1 //! Definitions found commonly among almost all Unix derivatives
2 //!
3 //! More functions and definitions can be found in the more specific modules
4 //! according to the platform in question.
5 
6 pub type c_schar = i8;
7 pub type c_uchar = u8;
8 pub type c_short = i16;
9 pub type c_ushort = u16;
10 pub type c_int = i32;
11 pub type c_uint = u32;
12 pub type c_float = f32;
13 pub type c_double = f64;
14 pub type c_longlong = i64;
15 pub type c_ulonglong = u64;
16 pub type intmax_t = i64;
17 pub type uintmax_t = u64;
18 
19 pub type size_t = usize;
20 pub type ptrdiff_t = isize;
21 pub type intptr_t = isize;
22 pub type uintptr_t = usize;
23 pub type ssize_t = isize;
24 
25 pub type pid_t = i32;
26 pub type uid_t = u32;
27 pub type gid_t = u32;
28 pub type in_addr_t = u32;
29 pub type in_port_t = u16;
30 pub type sighandler_t = ::size_t;
31 pub type cc_t = ::c_uchar;
32 
33 #[cfg_attr(feature = "extra_traits", derive(Debug))]
34 pub enum DIR {}
35 impl ::Copy for DIR {}
36 impl ::Clone for DIR {
clone(&self) -> DIR37     fn clone(&self) -> DIR {
38         *self
39     }
40 }
41 pub type locale_t = *mut ::c_void;
42 
43 s! {
44     pub struct group {
45         pub gr_name: *mut ::c_char,
46         pub gr_passwd: *mut ::c_char,
47         pub gr_gid: ::gid_t,
48         pub gr_mem: *mut *mut ::c_char,
49     }
50 
51     pub struct utimbuf {
52         pub actime: time_t,
53         pub modtime: time_t,
54     }
55 
56     pub struct timeval {
57         pub tv_sec: time_t,
58         pub tv_usec: suseconds_t,
59     }
60 
61     // linux x32 compatibility
62     // See https://sourceware.org/bugzilla/show_bug.cgi?id=16437
63     pub struct timespec {
64         pub tv_sec: time_t,
65         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
66         pub tv_nsec: i64,
67         #[cfg(not(all(target_arch = "x86_64", target_pointer_width = "32")))]
68         pub tv_nsec: ::c_long,
69     }
70 
71     pub struct rlimit {
72         pub rlim_cur: rlim_t,
73         pub rlim_max: rlim_t,
74     }
75 
76     pub struct rusage {
77         pub ru_utime: timeval,
78         pub ru_stime: timeval,
79         pub ru_maxrss: c_long,
80         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
81         __pad1: u32,
82         pub ru_ixrss: c_long,
83         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
84         __pad2: u32,
85         pub ru_idrss: c_long,
86         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
87         __pad3: u32,
88         pub ru_isrss: c_long,
89         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
90         __pad4: u32,
91         pub ru_minflt: c_long,
92         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
93         __pad5: u32,
94         pub ru_majflt: c_long,
95         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
96         __pad6: u32,
97         pub ru_nswap: c_long,
98         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
99         __pad7: u32,
100         pub ru_inblock: c_long,
101         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
102         __pad8: u32,
103         pub ru_oublock: c_long,
104         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
105         __pad9: u32,
106         pub ru_msgsnd: c_long,
107         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
108         __pad10: u32,
109         pub ru_msgrcv: c_long,
110         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
111         __pad11: u32,
112         pub ru_nsignals: c_long,
113         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
114         __pad12: u32,
115         pub ru_nvcsw: c_long,
116         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
117         __pad13: u32,
118         pub ru_nivcsw: c_long,
119         #[cfg(all(target_arch = "x86_64", target_pointer_width = "32"))]
120         __pad14: u32,
121 
122         #[cfg(any(target_env = "musl", target_os = "emscripten"))]
123         __reserved: [c_long; 16],
124     }
125 
126     pub struct ipv6_mreq {
127         pub ipv6mr_multiaddr: in6_addr,
128         #[cfg(target_os = "android")]
129         pub ipv6mr_interface: ::c_int,
130         #[cfg(not(target_os = "android"))]
131         pub ipv6mr_interface: ::c_uint,
132     }
133 
134     pub struct hostent {
135         pub h_name: *mut ::c_char,
136         pub h_aliases: *mut *mut ::c_char,
137         pub h_addrtype: ::c_int,
138         pub h_length: ::c_int,
139         pub h_addr_list: *mut *mut ::c_char,
140     }
141 
142     pub struct iovec {
143         pub iov_base: *mut ::c_void,
144         pub iov_len: ::size_t,
145     }
146 
147     pub struct pollfd {
148         pub fd: ::c_int,
149         pub events: ::c_short,
150         pub revents: ::c_short,
151     }
152 
153     pub struct winsize {
154         pub ws_row: ::c_ushort,
155         pub ws_col: ::c_ushort,
156         pub ws_xpixel: ::c_ushort,
157         pub ws_ypixel: ::c_ushort,
158     }
159 
160     pub struct linger {
161         pub l_onoff: ::c_int,
162         pub l_linger: ::c_int,
163     }
164 
165     pub struct sigval {
166         // Actually a union of an int and a void*
167         pub sival_ptr: *mut ::c_void
168     }
169 
170     // <sys/time.h>
171     pub struct itimerval {
172         pub it_interval: ::timeval,
173         pub it_value: ::timeval,
174     }
175 
176     // <sys/times.h>
177     pub struct tms {
178         pub tms_utime: ::clock_t,
179         pub tms_stime: ::clock_t,
180         pub tms_cutime: ::clock_t,
181         pub tms_cstime: ::clock_t,
182     }
183 
184     pub struct servent {
185         pub s_name: *mut ::c_char,
186         pub s_aliases: *mut *mut ::c_char,
187         pub s_port: ::c_int,
188         pub s_proto: *mut ::c_char,
189     }
190 
191     pub struct protoent {
192         pub p_name: *mut ::c_char,
193         pub p_aliases: *mut *mut ::c_char,
194         pub p_proto: ::c_int,
195     }
196 }
197 
198 pub const INT_MIN: c_int = -2147483648;
199 pub const INT_MAX: c_int = 2147483647;
200 
201 pub const SIG_DFL: sighandler_t = 0 as sighandler_t;
202 pub const SIG_IGN: sighandler_t = 1 as sighandler_t;
203 pub const SIG_ERR: sighandler_t = !0 as sighandler_t;
204 
205 pub const DT_UNKNOWN: u8 = 0;
206 pub const DT_FIFO: u8 = 1;
207 pub const DT_CHR: u8 = 2;
208 pub const DT_DIR: u8 = 4;
209 pub const DT_BLK: u8 = 6;
210 pub const DT_REG: u8 = 8;
211 pub const DT_LNK: u8 = 10;
212 pub const DT_SOCK: u8 = 12;
213 
214 cfg_if! {
215     if #[cfg(not(target_os = "redox"))] {
216         pub const FD_CLOEXEC: ::c_int = 0x1;
217     }
218 }
219 
220 pub const USRQUOTA: ::c_int = 0;
221 pub const GRPQUOTA: ::c_int = 1;
222 
223 pub const SIGIOT: ::c_int = 6;
224 
225 pub const S_ISUID: ::mode_t = 0x800;
226 pub const S_ISGID: ::mode_t = 0x400;
227 pub const S_ISVTX: ::mode_t = 0x200;
228 
229 cfg_if! {
230     if #[cfg(not(any(target_os = "illumos", target_os = "solaris")))] {
231         pub const IF_NAMESIZE: ::size_t = 16;
232         pub const IFNAMSIZ: ::size_t = IF_NAMESIZE;
233     }
234 }
235 
236 pub const LOG_EMERG: ::c_int = 0;
237 pub const LOG_ALERT: ::c_int = 1;
238 pub const LOG_CRIT: ::c_int = 2;
239 pub const LOG_ERR: ::c_int = 3;
240 pub const LOG_WARNING: ::c_int = 4;
241 pub const LOG_NOTICE: ::c_int = 5;
242 pub const LOG_INFO: ::c_int = 6;
243 pub const LOG_DEBUG: ::c_int = 7;
244 
245 pub const LOG_KERN: ::c_int = 0;
246 pub const LOG_USER: ::c_int = 1 << 3;
247 pub const LOG_MAIL: ::c_int = 2 << 3;
248 pub const LOG_DAEMON: ::c_int = 3 << 3;
249 pub const LOG_AUTH: ::c_int = 4 << 3;
250 pub const LOG_SYSLOG: ::c_int = 5 << 3;
251 pub const LOG_LPR: ::c_int = 6 << 3;
252 pub const LOG_NEWS: ::c_int = 7 << 3;
253 pub const LOG_UUCP: ::c_int = 8 << 3;
254 pub const LOG_LOCAL0: ::c_int = 16 << 3;
255 pub const LOG_LOCAL1: ::c_int = 17 << 3;
256 pub const LOG_LOCAL2: ::c_int = 18 << 3;
257 pub const LOG_LOCAL3: ::c_int = 19 << 3;
258 pub const LOG_LOCAL4: ::c_int = 20 << 3;
259 pub const LOG_LOCAL5: ::c_int = 21 << 3;
260 pub const LOG_LOCAL6: ::c_int = 22 << 3;
261 pub const LOG_LOCAL7: ::c_int = 23 << 3;
262 
263 pub const LOG_PID: ::c_int = 0x01;
264 pub const LOG_CONS: ::c_int = 0x02;
265 pub const LOG_ODELAY: ::c_int = 0x04;
266 pub const LOG_NDELAY: ::c_int = 0x08;
267 pub const LOG_NOWAIT: ::c_int = 0x10;
268 
269 pub const LOG_PRIMASK: ::c_int = 7;
270 pub const LOG_FACMASK: ::c_int = 0x3f8;
271 
272 pub const PRIO_MIN: ::c_int = -20;
273 pub const PRIO_MAX: ::c_int = 20;
274 
275 pub const IPPROTO_ICMP: ::c_int = 1;
276 pub const IPPROTO_ICMPV6: ::c_int = 58;
277 pub const IPPROTO_TCP: ::c_int = 6;
278 pub const IPPROTO_UDP: ::c_int = 17;
279 pub const IPPROTO_IP: ::c_int = 0;
280 pub const IPPROTO_IPV6: ::c_int = 41;
281 
282 pub const INADDR_LOOPBACK: in_addr_t = 2130706433;
283 pub const INADDR_ANY: in_addr_t = 0;
284 pub const INADDR_BROADCAST: in_addr_t = 4294967295;
285 pub const INADDR_NONE: in_addr_t = 4294967295;
286 
287 pub const ARPOP_REQUEST: u16 = 1;
288 pub const ARPOP_REPLY: u16 = 2;
289 
290 pub const ATF_COM: ::c_int = 0x02;
291 pub const ATF_PERM: ::c_int = 0x04;
292 pub const ATF_PUBL: ::c_int = 0x08;
293 pub const ATF_USETRAILERS: ::c_int = 0x10;
294 
295 cfg_if! {
296     if #[cfg(target_os = "l4re")] {
297         // required libraries for L4Re are linked externally, ATM
298     } else if #[cfg(feature = "std")] {
299         // cargo build, don't pull in anything extra as the libstd dep
300         // already pulls in all libs.
