *const c_char) -> *mut c_char;
352
353    pub fn strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char;
354    pub fn strncpy(dst: *mut c_char, src: *const c_char, n: size_t) -> *mut c_char;
355    pub fn strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char;
356    pub fn strncat(s: *mut c_char, ct: *const c_char, n: size_t) -> *mut c_char;
357    pub fn strcmp(cs: *const c_char, ct: *const c_char) -> c_int;
358    pub fn strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int;
359    pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;
360    pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char;
361    pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char;
362    pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t;
363    pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t;
364    pub fn strdup(cs: *const c_char) -> *mut c_char;
365    pub fn strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char;
366    pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
367    pub fn strlen(cs: *const c_char) -> size_t;
368    pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;
369    pub fn strerror(n: c_int) -> *mut c_char;
370    pub fn strtok(s: *mut c_char, t: *const c_char) -> *mut c_char;
371    pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;
372    pub fn wcslen(buf: *const wchar_t) -> size_t;
373    pub fn wcstombs(dest: *mut c_char, src: *const wchar_t, n: size_t) -> ::size_t;
374
375    pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
376    pub fn memcmp(cx: *const c_void, ct: *const c_void, n: size_t) -> c_int;
377    pub fn memcpy(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
378    pub fn memmove(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
379    pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;
380
381    pub fn abs(i: c_int) -> c_int;
382    pub fn labs(i: c_long) -> c_long;
383    pub fn rand() -> c_int;
384    pub fn srand(seed: c_uint);
385
386    pub fn signal(signum: c_int, handler: sighandler_t) -> sighandler_t;
387    pub fn raise(signum: c_int) -> c_int;
388
389    #[link_name = "_gmtime64_s"]
390    pub fn gmtime_s(destTime: *mut tm, srcTime: *const time_t) -> ::c_int;
391    #[link_name = "_localtime64_s"]
392    pub fn localtime_s(tmDest: *mut tm, sourceTime: *const time_t) -> ::errno_t;
393    #[link_name = "_time64"]
394    pub fn time(destTime: *mut time_t) -> time_t;
395    #[link_name = "_chmod"]
396    pub fn chmod(path: *const c_char, mode: ::c_int) -> ::c_int;
397    #[link_name = "_wchmod"]
398    pub fn wchmod(path: *const wchar_t, mode: ::c_int) -> ::c_int;
399    #[link_name = "_mkdir"]
400    pub fn mkdir(path: *const c_char) -> ::c_int;
401    #[link_name = "_wrmdir"]
402    pub fn wrmdir(path: *const wchar_t) -> ::c_int;
403    #[link_name = "_fstat64"]
404    pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
405    #[link_name = "_stat64"]
406    pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
407    #[link_name = "_wstat64"]
408    pub fn wstat(path: *const wchar_t, buf: *mut stat) -> ::c_int;
409    #[link_name = "_wutime64"]
410    pub fn wutime(file: *const wchar_t, buf: *mut utimbuf) -> ::c_int;
411    #[link_name = "_popen"]
412    pub fn popen(command: *const c_char, mode: *const c_char) -> *mut ::FILE;
413    #[link_name = "_pclose"]
414    pub fn pclose(stream: *mut ::FILE) -> ::c_int;
415    #[link_name = "_fdopen"]
416    pub fn fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE;
417    #[link_name = "_fileno"]
418    pub fn fileno(stream: *mut ::FILE) -> ::c_int;
419    #[link_name = "_open"]