301     } else if #[cfg(target_env = "musl")] {
302         #[cfg_attr(feature = "rustc-dep-of-std",
303                    link(name = "c", kind = "static",
304                         cfg(target_feature = "crt-static")))]
305         #[cfg_attr(feature = "rustc-dep-of-std",
306                    link(name = "c", cfg(not(target_feature = "crt-static"))))]
307         extern {}
308     } else if #[cfg(target_os = "emscripten")] {
309         #[link(name = "c")]
310         extern {}
311     } else if #[cfg(all(target_os = "netbsd",
312                         feature = "rustc-dep-of-std",
313                         target_vendor = "rumprun"))] {
314         // Since we don't use -nodefaultlibs on Rumprun, libc is always pulled
315         // in automatically by the linker. We avoid passing it explicitly, as it
316         // causes some versions of binutils to crash with an assertion failure.
317         #[link(name = "m")]
318         extern {}
319     } else if #[cfg(any(target_os = "macos",
320                         target_os = "ios",
321                         target_os = "android",
322                         target_os = "openbsd"))] {
323         #[link(name = "c")]
324         #[link(name = "m")]
325         extern {}
326     } else if #[cfg(target_os = "haiku")] {
327         #[link(name = "root")]
328         #[link(name = "network")]
329         extern {}
330     } else if #[cfg(target_env = "newlib")] {
331         #[link(name = "c")]
332         #[link(name = "m")]
333         extern {}
334     } else if #[cfg(target_os = "hermit")] {
335         // no_default_libraries is set to false for HermitCore, so only a link
336         // to "pthread" needs to be added.
337         #[link(name = "pthread")]
338         extern {}
339     } else if #[cfg(target_env = "illumos")] {
340         #[link(name = "c")]
341         #[link(name = "m")]
342         extern {}
343     } else if #[cfg(target_os = "redox")] {
344         #[cfg_attr(feature = "rustc-dep-of-std",
345                    link(name = "c", kind = "static-nobundle",
346                         cfg(target_feature = "crt-static")))]
347         #[cfg_attr(feature = "rustc-dep-of-std",
348                    link(name = "c", cfg(not(target_feature = "crt-static"))))]
349         extern {}
350     } else {
351         #[link(name = "c")]
352         #[link(name = "m")]
353         #[link(name = "rt")]
354         #[link(name = "pthread")]
355         extern {}
356     }
357 }
358 
359 #[cfg_attr(feature = "extra_traits", derive(Debug))]
360 pub enum FILE {}
361 impl ::Copy for FILE {}
362 impl ::Clone for FILE {
clone(&self) -> FILE363     fn clone(&self) -> FILE {
364         *self
365     }
366 }
367 #[cfg_attr(feature = "extra_traits", derive(Debug))]
368 pub enum fpos_t {} // FIXME: fill this out with a struct
369 impl ::Copy for fpos_t {}
370 impl ::Clone for fpos_t {
clone(&self) -> fpos_t371     fn clone(&self) -> fpos_t {
372         *self
373     }
374 }
375 
376 extern "C" {
isalnum(c: c_int) -> c_int377     pub fn isalnum(c: c_int) -> c_int;
isalpha(c: c_int) -> c_int378     pub fn isalpha(c: c_int) -> c_int;
iscntrl(c: c_int) -> c_int379     pub fn iscntrl(c: c_int) -> c_int;
isdigit(c: c_int) -> c_int380     pub fn isdigit(c: c_int) -> c_int;
isgraph(c: c_int) -> c_int381     pub fn isgraph(c: c_int) -> c_int;
islower(c: c_int) -> c_int382     pub fn islower(c: c_int) -> c_int;
isprint(c: c_int) -> c_int383     pub fn isprint(c: c_int) -> c_int;
ispunct(c: c_int) -> c_int384     pub fn ispunct(c: c_int) -> c_int;
isspace(c: c_int) -> c_int385     pub fn isspace(c: c_int) -> c_int;
isupper(c: c_int) -> c_int386     pub fn isupper(c: c_int) -> c_int;
isxdigit(c: c_int) -> c_int387     pub fn isxdigit(c: c_int) -> c_int;
isblank(c: c_int) -> c_int388     pub fn isblank(c: c_int) -> c_int;
tolower(c: c_int) -> c_int389     pub fn tolower(c: c_int) -> c_int;
toupper(c: c_int) -> c_int390     pub fn toupper(c: c_int) -> c_int;
qsort( base: *mut c_void, num: size_t, size: size_t, compar: ::Option< unsafe extern "C" fn(*const c_void, *const c_void) -> c_int, >, )391     pub fn qsort(
392         base: *mut c_void,
393         num: size_t,
394         size: size_t,
395         compar: ::Option<
396             unsafe extern "C" fn(*const c_void, *const c_void) -> c_int,
397         >,
398     );
bsearch( key: *const c_void, base: *const c_void, num: size_t, size: size_t, compar: ::Option< unsafe extern "C" fn(*const c_void, *const c_void) -> c_int, >, ) -> *mut c_void399     pub fn bsearch(
400         key: *const c_void,
401         base: *const c_void,
402         num: size_t,
403         size: size_t,
404         compar: ::Option<
405             unsafe extern "C" fn(*const c_void, *const c_void) -> c_int,
406         >,
407     ) -> *mut c_void;
408     #[cfg_attr(
409         all(target_os = "macos", target_arch = "x86"),
410         link_name = "fopen$UNIX2003"
411     )]
fopen(filename: *const c_char, mode: *const c_char) -> *mut FILE412     pub fn fopen(filename: *const c_char, mode: *const c_char) -> *mut FILE;
413     #[cfg_attr(
414         all(target_os = "macos", target_arch = "x86"),
415         link_name = "freopen$UNIX2003"
416     )]
freopen( filename: *const c_char, mode: *const c_char, file: *mut FILE, ) -> *mut FILE417     pub fn freopen(
418         filename: *const c_char,
419         mode: *const c_char,
420         file: *mut FILE,
421     ) -> *mut FILE;
fmemopen( buf: *mut c_void, size: size_t, mode: *const c_char, ) -> *mut FILE422     pub fn fmemopen(
423         buf: *mut c_void,
424         size: size_t,
425         mode: *const c_char,
426     ) -> *mut FILE;
open_memstream( ptr: *mut *mut c_char, sizeloc: *mut size_t, ) -> *mut FILE427     pub fn open_memstream(
428         ptr: *mut *mut c_char,
429         sizeloc: *mut size_t,
430     ) -> *mut FILE;
open_wmemstream( ptr: *mut *mut wchar_t, sizeloc: *mut size_t, ) -> *mut FILE431     pub fn open_wmemstream(
432         ptr: *mut *mut wchar_t,
433         sizeloc: *mut size_t,
434     ) -> *mut FILE;
fflush(file: *mut FILE) -> c_int435     pub fn fflush(file: *mut FILE) -> c_int;
fclose(file: *mut FILE) -> c_int436     pub fn fclose(file: *mut FILE) -> c_int;
remove(filename: *const c_char) -> c_int437     pub fn remove(filename: *const c_char) -> c_int;
rename(oldname: *const c_char, newname: *const c_char) -> c_int438     pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;
tmpfile() -> *mut FILE439     pub fn tmpfile() -> *mut FILE;
setvbuf( stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t, ) -> c_int440     pub fn setvbuf(
441         stream: *mut FILE,
442         buffer: *mut c_char,
443         mode: c_int,
444         size: size_t,
445     ) -> c_int;
setbuf(stream: *mut FILE, buf: *mut c_char)446     pub fn setbuf(stream: *mut FILE, buf: *mut c_char);
getchar() -> c_int447     pub fn getchar() -> c_int;
putchar(c: c_int) -> c_int448     pub fn putchar(c: c_int) -> c_int;
fgetc(stream: *mut FILE) -> c_int449     pub fn fgetc(stream: *mut FILE) -> c_int;
fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char450     pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE)
451         -> *mut c_char;
fputc(c: c_int, stream: *mut FILE) -> c_int452     pub fn fputc(c: c_int, stream: *mut FILE) -> c_int;
453     #[cfg_attr(
454         all(target_os = "macos", target_arch = "x86"),
455         link_name = "fputs$UNIX2003"
456     )]
fputs(s: *const c_char, stream: *mut FILE) -> c_int457     pub fn fputs(s: *const c_char, stream: *mut FILE) -> c_int;
puts(s: *const c_char) -> c_int458     pub fn puts(s: *const c_char) -> c_int;
ungetc(c: c_int, stream: *mut FILE) -> c_int459     pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;
fread( ptr: *mut c_void, size: size_t, nobj: size_t, stream: *mut FILE, ) -> size_t460     pub fn fread(
461         ptr: *mut c_void,
462         size: size_t,
463         nobj: size_t,
464         stream: *mut FILE,
465     ) -> size_t;
466     #[cfg_attr(
467         all(target_os = "macos", target_arch = "x86"),
468         link_name = "fwrite$UNIX2003"
469     )]
fwrite( ptr: *const c_void, size: size_t, nobj: size_t, stream: *mut FILE, ) -> size_t470     pub fn fwrite(
471         ptr: *const c_void,
472         size: size_t,
473         nobj: size_t,
474         stream: *mut FILE,
475     ) -> size_t;
fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int476     pub fn fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int;
ftell(stream: *mut FILE) -> c_long477     pub fn ftell(stream: *mut FILE) -> c_long;
rewind(stream: *mut FILE)478     pub fn rewind(stream: *mut FILE);
479     #[cfg_attr(target_os = "netbsd", link_name = "__fgetpos50")]
fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int480     pub fn fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int;
481     #[cfg_attr(target_os = "netbsd", link_name = "__fsetpos50")]
fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int482     pub fn fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int;
feof(stream: *mut FILE) -> c_int483     pub fn feof(stream: *mut FILE) -> c_int;
ferror(stream: *mut FILE) -> c_int484     pub fn ferror(stream: *mut FILE) -> c_int;
perror(s: *const c_char)485     pub fn perror(s: *const c_char);
atoi(s: *const c_char) -> c_int486     pub fn atoi(s: *const c_char) -> c_int;
487     #[cfg_attr(
488         all(target_os = "macos", target_arch = "x86"),
489         link_name = "strtod$UNIX2003"
490     )]
strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double491     pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
strtol( s: *const c_char, endp: *mut *mut c_char, base: c_int, ) -> c_long492     pub fn strtol(
493         s: *const c_char,
494         endp: *mut *mut c_char,
495         base: c_int,
496     ) -> c_long;
strtoul( s: *const c_char, endp: *mut *mut c_char, base: c_int, ) -> c_ulong497     pub fn strtoul(
498         s: *const c_char,
499         endp: *mut *mut c_char,
500         base: c_int,
501     ) -> c_ulong;
calloc(nobj: size_t, size: size_t) -> *mut c_void502     pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
malloc(size: size_t) -> *mut c_void503     pub fn malloc(size: size_t) -> *mut c_void;
realloc(p: *mut c_void, size: size_t) -> *mut c_void504     pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void;
free(p: *mut c_void)505     pub fn free(p: *mut c_void);
abort() -> !506     pub fn abort() -> !;
exit(status: c_int) -> !507     pub fn exit(status: c_int) -> !;
_exit(status: c_int) -> !508     pub fn _exit(status: c_int) -> !;
atexit(cb: extern "C" fn()) -> c_int509     pub fn atexit(cb: extern "C" fn()) -> c_int;
510     #[cfg_attr(
511         all(target_os = "macos", target_arch = "x86"),
512         link_name = "system$UNIX2003"
513     )]
system(s: *const c_char) -> c_int514     pub fn system(s: *const c_char) -> c_int;
getenv(s: *const c_char) -> *mut c_char515     pub fn getenv(s: *const c_char) -> *mut c_char;
516 
strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char517     pub fn strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char;
strncpy( dst: *mut c_char, src: *const c_char, n: size_t, ) -> *mut c_char518     pub fn strncpy(
519         dst: *mut c_char,
520         src: *const c_char,
521         n: size_t,
522     ) -> *mut c_char;
strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char523     pub fn strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char;
strncat( s: *mut c_char, ct: *const c_char, n: size_t, ) -> *mut c_char524     pub fn strncat(
525         s: *mut c_char,
526         ct: *const c_char,
527         n: size_t,
528     ) -> *mut c_char;
strcmp(cs: *const c_char, ct: *const c_char) -> c_int529     pub fn strcmp(cs: *const c_char, ct: *const c_char) -> c_int;
strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int530     pub fn strncmp(cs: *const c_char, ct: *const c_char, n: size_t) -> c_int;
strcoll(cs: *const c_char, ct: *const c_char) -> c_int531     pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;
strchr(cs: *const c_char, c: c_int) -> *mut c_char532     pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char;
strrchr(cs: *const c_char, c: c_int) -> *mut c_char533     pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char;
strspn(cs: *const c_char, ct: *const c_char) -> size_t534     pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t;
strcspn(cs: *const c_char, ct: *const c_char) -> size_t535     pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t;
strdup(cs: *const c_char) -> *mut c_char536     pub fn strdup(cs: *const c_char) -> *mut c_char;
strndup(cs: *const c_char, n: size_t) -> *mut c_char537     pub fn strndup(cs: *const c_char, n: size_t) -> *mut c_char;
strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char538     pub fn strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char;
strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char539     pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
strcasecmp(s1: *const c_char, s2: *const c_char) -> c_int540     pub fn strcasecmp(s1: *const c_char, s2: *const c_char) -> c_int;
strncasecmp( s1: *const c_char, s2: *const c_char, n: size_t, ) -> c_int541     pub fn strncasecmp(
542         s1: *const c_char,
543         s2: *const c_char,
544         n: size_t,
545     ) -> c_int;
strlen(cs: *const c_char) -> size_t546     pub fn strlen(cs: *const c_char) -> size_t;
strnlen(cs: *const c_char, maxlen: size_t) -> size_t547     pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;
548     #[cfg_attr(
549         all(target_os = "macos", target_arch = "x86"),
550         link_name = "strerror$UNIX2003"
551     )]
strerror(n: c_int) -> *mut c_char552     pub fn strerror(n: c_int) -> *mut c_char;
strtok(s: *mut c_char, t: *const c_char) -> *mut c_char553     pub fn strtok(s: *mut c_char, t: *const c_char) -> *mut c_char;
strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t554     pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;
strsignal(sig: c_int) -> *mut c_char555     pub fn strsignal(sig: c_int) -> *mut c_char;
wcslen(buf: *const wchar_t) -> size_t556     pub fn wcslen(buf: *const wchar_t) -> size_t;
wcstombs( dest: *mut c_char, src: *const wchar_t, n: size_t, ) -> ::size_t557     pub fn wcstombs(
558         dest: *mut c_char,
559         src: *const wchar_t,
560         n: size_t,
561     ) -> ::size_t;
562 
memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void563     pub fn memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void;
wmemchr(cx: *const wchar_t, c: wchar_t, n: size_t) -> *mut wchar_t564     pub fn wmemchr(cx: *const wchar_t, c: wchar_t, n: size_t) -> *mut wchar_t;
memcmp(cx: *const c_void, ct: *const c_void, n: size_t) -> c_int565     pub fn memcmp(cx: *const c_void, ct: *const c_void, n: size_t) -> c_int;
memcpy( dest: *mut c_void, src: *const c_void, n: size_t, ) -> *mut c_void566     pub fn memcpy(
567         dest: *mut c_void,
568         src: *const c_void,
569         n: size_t,
570     ) -> *mut c_void;
memmove( dest: *mut c_void, src: *const c_void, n: size_t, ) -> *mut c_void571     pub fn memmove(
572         dest: *mut c_void,
573         src: *const c_void,
574         n: size_t,
575     ) -> *mut c_void;
memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void576     pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;
577 }
578 
579 extern "C" {
580     #[cfg_attr(target_os = "netbsd", link_name = "__getpwnam50")]
getpwnam(name: *const ::c_char) -> *mut passwd581     pub fn getpwnam(name: *const ::c_char) -> *mut passwd;
582     #[cfg_attr(target_os = "netbsd", link_name = "__getpwuid50")]
getpwuid(uid: ::uid_t) -> *mut passwd583     pub fn getpwuid(uid: ::uid_t) -> *mut passwd;
584 
fprintf( stream: *mut ::FILE, format: *const ::c_char, ... ) -> ::c_int585     pub fn fprintf(
586         stream: *mut ::FILE,
587         format: *const ::c_char,
588         ...
589     ) -> ::c_int;
printf(format: *const ::c_char, ...) -> ::c_int590     pub fn printf(format: *const ::c_char, ...) -> ::c_int;
snprintf( s: *mut ::c_char, n: ::size_t, format: *const ::c_char, ... ) -> ::c_int591     pub fn snprintf(
592         s: *mut ::c_char,
593         n: ::size_t,
594         format: *const ::c_char,
595         ...
596     ) -> ::c_int;
sprintf(s: *mut ::c_char, format: *const ::c_char, ...) -> ::c_int597     pub fn sprintf(s: *mut ::c_char, format: *const ::c_char, ...) -> ::c_int;
598     #[cfg_attr(target_os = "linux", link_name = "__isoc99_fscanf")]
fscanf( stream: *mut ::FILE, format: *const ::c_char, ... ) -> ::c_int599     pub fn fscanf(
600         stream: *mut ::FILE,
601         format: *const ::c_char,
602         ...
603     ) -> ::c_int;
604     #[cfg_attr(target_os = "linux", link_name = "__isoc99_scanf")]
scanf(format: *const ::c_char, ...) -> ::c_int605     pub fn scanf(format: *const ::c_char, ...) -> ::c_int;
606     #[cfg_attr(target_os = "linux", link_name = "__isoc99_sscanf")]
sscanf(s: *const ::c_char, format: *const ::c_char, ...) -> ::c_int607     pub fn sscanf(s: *const ::c_char, format: *const ::c_char, ...)