420    pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
421    #[link_name = "_wopen"]
422    pub fn wopen(path: *const wchar_t, oflag: ::c_int, ...) -> ::c_int;
423    #[link_name = "_creat"]
424    pub fn creat(path: *const c_char, mode: ::c_int) -> ::c_int;
425    #[link_name = "_access"]
426    pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
427    #[link_name = "_chdir"]
428    pub fn chdir(dir: *const c_char) -> ::c_int;
429    #[link_name = "_close"]
430    pub fn close(fd: ::c_int) -> ::c_int;
431    #[link_name = "_dup"]
432    pub fn dup(fd: ::c_int) -> ::c_int;
433    #[link_name = "_dup2"]
434    pub fn dup2(src: ::c_int, dst: ::c_int) -> ::c_int;
435    #[link_name = "_execl"]
436    pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
437    #[link_name = "_wexecl"]
438    pub fn wexecl(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
439    #[link_name = "_execle"]
440    pub fn execle(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
441    #[link_name = "_wexecle"]
442    pub fn wexecle(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
443    #[link_name = "_execlp"]
444    pub fn execlp(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
445    #[link_name = "_wexeclp"]
446    pub fn wexeclp(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
447    #[link_name = "_execlpe"]
448    pub fn execlpe(path: *const c_char, arg0: *const c_char, ...) -> intptr_t;
449    #[link_name = "_wexeclpe"]
450    pub fn wexeclpe(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
451    #[link_name = "_execv"]
452    pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::intptr_t;
453    #[link_name = "_execve"]
454    pub fn execve(
455        prog: *const c_char,
456        argv: *const *const c_char,
457        envp: *const *const c_char,
458    ) -> ::c_int;
459    #[link_name = "_execvp"]
460    pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;
461    #[link_name = "_execvpe"]
462    pub fn execvpe(
463        c: *const c_char,
464        argv: *const *const c_char,
465        envp: *const *const c_char,
466    ) -> ::c_int;
467    #[link_name = "_wexecv"]
468    pub fn wexecv(prog: *const wchar_t, argv: *const *const wchar_t) -> ::intptr_t;
469    #[link_name = "_wexecve"]
470    pub fn wexecve(
471        prog: *const wchar_t,
472        argv: *const *const wchar_t,
473        envp: *const *const wchar_t,
474    ) -> ::intptr_t;
475    #[link_name = "_wexecvp"]
476    pub fn wexecvp(c: *const wchar_t, argv: *const *const wchar_t) -> ::intptr_t;
477    #[link_name = "_wexecvpe"]
478    pub fn wexecvpe(
479        c: *const wchar_t,
480        argv: *const *const wchar_t,
481        envp: *const *const wchar_t,
482    ) -> ::intptr_t;
483    #[link_name = "_getcwd"]
484    pub fn getcwd(buf: *mut c_char, size: ::c_int) -> *mut c_char;
485    #[link_name = "_getpid"]
486    pub fn getpid() -> ::c_int;
487    #[link_name = "_isatty"]
488    pub fn isatty(fd: ::c_int) -> ::c_int;
489    #[link_name = "_lseek"]
490    pub fn lseek(fd: ::c_int, offset: c_long, origin: ::c_int) -> c_long;
491    #[link_name = "_lseeki64"]
492    pub fn lseek64(fd: ::c_int, offset: c_longlong, origin: ::c_int) -> c_longlong;
493    #[link_name = "_pipe"]
494    pub fn pipe(fds: *mut ::c_int, psize: ::c_uint, textmode: ::c_int) -> ::c_int;
495    #[link_name = "_read"]
496    pub fn read(fd: ::c_int, buf: *mut ::c_void, count: ::c_uint) -> ::c_int;
497    #[link_name = "_rmdir"]
498    pub fn rmdir(path: *const c_char) -> ::c_int;
499    #[link_name = "_unlink"]
500    pub fn unlink(c: *const c_char) -> ::c_int;
501    #[link_name = "_write"]