608         -> ::c_int;
getchar_unlocked() -> ::c_int609     pub fn getchar_unlocked() -> ::c_int;
putchar_unlocked(c: ::c_int) -> ::c_int610     pub fn putchar_unlocked(c: ::c_int) -> ::c_int;
611 
612     #[cfg(not(all(libc_cfg_target_vendor, target_arch = "powerpc",
613           target_vendor = "nintendo")))]
614     #[cfg_attr(target_os = "netbsd", link_name = "__socket30")]
615     #[cfg_attr(target_os = "illumos", link_name = "__xnet_socket")]
socket(domain: ::c_int, ty: ::c_int, protocol: ::c_int) -> ::c_int616     pub fn socket(domain: ::c_int, ty: ::c_int, protocol: ::c_int) -> ::c_int;
617     #[cfg(not(all(libc_cfg_target_vendor, target_arch = "powerpc",
618           target_vendor = "nintendo")))]
619     #[cfg_attr(
620         all(target_os = "macos", target_arch = "x86"),
621         link_name = "connect$UNIX2003"
622     )]
623     #[cfg_attr(target_os = "illumos", link_name = "__xnet_connect")]
connect( socket: ::c_int, address: *const sockaddr, len: socklen_t, ) -> ::c_int624     pub fn connect(
625         socket: ::c_int,
626         address: *const sockaddr,
627         len: socklen_t,
628     ) -> ::c_int;
629     #[cfg_attr(
630         all(target_os = "macos", target_arch = "x86"),
631         link_name = "listen$UNIX2003"
632     )]
listen(socket: ::c_int, backlog: ::c_int) -> ::c_int633     pub fn listen(socket: ::c_int, backlog: ::c_int) -> ::c_int;
634     #[cfg(not(all(libc_cfg_target_vendor, target_arch = "powerpc",
635           target_vendor = "nintendo")))]
636     #[cfg_attr(
637         all(target_os = "macos", target_arch = "x86"),
638         link_name = "accept$UNIX2003"
639     )]
accept( socket: ::c_int, address: *mut sockaddr, address_len: *mut socklen_t, ) -> ::c_int640     pub fn accept(
641         socket: ::c_int,
642         address: *mut sockaddr,
643         address_len: *mut socklen_t,
644     ) -> ::c_int;
645     #[cfg(not(all(libc_cfg_target_vendor, target_arch = "powerpc",
646           target_vendor = "nintendo")))]
647     #[cfg_attr(
648         all(target_os = "macos", target_arch = "x86"),
649         link_name = "getpeername$UNIX2003"
650     )]
getpeername( socket: ::c_int, address: *mut sockaddr, address_len: *mut socklen_t, ) -> ::c_int651     pub fn getpeername(
652         socket: ::c_int,
653         address: *mut sockaddr,
654         address_len: *mut socklen_t,
655     ) -> ::c_int;
656     #[cfg(not(all(libc_cfg_target_vendor, target_arch = "powerpc",
657           target_vendor = "nintendo")))]
658     #[cfg_attr(
659         all(target_os = "macos", target_arch = "x86"),
660         link_name = "getsockname$UNIX2003"
661     )]
getsockname( socket: ::c_int, address: *mut sockaddr, address_len: *mut socklen_t, ) -> ::c_int662     pub fn getsockname(
663         socket: ::c_int,
664         address: *mut sockaddr,
665         address_len: *mut socklen_t,
666     ) -> ::c_int;
setsockopt( socket: ::c_int, level: ::c_int, name: ::c_int, value: *const ::c_void, option_len: socklen_t, ) -> ::c_int667     pub fn setsockopt(
668         socket: ::c_int,
669         level: ::c_int,
670         name: ::c_int,
671         value: *const ::c_void,
672         option_len: socklen_t,
673     ) -> ::c_int;
674     #[cfg_attr(
675         all(target_os = "macos", target_arch = "x86"),
676         link_name = "socketpair$UNIX2003"
677     )]
678     #[cfg_attr(target_os = "illumos", link_name = "__xnet_socketpair")]
socketpair( domain: ::c_int, type_: ::c_int, protocol: ::c_int, socket_vector: *mut ::c_int, ) -> ::c_int679     pub fn socketpair(
680         domain: ::c_int,
681         type_: ::c_int,
682         protocol: ::c_int,
683         socket_vector: *mut ::c_int,
684     ) -> ::c_int;
685     #[cfg(not(all(libc_cfg_target_vendor, target_arch = "powerpc",
686           target_vendor = "nintendo")))]
687     #[cfg_attr(
688         all(target_os = "macos", target_arch = "x86"),
689         link_name = "sendto$UNIX2003"
690     )]
691     #[cfg_attr(target_os = "illumos", link_name = "__xnet_sendto")]
sendto( socket: ::c_int, buf: *const ::c_void, len: ::size_t, flags: ::c_int, addr: *const sockaddr, addrlen: socklen_t, ) -> ::ssize_t692     pub fn sendto(
693         socket: ::c_int,
694         buf: *const ::c_void,
695         len: ::size_t,
696         flags: ::c_int,
697         addr: *const sockaddr,
698         addrlen: socklen_t,
699     ) -> ::ssize_t;
shutdown(socket: ::c_int, how: ::c_int) -> ::c_int700     pub fn shutdown(socket: ::c_int, how: ::c_int) -> ::c_int;
701 
702     #[cfg_attr(
703         all(target_os = "macos", target_arch = "x86"),
704         link_name = "chmod$UNIX2003"
705     )]
chmod(path: *const c_char, mode: mode_t) -> ::c_int706     pub fn chmod(path: *const c_char, mode: mode_t) -> ::c_int;
707     #[cfg_attr(
708         all(target_os = "macos", target_arch = "x86"),
709         link_name = "fchmod$UNIX2003"
710     )]
fchmod(fd: ::c_int, mode: mode_t) -> ::c_int711     pub fn fchmod(fd: ::c_int, mode: mode_t) -> ::c_int;
712 
713     #[cfg_attr(
714         all(target_os = "macos", not(target_arch = "aarch64")),
715         link_name = "fstat$INODE64"
716     )]
717     #[cfg_attr(target_os = "netbsd", link_name = "__fstat50")]
718     #[cfg_attr(
719         all(target_os = "freebsd", any(freebsd11, freebsd10)),
720         link_name = "fstat@FBSD_1.0"
721     )]
fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int722     pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
723 
mkdir(path: *const c_char, mode: mode_t) -> ::c_int724     pub fn mkdir(path: *const c_char, mode: mode_t) -> ::c_int;
725 
726     #[cfg_attr(
727         all(target_os = "macos", not(target_arch = "aarch64")),
728         link_name = "stat$INODE64"
729     )]
730     #[cfg_attr(target_os = "netbsd", link_name = "__stat50")]
731     #[cfg_attr(
732         all(target_os = "freebsd", any(freebsd11, freebsd10)),
733         link_name = "stat@FBSD_1.0"
734     )]
stat(path: *const c_char, buf: *mut stat) -> ::c_int735     pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
736 
pclose(stream: *mut ::FILE) -> ::c_int737     pub fn pclose(stream: *mut ::FILE) -> ::c_int;
738     #[cfg_attr(
739         all(target_os = "macos", target_arch = "x86"),
740         link_name = "fdopen$UNIX2003"
741     )]
fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE742     pub fn fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE;
fileno(stream: *mut ::FILE) -> ::c_int743     pub fn fileno(stream: *mut ::FILE) -> ::c_int;
744 
745     #[cfg_attr(
746         all(target_os = "macos", target_arch = "x86"),
747         link_name = "open$UNIX2003"
748     )]
open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int749     pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
750     #[cfg_attr(
751         all(target_os = "macos", target_arch = "x86"),
752         link_name = "creat$UNIX2003"
753     )]
creat(path: *const c_char, mode: mode_t) -> ::c_int754     pub fn creat(path: *const c_char, mode: mode_t) -> ::c_int;
755     #[cfg_attr(
756         all(target_os = "macos", target_arch = "x86"),
757         link_name = "fcntl$UNIX2003"
758     )]
fcntl(fd: ::c_int, cmd: ::c_int, ...) -> ::c_int759     pub fn fcntl(fd: ::c_int, cmd: ::c_int, ...) -> ::c_int;
760 
761     #[cfg_attr(
762         all(target_os = "macos", target_arch = "x86_64"),
763         link_name = "opendir$INODE64"
764     )]
765     #[cfg_attr(
766         all(target_os = "macos", target_arch = "x86"),
767         link_name = "opendir$INODE64$UNIX2003"
768     )]
769     #[cfg_attr(target_os = "netbsd", link_name = "__opendir30")]
opendir(dirname: *const c_char) -> *mut ::DIR770     pub fn opendir(dirname: *const c_char) -> *mut ::DIR;
771 
772     #[cfg_attr(
773         all(target_os = "macos", not(target_arch = "aarch64")),
774         link_name = "readdir$INODE64"
775     )]
776     #[cfg_attr(target_os = "netbsd", link_name = "__readdir30")]
777     #[cfg_attr(
778         all(target_os = "freebsd", any(freebsd11, freebsd10)),
779         link_name = "readdir@FBSD_1.0"
780     )]
readdir(dirp: *mut ::DIR) -> *mut ::dirent781     pub fn readdir(dirp: *mut ::DIR) -> *mut ::dirent;
782     #[cfg_attr(
783         all(target_os = "macos", target_arch = "x86"),
784         link_name = "closedir$UNIX2003"
785     )]
closedir(dirp: *mut ::DIR) -> ::c_int786     pub fn closedir(dirp: *mut ::DIR) -> ::c_int;
787     #[cfg_attr(
788         all(target_os = "macos", target_arch = "x86_64"),
789         link_name = "rewinddir$INODE64"
790     )]
791     #[cfg_attr(
792         all(target_os = "macos", target_arch = "x86"),
793         link_name = "rewinddir$INODE64$UNIX2003"
794     )]
rewinddir(dirp: *mut ::DIR)795     pub fn rewinddir(dirp: *mut ::DIR);
796 
fchmodat( dirfd: ::c_int, pathname: *const ::c_char, mode: ::mode_t, flags: ::c_int, ) -> ::c_int797     pub fn fchmodat(
798         dirfd: ::c_int,
799         pathname: *const ::c_char,
800         mode: ::mode_t,
801         flags: ::c_int,
802     ) -> ::c_int;
fchown(fd: ::c_int, owner: ::uid_t, group: ::gid_t) -> ::c_int803     pub fn fchown(fd: ::c_int, owner: ::uid_t, group: ::gid_t) -> ::c_int;
fchownat( dirfd: ::c_int, pathname: *const ::c_char, owner: ::uid_t, group: ::gid_t, flags: ::c_int, ) -> ::c_int804     pub fn fchownat(
805         dirfd: ::c_int,
806         pathname: *const ::c_char,
807         owner: ::uid_t,
808         group: ::gid_t,
809         flags: ::c_int,
810     ) -> ::c_int;
811     #[cfg_attr(
812         all(target_os = "macos", not(target_arch = "aarch64")),
813         link_name = "fstatat$INODE64"
814     )]
815     #[cfg_attr(
816         all(target_os = "freebsd", any(freebsd11, freebsd10)),
817         link_name = "fstatat@FBSD_1.1"
818     )]
fstatat( dirfd: ::c_int, pathname: *const ::c_char, buf: *mut stat, flags: ::c_int, ) -> ::c_int819     pub fn fstatat(
820         dirfd: ::c_int,
821         pathname: *const ::c_char,
822         buf: *mut stat,
823         flags: ::c_int,
824     ) -> ::c_int;
linkat( olddirfd: ::c_int, oldpath: *const ::c_char, newdirfd: ::c_int, newpath: *const ::c_char, flags: ::c_int, ) -> ::c_int825     pub fn linkat(
826         olddirfd: ::c_int,
827         oldpath: *const ::c_char,
828         newdirfd: ::c_int,
829         newpath: *const ::c_char,
830         flags: ::c_int,
831     ) -> ::c_int;
renameat( olddirfd: ::c_int, oldpath: *const ::c_char, newdirfd: ::c_int, newpath: *const ::c_char, ) -> ::c_int832     pub fn renameat(
833         olddirfd: ::c_int,
834         oldpath: *const ::c_char,
835         newdirfd: ::c_int,
836         newpath: *const ::c_char,
837     ) -> ::c_int;
symlinkat( target: *const ::c_char, newdirfd: ::c_int, linkpath: *const ::c_char, ) -> ::c_int838     pub fn symlinkat(
839         target: *const ::c_char,
840         newdirfd: ::c_int,
841         linkpath: *const ::c_char,
842     ) -> ::c_int;
unlinkat( dirfd: ::c_int, pathname: *const ::c_char, flags: ::c_int, ) -> ::c_int843     pub fn unlinkat(
844         dirfd: ::c_int,
845         pathname: *const ::c_char,
846         flags: ::c_int,
847     ) -> ::c_int;
848 
access(path: *const c_char, amode: ::c_int) -> ::c_int849     pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
alarm(seconds: ::c_uint) -> ::c_uint850     pub fn alarm(seconds: ::c_uint) -> ::c_uint;
chdir(dir: *const c_char) -> ::c_int851     pub fn chdir(dir: *const c_char) -> ::c_int;
fchdir(dirfd: ::c_int) -> ::c_int852     pub fn fchdir(dirfd: ::c_int) -> ::c_int;
chown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int853     pub fn chown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int;
854     #[cfg_attr(
855         all(target_os = "macos", target_arch = "x86"),
856         link_name = "lchown$UNIX2003"
857     )]
lchown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int858     pub fn lchown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int;
859     #[cfg_attr(
860         all(target_os = "macos", target_arch = "x86"),
861         link_name = "close$NOCANCEL$UNIX2003"
862     )]
863     #[cfg_attr(
864         all(target_os = "macos", target_arch = "x86_64"),
865         link_name = "close$NOCANCEL"
866     )]
close(fd: ::c_int) -> ::c_int867     pub fn close(fd: ::c_int) -> ::c_int;
dup(fd: ::c_int) -> ::c_int868     pub fn dup(fd: ::c_int) -> ::c_int;
dup2(src: ::c_int, dst: ::c_int) -> ::c_int869     pub fn dup2(src: ::c_int, dst: ::c_int) -> ::c_int;
execl(path: *const c_char, arg0: *const c_char, ...) -> ::c_int870     pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> ::c_int;
execle( path: *const ::c_char, arg0: *const ::c_char, ... ) -> ::c_int871     pub fn execle(
872         path: *const ::c_char,
873         arg0: *const ::c_char,
874         ...
875     ) -> ::c_int;
execlp( file: *const ::c_char, arg0: *const ::c_char, ... ) -> ::c_int876     pub fn execlp(
877         file: *const ::c_char,
878         arg0: *const ::c_char,
879         ...
880     ) -> ::c_int;
execv(prog: *const c_char, argv: *const *const c_char) -> ::c_int881     pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::c_int;
execve( prog: *const c_char, argv: *const *const c_char, envp: *const *const c_char, ) -> ::c_int882     pub fn execve(
883         prog: *const c_char,
884         argv: *const *const c_char,
885         envp: *const *const c_char,
886     ) -> ::c_int;
execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int887     pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;
fork() -> pid_t888     pub fn fork() -> pid_t;
fpathconf(filedes: ::c_int, name: ::c_int) -> c_long889     pub fn fpathconf(filedes: ::c_int, name: ::c_int) -> c_long;
getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char890     pub fn getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char;
getegid() -> gid_t891     pub fn getegid() -> gid_t;
geteuid() -> uid_t892     pub fn geteuid() -> uid_t;
getgid() -> gid_t893     pub fn getgid() -> gid_t;
getgroups(ngroups_max: ::c_int, groups: *mut gid_t) -> ::c_int894     pub fn getgroups(ngroups_max: ::c_int, groups: *mut gid_t) -> ::c_int;
895     #[cfg_attr(target_os = "illumos", link_name = "getloginx")]
getlogin() -> *mut c_char896     pub fn getlogin() -> *mut c_char;
897     #[cfg_attr(
898         all(target_os = "macos", target_arch = "x86"),
899         link_name = "getopt$UNIX2003"
900     )]
getopt( argc: ::c_int, argv: *const *mut c_char, optstr: *const c_char, ) -> ::c_int901     pub fn getopt(
902         argc: ::c_int,
903         argv: *const *mut c_char,
904         optstr: *const c_char,
905     ) -> ::c_int;
getpgid(pid: pid_t) -> pid_t906     pub fn getpgid(pid: pid_t) -> pid_t;
getpgrp() -> pid_t907     pub fn getpgrp() -> pid_t;
getpid() -> pid_t908     pub fn getpid() -> pid_t;
getppid() -> pid_t909     pub fn getppid() -> pid_t;
getuid() -> uid_t910     pub fn getuid() -> uid_t;
isatty(fd: ::c_int) -> ::c_int911     pub fn isatty(fd: ::c_int) -> ::c_int;
link(src: *const c_char, dst: *const c_char) -> ::c_int912     pub fn link(src: *const c_char, dst: *const c_char) -> ::c_int;
lseek(fd: ::c_int, offset: off_t, whence: ::c_int) -> off_t913     pub fn lseek(fd: ::c_int, offset: off_t, whence: ::c_int) -> off_t;
pathconf(path: *const c_char, name: ::c_int) -> c_long914     pub fn pathconf(path: *const c_char, name: ::c_int) -> c_long;
pipe(fds: *mut ::c_int) -> ::c_int915     pub fn pipe(fds: *mut ::c_int) -> ::c_int;
posix_memalign( memptr: *mut *mut ::c_void, align: ::size_t, size: ::size_t, ) -> ::c_int916     pub fn posix_memalign(
917         memptr: *mut *mut ::c_void,
918         align: ::size_t,
919         size: ::size_t,
920     ) -> ::c_int;
921     #[cfg_attr(
922         all(target_os = "macos", target_arch = "x86"),
923         link_name = "read$UNIX2003"
924     )]
read(fd: ::c_int, buf: *mut ::c_void, count: ::size_t) -> ::ssize_t925     pub fn read(fd: ::c_int, buf: *mut ::c_void, count: ::size_t)
926         -> ::ssize_t;
rmdir(path: *const c_char) -> ::c_int927     pub fn rmdir(path: *const c_char) -> ::c_int;
seteuid(uid: uid_t) -> ::c_int928     pub fn seteuid(uid: uid_t) -> ::c_int;
setegid(gid: gid_t) -> ::c_int929     pub fn setegid(gid: gid_t) -> ::c_int;
setgid(gid: gid_t) -> ::c_int930     pub fn setgid(gid: gid_t) -> ::c_int;
setpgid(pid: pid_t, pgid: pid_t) -> ::c_int931     pub fn setpgid(pid: pid_t, pgid: pid_t) -> ::c_int;
setsid() -> pid_t932     pub fn setsid() -> pid_t;
setuid(uid: uid_t) -> ::c_int933     pub fn setuid(uid: uid_t) -> ::c_int;
934     #[cfg_attr(
935         all(target_os = "macos", target_arch = "x86"),
936         link_name = "sleep$UNIX2003"
937     )]
sleep(secs: ::c_uint) -> ::c_uint938     pub fn sleep(secs: ::c_uint) -> ::c_uint;
939     #[cfg_attr(
940         all(target_os = "macos", target_arch = "x86"),
941         link_name = "nanosleep$UNIX2003"
942     )]
943     #[cfg_attr(target_os = "netbsd", link_name = "__nanosleep50")]