502    pub fn write(fd: ::c_int, buf: *const ::c_void, count: ::c_uint) -> ::c_int;
503    #[link_name = "_commit"]
504    pub fn commit(fd: ::c_int) -> ::c_int;
505    #[link_name = "_get_osfhandle"]
506    pub fn get_osfhandle(fd: ::c_int) -> ::intptr_t;
507    #[link_name = "_open_osfhandle"]
508    pub fn open_osfhandle(osfhandle: ::intptr_t, flags: ::c_int) -> ::c_int;
509    pub fn setlocale(category: ::c_int, locale: *const c_char) -> *mut c_char;
510    #[link_name = "_wsetlocale"]
511    pub fn wsetlocale(category: ::c_int, locale: *const wchar_t) -> *mut wchar_t;
512    #[link_name = "_aligned_malloc"]
513    pub fn aligned_malloc(size: size_t, alignment: size_t) -> *mut c_void;
514    #[link_name = "_aligned_free"]
515    pub fn aligned_free(ptr: *mut ::c_void);
516    #[link_name = "_putenv"]
517    pub fn putenv(envstring: *const ::c_char) -> ::c_int;
518    #[link_name = "_wputenv"]
519    pub fn wputenv(envstring: *const ::wchar_t) -> ::c_int;
520    #[link_name = "_putenv_s"]
521    pub fn putenv_s(envstring: *const ::c_char, value_string: *const ::c_char) -> ::errno_t;
522    #[link_name = "_wputenv_s"]
523    pub fn wputenv_s(envstring: *const ::wchar_t, value_string: *const ::wchar_t) -> ::errno_t;
524}
525
526extern "system" {
527    pub fn listen(s: SOCKET, backlog: ::c_int) -> ::c_int;
528    pub fn accept(s: SOCKET, addr: *mut ::sockaddr, addrlen: *mut ::c_int) -> SOCKET;
529    pub fn bind(s: SOCKET, name: *const ::sockaddr, namelen: ::c_int) -> ::c_int;
530    pub fn connect(s: SOCKET, name: *const ::sockaddr, namelen: ::c_int) -> ::c_int;
531    pub fn getpeername(s: SOCKET, name: *mut ::sockaddr, nameln: *mut ::c_int) -> ::c_int;
532    pub fn getsockname(s: SOCKET, name: *mut ::sockaddr, nameln: *mut ::c_int) -> ::c_int;
533    pub fn getsockopt(
534        s: SOCKET,
535        level: ::c_int,
536        optname: ::c_int,
537        optval: *mut ::c_char,
538        optlen: *mut ::c_int,
539    ) -> ::c_int;
540    pub fn recvfrom(
541        s: SOCKET,
542        buf: *mut ::c_char,
543        len: ::c_int,
544        flags: ::c_int,
545        from: *mut ::sockaddr,
546        fromlen: *mut ::c_int,
547    ) -> ::c_int;
548    pub fn sendto(
549        s: SOCKET,
550        buf: *const ::c_char,
551        len: ::c_int,
552        flags: ::c_int,
553        to: *const ::sockaddr,
554        tolen: ::c_int,
555    ) -> ::c_int;
556    pub fn setsockopt(
557        s: SOCKET,
558        level: ::c_int,
559        optname: ::c_int,
560        optval: *const ::c_char,
561        optlen: ::c_int,
562    ) -> ::c_int;
563    pub fn socket(af: ::c_int, socket_type: ::c_int, protocol: ::c_int) -> SOCKET;
564}
565
566cfg_if! {
567    if #[cfg(libc_core_cvoid)] {
568        pub use ::ffi::c_void;
569    } else {
570        // Use repr(u8) as LLVM expects `void*` to be the same as `i8*` to help
571        // enable more optimization opportunities around it recognizing things
572        // like malloc/free.
573        #[repr(u8)]
574        #[allow(missing_copy_implementations)]
575        #[allow(missing_debug_implementations)]
576        pub enum c_void {
577            // Two dummy variants so the #[repr] attribute can be used.
578            #[doc(hidden)]
579            __variant1,
580            #[doc(hidden)]
581            __variant2,
582        }
583    }
584}
585
586cfg_if! {
587    if #[cfg(all(target_env = "gnu"))] {
588        mod gnu;
589        pub use self::gnu::*;
590    } else if #[cfg(all(target_env = "msvc"))] {
591        mod msvc;
592        pub use self::msvc::*;
593    } else {
594        // Unknown target_env
595    }
596}
597