nanosleep(rqtp: *const timespec, rmtp: *mut timespec) -> ::c_int944     pub fn nanosleep(rqtp: *const timespec, rmtp: *mut timespec) -> ::c_int;
tcgetpgrp(fd: ::c_int) -> pid_t945     pub fn tcgetpgrp(fd: ::c_int) -> pid_t;
tcsetpgrp(fd: ::c_int, pgrp: ::pid_t) -> ::c_int946     pub fn tcsetpgrp(fd: ::c_int, pgrp: ::pid_t) -> ::c_int;
ttyname(fd: ::c_int) -> *mut c_char947     pub fn ttyname(fd: ::c_int) -> *mut c_char;
948     #[cfg_attr(
949         all(target_os = "macos", target_arch = "x86"),
950         link_name = "ttyname_r$UNIX2003"
951     )]
952     #[cfg_attr(target_os = "illumos", link_name = "__posix_ttyname_r")]
ttyname_r( fd: ::c_int, buf: *mut c_char, buflen: ::size_t, ) -> ::c_int953     pub fn ttyname_r(
954         fd: ::c_int,
955         buf: *mut c_char,
956         buflen: ::size_t,
957     ) -> ::c_int;
unlink(c: *const c_char) -> ::c_int958     pub fn unlink(c: *const c_char) -> ::c_int;
959     #[cfg_attr(
960         all(target_os = "macos", target_arch = "x86"),
961         link_name = "wait$UNIX2003"
962     )]
wait(status: *mut ::c_int) -> pid_t963     pub fn wait(status: *mut ::c_int) -> pid_t;
964     #[cfg_attr(
965         all(target_os = "macos", target_arch = "x86"),
966         link_name = "waitpid$UNIX2003"
967     )]
waitpid( pid: pid_t, status: *mut ::c_int, options: ::c_int, ) -> pid_t968     pub fn waitpid(
969         pid: pid_t,
970         status: *mut ::c_int,
971         options: ::c_int,
972     ) -> pid_t;
973     #[cfg_attr(
974         all(target_os = "macos", target_arch = "x86"),
975         link_name = "write$UNIX2003"
976     )]
write( fd: ::c_int, buf: *const ::c_void, count: ::size_t, ) -> ::ssize_t977     pub fn write(
978         fd: ::c_int,
979         buf: *const ::c_void,
980         count: ::size_t,
981     ) -> ::ssize_t;
982     #[cfg_attr(
983         all(target_os = "macos", target_arch = "x86"),
984         link_name = "pread$UNIX2003"
985     )]
pread( fd: ::c_int, buf: *mut ::c_void, count: ::size_t, offset: off_t, ) -> ::ssize_t986     pub fn pread(
987         fd: ::c_int,
988         buf: *mut ::c_void,
989         count: ::size_t,
990         offset: off_t,
991     ) -> ::ssize_t;
992     #[cfg_attr(
993         all(target_os = "macos", target_arch = "x86"),
994         link_name = "pwrite$UNIX2003"
995     )]
pwrite( fd: ::c_int, buf: *const ::c_void, count: ::size_t, offset: off_t, ) -> ::ssize_t996     pub fn pwrite(
997         fd: ::c_int,
998         buf: *const ::c_void,
999         count: ::size_t,
1000         offset: off_t,
1001     ) -> ::ssize_t;
umask(mask: mode_t) -> mode_t1002     pub fn umask(mask: mode_t) -> mode_t;
1003 
1004     #[cfg_attr(target_os = "netbsd", link_name = "__utime50")]
utime(file: *const c_char, buf: *const utimbuf) -> ::c_int1005     pub fn utime(file: *const c_char, buf: *const utimbuf) -> ::c_int;
1006 
1007     #[cfg_attr(
1008         all(target_os = "macos", target_arch = "x86"),
1009         link_name = "kill$UNIX2003"
1010     )]
kill(pid: pid_t, sig: ::c_int) -> ::c_int1011     pub fn kill(pid: pid_t, sig: ::c_int) -> ::c_int;
1012     #[cfg_attr(
1013         all(target_os = "macos", target_arch = "x86"),
1014         link_name = "killpg$UNIX2003"
1015     )]
killpg(pgrp: pid_t, sig: ::c_int) -> ::c_int1016     pub fn killpg(pgrp: pid_t, sig: ::c_int) -> ::c_int;
1017 
mlock(addr: *const ::c_void, len: ::size_t) -> ::c_int1018     pub fn mlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
munlock(addr: *const ::c_void, len: ::size_t) -> ::c_int1019     pub fn munlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
mlockall(flags: ::c_int) -> ::c_int1020     pub fn mlockall(flags: ::c_int) -> ::c_int;
munlockall() -> ::c_int1021     pub fn munlockall() -> ::c_int;
1022 
1023     #[cfg_attr(
1024         all(target_os = "macos", target_arch = "x86"),
1025         link_name = "mmap$UNIX2003"
1026     )]
mmap( addr: *mut ::c_void, len: ::size_t, prot: ::c_int, flags: ::c_int, fd: ::c_int, offset: off_t, ) -> *mut ::c_void1027     pub fn mmap(
1028         addr: *mut ::c_void,
1029         len: ::size_t,
1030         prot: ::c_int,
1031         flags: ::c_int,
1032         fd: ::c_int,
1033         offset: off_t,
1034     ) -> *mut ::c_void;
1035     #[cfg_attr(
1036         all(target_os = "macos", target_arch = "x86"),
1037         link_name = "munmap$UNIX2003"
1038     )]
munmap(addr: *mut ::c_void, len: ::size_t) -> ::c_int1039     pub fn munmap(addr: *mut ::c_void, len: ::size_t) -> ::c_int;
1040 
if_nametoindex(ifname: *const c_char) -> ::c_uint1041     pub fn if_nametoindex(ifname: *const c_char) -> ::c_uint;
if_indextoname( ifindex: ::c_uint, ifname: *mut ::c_char, ) -> *mut ::c_char1042     pub fn if_indextoname(
1043         ifindex: ::c_uint,
1044         ifname: *mut ::c_char,
1045     ) -> *mut ::c_char;
1046 
1047     #[cfg_attr(
1048         all(target_os = "macos", not(target_arch = "aarch64")),
1049         link_name = "lstat$INODE64"
1050     )]
1051     #[cfg_attr(target_os = "netbsd", link_name = "__lstat50")]
1052     #[cfg_attr(
1053         all(target_os = "freebsd", any(freebsd11, freebsd10)),
1054         link_name = "lstat@FBSD_1.0"
1055     )]
lstat(path: *const c_char, buf: *mut stat) -> ::c_int1056     pub fn lstat(path: *const c_char, buf: *mut stat) -> ::c_int;
1057 
1058     #[cfg_attr(
1059         all(target_os = "macos", target_arch = "x86"),
1060         link_name = "fsync$UNIX2003"
1061     )]
fsync(fd: ::c_int) -> ::c_int1062     pub fn fsync(fd: ::c_int) -> ::c_int;
1063 
1064     #[cfg_attr(
1065         all(target_os = "macos", target_arch = "x86"),
1066         link_name = "setenv$UNIX2003"
1067     )]
setenv( name: *const c_char, val: *const c_char, overwrite: ::c_int, ) -> ::c_int1068     pub fn setenv(
1069         name: *const c_char,
1070         val: *const c_char,
1071         overwrite: ::c_int,
1072     ) -> ::c_int;
1073     #[cfg_attr(
1074         all(target_os = "macos", target_arch = "x86"),
1075         link_name = "unsetenv$UNIX2003"
1076     )]
1077     #[cfg_attr(target_os = "netbsd", link_name = "__unsetenv13")]
unsetenv(name: *const c_char) -> ::c_int1078     pub fn unsetenv(name: *const c_char) -> ::c_int;
1079 
symlink(path1: *const c_char, path2: *const c_char) -> ::c_int1080     pub fn symlink(path1: *const c_char, path2: *const c_char) -> ::c_int;
1081 
ftruncate(fd: ::c_int, length: off_t) -> ::c_int1082     pub fn ftruncate(fd: ::c_int, length: off_t) -> ::c_int;
1083 
signal(signum: ::c_int, handler: sighandler_t) -> sighandler_t1084     pub fn signal(signum: ::c_int, handler: sighandler_t) -> sighandler_t;
1085 
1086     #[cfg_attr(target_os = "netbsd", link_name = "__getrusage50")]
getrusage(resource: ::c_int, usage: *mut rusage) -> ::c_int1087     pub fn getrusage(resource: ::c_int, usage: *mut rusage) -> ::c_int;
1088 
1089     #[cfg_attr(
1090         any(target_os = "macos", target_os = "ios"),
1091         link_name = "realpath$DARWIN_EXTSN"
1092     )]
realpath( pathname: *const ::c_char, resolved: *mut ::c_char, ) -> *mut ::c_char1093     pub fn realpath(
1094         pathname: *const ::c_char,
1095         resolved: *mut ::c_char,
1096     ) -> *mut ::c_char;
1097 
flock(fd: ::c_int, operation: ::c_int) -> ::c_int1098     pub fn flock(fd: ::c_int, operation: ::c_int) -> ::c_int;
1099 
1100     #[cfg_attr(target_os = "netbsd", link_name = "__times13")]
times(buf: *mut ::tms) -> ::clock_t1101     pub fn times(buf: *mut ::tms) -> ::clock_t;
1102 
pthread_self() -> ::pthread_t1103     pub fn pthread_self() -> ::pthread_t;
1104     #[cfg_attr(
1105         all(target_os = "macos", target_arch = "x86"),
1106         link_name = "pthread_join$UNIX2003"
1107     )]
pthread_join( native: ::pthread_t, value: *mut *mut ::c_void, ) -> ::c_int1108     pub fn pthread_join(
1109         native: ::pthread_t,
1110         value: *mut *mut ::c_void,
1111     ) -> ::c_int;
pthread_exit(value: *mut ::c_void) -> !1112     pub fn pthread_exit(value: *mut ::c_void) -> !;
pthread_attr_init(attr: *mut ::pthread_attr_t) -> ::c_int1113     pub fn pthread_attr_init(attr: *mut ::pthread_attr_t) -> ::c_int;
pthread_attr_destroy(attr: *mut ::pthread_attr_t) -> ::c_int1114     pub fn pthread_attr_destroy(attr: *mut ::pthread_attr_t) -> ::c_int;
pthread_attr_setstacksize( attr: *mut ::pthread_attr_t, stack_size: ::size_t, ) -> ::c_int1115     pub fn pthread_attr_setstacksize(
1116         attr: *mut ::pthread_attr_t,
1117         stack_size: ::size_t,
1118     ) -> ::c_int;
pthread_attr_setdetachstate( attr: *mut ::pthread_attr_t, state: ::c_int, ) -> ::c_int1119     pub fn pthread_attr_setdetachstate(
1120         attr: *mut ::pthread_attr_t,
1121         state: ::c_int,
1122     ) -> ::c_int;
pthread_detach(thread: ::pthread_t) -> ::c_int1123     pub fn pthread_detach(thread: ::pthread_t) -> ::c_int;
1124     #[cfg_attr(target_os = "netbsd", link_name = "__libc_thr_yield")]
sched_yield() -> ::c_int1125     pub fn sched_yield() -> ::c_int;
pthread_key_create( key: *mut pthread_key_t, dtor: ::Option<unsafe extern "C" fn(*mut ::c_void)>, ) -> ::c_int1126     pub fn pthread_key_create(
1127         key: *mut pthread_key_t,
1128         dtor: ::Option<unsafe extern "C" fn(*mut ::c_void)>,
1129     ) -> ::c_int;
pthread_key_delete(key: pthread_key_t) -> ::c_int1130     pub fn pthread_key_delete(key: pthread_key_t) -> ::c_int;
pthread_getspecific(key: pthread_key_t) -> *mut ::c_void1131     pub fn pthread_getspecific(key: pthread_key_t) -> *mut ::c_void;
pthread_setspecific( key: pthread_key_t, value: *const ::c_void, ) -> ::c_int1132     pub fn pthread_setspecific(
1133         key: pthread_key_t,
1134         value: *const ::c_void,
1135     ) -> ::c_int;
pthread_mutex_init( lock: *mut pthread_mutex_t, attr: *const pthread_mutexattr_t, ) -> ::c_int1136     pub fn pthread_mutex_init(
1137         lock: *mut pthread_mutex_t,
1138         attr: *const pthread_mutexattr_t,
1139     ) -> ::c_int;
pthread_mutex_destroy(lock: *mut pthread_mutex_t) -> ::c_int1140     pub fn pthread_mutex_destroy(lock: *mut pthread_mutex_t) -> ::c_int;
pthread_mutex_lock(lock: *mut pthread_mutex_t) -> ::c_int1141     pub fn pthread_mutex_lock(lock: *mut pthread_mutex_t) -> ::c_int;
pthread_mutex_trylock(lock: *mut pthread_mutex_t) -> ::c_int1142     pub fn pthread_mutex_trylock(lock: *mut pthread_mutex_t) -> ::c_int;
pthread_mutex_unlock(lock: *mut pthread_mutex_t) -> ::c_int1143     pub fn pthread_mutex_unlock(lock: *mut pthread_mutex_t) -> ::c_int;
1144 
pthread_mutexattr_init(attr: *mut pthread_mutexattr_t) -> ::c_int1145     pub fn pthread_mutexattr_init(attr: *mut pthread_mutexattr_t) -> ::c_int;
1146     #[cfg_attr(
1147         all(target_os = "macos", target_arch = "x86"),
1148         link_name = "pthread_mutexattr_destroy$UNIX2003"
1149     )]
pthread_mutexattr_destroy( attr: *mut pthread_mutexattr_t, ) -> ::c_int1150     pub fn pthread_mutexattr_destroy(
1151         attr: *mut pthread_mutexattr_t,
1152     ) -> ::c_int;
pthread_mutexattr_settype( attr: *mut pthread_mutexattr_t, _type: ::c_int, ) -> ::c_int1153     pub fn pthread_mutexattr_settype(
1154         attr: *mut pthread_mutexattr_t,
1155         _type: ::c_int,
1156     ) -> ::c_int;
1157 
1158     #[cfg_attr(
1159         all(target_os = "macos", target_arch = "x86"),
1160         link_name = "pthread_cond_init$UNIX2003"
1161     )]
pthread_cond_init( cond: *mut pthread_cond_t, attr: *const pthread_condattr_t, ) -> ::c_int1162     pub fn pthread_cond_init(
1163         cond: *mut pthread_cond_t,
1164         attr: *const pthread_condattr_t,
1165     ) -> ::c_int;
1166     #[cfg_attr(
1167         all(target_os = "macos", target_arch = "x86"),
1168         link_name = "pthread_cond_wait$UNIX2003"
1169     )]
pthread_cond_wait( cond: *mut pthread_cond_t, lock: *mut pthread_mutex_t, ) -> ::c_int1170     pub fn pthread_cond_wait(
1171         cond: *mut pthread_cond_t,
1172         lock: *mut pthread_mutex_t,
1173     ) -> ::c_int;
1174     #[cfg_attr(
1175         all(target_os = "macos", target_arch = "x86"),
1176         link_name = "pthread_cond_timedwait$UNIX2003"
1177     )]
pthread_cond_timedwait( cond: *mut pthread_cond_t, lock: *mut pthread_mutex_t, abstime: *const ::timespec, ) -> ::c_int1178     pub fn pthread_cond_timedwait(
1179         cond: *mut pthread_cond_t,
1180         lock: *mut pthread_mutex_t,
1181         abstime: *const ::timespec,
1182     ) -> ::c_int;
pthread_cond_signal(cond: *mut pthread_cond_t) -> ::c_int1183     pub fn pthread_cond_signal(cond: *mut pthread_cond_t) -> ::c_int;
pthread_cond_broadcast(cond: *mut pthread_cond_t) -> ::c_int1184     pub fn pthread_cond_broadcast(cond: *mut pthread_cond_t) -> ::c_int;
pthread_cond_destroy(cond: *mut pthread_cond_t) -> ::c_int1185     pub fn pthread_cond_destroy(cond: *mut pthread_cond_t) -> ::c_int;
pthread_condattr_init(attr: *mut pthread_condattr_t) -> ::c_int1186     pub fn pthread_condattr_init(attr: *mut pthread_condattr_t) -> ::c_int;
pthread_condattr_destroy(attr: *mut pthread_condattr_t) -> ::c_int1187     pub fn pthread_condattr_destroy(attr: *mut pthread_condattr_t) -> ::c_int;
1188     #[cfg_attr(
1189         all(target_os = "macos", target_arch = "x86"),
1190         link_name = "pthread_rwlock_init$UNIX2003"
1191     )]
pthread_rwlock_init( lock: *mut pthread_rwlock_t, attr: *const pthread_rwlockattr_t, ) -> ::c_int1192     pub fn pthread_rwlock_init(
1193         lock: *mut pthread_rwlock_t,
1194         attr: *const pthread_rwlockattr_t,
1195     ) -> ::c_int;
1196     #[cfg_attr(
1197         all(target_os = "macos", target_arch = "x86"),
1198         link_name = "pthread_rwlock_destroy$UNIX2003"
1199     )]
pthread_rwlock_destroy(lock: *mut pthread_rwlock_t) -> ::c_int1200     pub fn pthread_rwlock_destroy(lock: *mut pthread_rwlock_t) -> ::c_int;
1201     #[cfg_attr(
1202         all(target_os = "macos", target_arch = "x86"),
1203         link_name = "pthread_rwlock_rdlock$UNIX2003"
1204     )]
pthread_rwlock_rdlock(lock: *mut pthread_rwlock_t) -> ::c_int1205     pub fn pthread_rwlock_rdlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1206     #[cfg_attr(
1207         all(target_os = "macos", target_arch = "x86"),
1208         link_name = "pthread_rwlock_tryrdlock$UNIX2003"
1209     )]
pthread_rwlock_tryrdlock(lock: *mut pthread_rwlock_t) -> ::c_int1210     pub fn pthread_rwlock_tryrdlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1211     #[cfg_attr(
1212         all(target_os = "macos", target_arch = "x86"),
1213         link_name = "pthread_rwlock_wrlock$UNIX2003"
1214     )]
pthread_rwlock_wrlock(lock: *mut pthread_rwlock_t) -> ::c_int1215     pub fn pthread_rwlock_wrlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1216     #[cfg_attr(
1217         all(target_os = "macos", target_arch = "x86"),
1218         link_name = "pthread_rwlock_trywrlock$UNIX2003"
1219     )]
pthread_rwlock_trywrlock(lock: *mut pthread_rwlock_t) -> ::c_int1220     pub fn pthread_rwlock_trywrlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1221     #[cfg_attr(
1222         all(target_os = "macos", target_arch = "x86"),
1223         link_name = "pthread_rwlock_unlock$UNIX2003"
1224     )]
pthread_rwlock_unlock(lock: *mut pthread_rwlock_t) -> ::c_int1225     pub fn pthread_rwlock_unlock(lock: *mut pthread_rwlock_t) -> ::c_int;
pthread_rwlockattr_init(attr: *mut pthread_rwlockattr_t) -> ::c_int1226     pub fn pthread_rwlockattr_init(attr: *mut pthread_rwlockattr_t)
1227         -> ::c_int;
pthread_rwlockattr_destroy( attr: *mut pthread_rwlockattr_t, ) -> ::c_int1228     pub fn pthread_rwlockattr_destroy(
1229         attr: *mut pthread_rwlockattr_t,
1230     ) -> ::c_int;
1231 
1232     #[cfg_attr(target_os = "illumos", link_name = "__xnet_getsockopt")]
getsockopt( sockfd: ::c_int, level: ::c_int, optname: ::c_int, optval: *mut ::c_void, optlen: *mut ::socklen_t, ) -> ::c_int1233     pub fn getsockopt(
1234         sockfd: ::c_int,
1235         level: ::c_int,
1236         optname: ::c_int,
1237         optval: *mut ::c_void,
1238         optlen: *mut ::socklen_t,
1239     ) -> ::c_int;
raise(signum: ::c_int) -> ::c_int1240     pub fn raise(signum: ::c_int) -> ::c_int;
1241     #[cfg_attr(target_os = "netbsd", link_name = "__sigaction14")]
sigaction( signum: ::c_int, act: *const sigaction, oldact: *mut sigaction, ) -> ::c_int1242     pub fn sigaction(
1243         signum: ::c_int,
1244         act: *const sigaction,
1245         oldact: *mut sigaction,
1246     ) -> ::c_int;
1247 
1248     #[cfg_attr(target_os = "netbsd", link_name = "__utimes50")]
utimes( filename: *const ::c_char, times: *const ::timeval, ) -> ::c_int1249     pub fn utimes(
1250         filename: *const ::c_char,
1251         times: *const ::timeval,
1252     ) -> ::c_int;
dlopen(filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void1253     pub fn dlopen(filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void;
dlerror() -> *mut ::c_char1254     pub fn dlerror() -> *mut ::c_char;
dlsym( handle: *mut ::c_void, symbol: *const ::c_char, ) -> *mut ::c_void1255     pub fn dlsym(
1256         handle: *mut ::c_void,
1257         symbol: *const ::c_char,
1258     ) -> *mut ::c_void;
dlclose(handle: *mut ::c_void) -> ::c_int1259     pub fn dlclose(handle: *mut ::c_void) -> ::c_int;
dladdr(addr: *const ::c_void, info: *mut Dl_info) -> ::c_int1260     pub fn dladdr(addr: *const ::c_void, info: *mut Dl_info) -> ::c_int;
1261 
1262     #[cfg(not(all(libc_cfg_target_vendor, target_arch = "powerpc",
1263           target_vendor = "nintendo")))]
1264     #[cfg_attr(target_os = "illumos", link_name = "__xnet_getaddrinfo")]
getaddrinfo( node: *const c_char, service: *const c_char, hints: *const addrinfo, res: *mut *mut addrinfo, ) -> ::c_int1265     pub fn getaddrinfo(
1266         node: *const c_char,
1267         service: *const c_char,
1268         hints: *const addrinfo,
1269         res: *mut *mut addrinfo,
1270     ) -> ::c_int;
1271     #[cfg(not(all(libc_cfg_target_vendor, target_arch = "powerpc",
1272           target_vendor = "nintendo")))]
freeaddrinfo(res: *mut addrinfo)1273     pub fn freeaddrinfo(res: *mut addrinfo);
gai_strerror(errcode: ::c_int) -> *const ::c_char1274     pub fn gai_strerror(errcode: ::c_int) -> *const ::c_char;
1275     #[cfg_attr(
1276         any(
1277             all(target_os = "linux", not(target_env = "musl")),
1278             target_os = "freebsd",
1279             target_os = "dragonfly",
1280             target_os = "haiku"
1281         ),
1282         link_name = "__res_init"
1283     )]
1284     #[cfg_attr(
1285         any(target_os = "macos", target_os = "ios"),
1286         link_name = "res_9_init"
1287     )]
res_init() -> ::c_int1288     pub fn res_init() -> ::c_int;
1289 
1290     #[cfg_attr(target_os = "netbsd", link_name = "__gmtime_r50")]
gmtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm1291     pub fn gmtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm;
1292     #[cfg_attr(target_os = "netbsd", link_name = "__localtime_r50")]
localtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm1293     pub fn localtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm;
1294     #[cfg_attr(
1295         all(target_os = "macos", target_arch = "x86"),
1296         link_name = "mktime$UNIX2003"
1297     )]
1298     #[cfg_attr(target_os = "netbsd", link_name = "__mktime50")]
mktime(tm: *mut tm) -> time_t1299     pub fn mktime(tm: *mut tm) -> time_t;
1300     #[cfg_attr(target_os = "netbsd", link_name = "__time50")]
time(time: *mut time_t) -> time_t1301     pub fn time(time: *mut time_t) -> time_t;
1302     #[cfg_attr(target_os = "netbsd", link_name = "__gmtime50")]
gmtime(time_p: *const time_t) -> *mut tm1303     pub fn gmtime(time_p: *const time_t) -> *mut tm;
1304     #[cfg_attr(target_os = "netbsd", link_name = "__locatime50")]
localtime(time_p: *const time_t) -> *mut tm1305     pub fn localtime(time_p: *const time_t) -> *mut tm;
1306     #[cfg_attr(target_os = "netbsd", link_name = "__difftime50")]
difftime(time1: time_t, time0: time_t) -> ::c_double1307     pub fn difftime(time1: time_t, time0: time_t) -> ::c_double;
1308 
1309     #[cfg_attr(target_os = "netbsd", link_name = "__mknod50")]
1310     #[cfg_attr(
1311         all(target_os = "freebsd", any(freebsd11, freebsd10)),
1312         link_name = "mknod@FBSD_1.0"
1313     )]
mknod( pathname: *const ::c_char, mode: ::mode_t, dev: ::dev_t, ) -> ::c_int1314     pub fn mknod(
1315         pathname: *const ::c_char,
1316         mode: ::mode_t,
1317         dev: ::dev_t,
1318     ) -> ::c_int;
gethostname(name: *mut ::c_char, len: ::size_t) -> ::c_int1319     pub fn gethostname(name: *mut ::c_char, len: ::size_t) -> ::c_int;
getservbyname( name: *const ::c_char, proto: *const ::c_char, ) -> *mut servent1320     pub fn getservbyname(
1321         name: *const ::c_char,
1322         proto: *const ::c_char,
1323     ) -> *mut servent;
getprotobyname(name: *const ::c_char) -> *mut protoent1324     pub fn getprotobyname(name: *const ::c_char) -> *mut protoent;
getprotobynumber(proto: ::c_int) -> *mut protoent1325     pub fn getprotobynumber(proto: ::c_int) -> *mut protoent;
chroot(name: *const ::c_char) -> ::c_int1326     pub fn chroot(name: *const ::c_char) -> ::c_int;
1327     #[cfg_attr(
1328         all(target_os = "macos", target_arch = "x86"),
1329         link_name = "usleep$UNIX2003"
1330     )]
usleep(secs: ::c_uint) -> ::c_int1331     pub fn usleep(secs: ::c_uint) -> ::c_int;
1332     #[cfg_attr(
1333         all(target_os = "macos", target_arch = "x86"),
1334         link_name = "send$UNIX2003"
1335     )]
send( socket: ::c_int, buf: *const ::c_void, len: ::size_t, flags: ::c_int, ) -> ::ssize_t1336     pub fn send(
1337         socket: ::c_int,
1338         buf: *const ::c_void,
1339         len: ::size_t,
1340         flags: ::c_int,
1341     ) -> ::ssize_t;
1342     #[cfg_attr(
1343         all(target_os = "macos", target_arch = "x86"),
1344         link_name = "recv$UNIX2003"
1345     )]
recv( socket: ::c_int, buf: *mut ::c_void, len: ::size_t, flags: ::c_int, ) -> ::ssize_t1346     pub fn recv(
1347         socket: ::c_int,
1348         buf: *mut ::c_void,
1349         len: ::size_t,
1350         flags: ::c_int,
1351     ) -> ::ssize_t;
1352     #[cfg_attr(
1353         all(target_os = "macos", target_arch = "x86"),
1354         link_name = "putenv$UNIX2003"
1355     )]
1356     #[cfg_attr(target_os = "netbsd", link_name = "__putenv50")]
putenv(string: *mut c_char) -> ::c_int1357     pub fn putenv(string: *mut c_char) -> ::c_int;
1358     #[cfg_attr(
1359         all(target_os = "macos", target_arch = "x86"),
1360         link_name = "poll$UNIX2003"
1361     )]
poll(fds: *mut pollfd, nfds: nfds_t, timeout: ::c_int) -> ::c_int1362     pub fn poll(fds: *mut pollfd, nfds: nfds_t, timeout: ::c_int) -> ::c_int;
1363     #[cfg_attr(
1364         all(target_os = "macos", target_arch = "x86_64"),
1365         link_name = "select$1050"
1366     )]
1367     #[cfg_attr(
1368         all(target_os = "macos", target_arch = "x86"),
1369         link_name = "select$UNIX2003"
1370     )]
1371     #[cfg_attr(target_os = "netbsd", link_name = "__select50")]
select( nfds: ::c_int, readfs: *mut fd_set, writefds: *mut fd_set, errorfds: *mut fd_set, timeout: *mut timeval, ) -> ::c_int1372     pub fn select(
1373         nfds: ::c_int,
1374         readfs: *mut fd_set,
1375         writefds: *mut fd_set,
1376         errorfds: *mut fd_set,
1377         timeout: *mut timeval,
1378     ) -> ::c_int;
1379     #[cfg_attr(target_os = "netbsd", link_name = "__setlocale50")]
setlocale( category: ::c_int, locale: *const ::c_char, ) -> *mut ::c_char1380     pub fn setlocale(
1381         category: ::c_int,
1382         locale: *const ::c_char,
1383     ) -> *mut ::c_char;
localeconv() -> *mut lconv1384     pub fn localeconv() -> *mut lconv;
1385 
1386     #[cfg_attr(
1387         all(target_os = "macos", target_arch = "x86"),
1388         link_name = "sem_wait$UNIX2003"
1389     )]
sem_wait(sem: *mut sem_t) -> ::c_int1390     pub fn sem_wait(sem: *mut sem_t) -> ::c_int;
sem_trywait(sem: *mut sem_t) -> ::c_int1391     pub fn sem_trywait(sem: *mut sem_t) -> ::c_int;
sem_post(sem: *mut sem_t) -> ::c_int1392     pub fn sem_post(sem: *mut sem_t) -> ::c_int;
statvfs(path: *const c_char, buf: *mut statvfs) -> ::c_int1393     pub fn statvfs(path: *const c_char, buf: *mut statvfs) -> ::c_int;
fstatvfs(fd: ::c_int, buf: *mut statvfs) -> ::c_int1394     pub fn fstatvfs(fd: ::c_int, buf: *mut statvfs) -> ::c_int;
1395 
readlink( path: *const c_char, buf: *mut c_char, bufsz: ::size_t, ) -> ::ssize_t1396     pub fn readlink(
1397         path: *const c_char,
1398         buf: *mut c_char,
1399         bufsz: ::size_t,
1400     ) -> ::ssize_t;
1401 
1402     #[cfg_attr(target_os = "netbsd", link_name = "__sigemptyset14")]
sigemptyset(set: *mut sigset_t) -> ::c_int1403     pub fn sigemptyset(set: *mut sigset_t) -> ::c_int;
1404     #[cfg_attr(target_os = "netbsd", link_name = "__sigaddset14")]
sigaddset(set: *mut sigset_t, signum: ::c_int) -> ::c_int1405     pub fn sigaddset(set: *mut sigset_t, signum: ::c_int) -> ::c_int;
1406     #[cfg_attr(target_os = "netbsd", link_name = "__sigfillset14")]
sigfillset(set: *mut sigset_t) -> ::c_int1407     pub fn sigfillset(set: *mut sigset_t) -> ::c_int;
1408     #[cfg_attr(target_os = "netbsd", link_name = "__sigdelset14")]
sigdelset(set: *mut sigset_t, signum: ::c_int) -> ::c_int1409     pub fn sigdelset(set: *mut sigset_t, signum: ::c_int) -> ::c_int;
1410     #[cfg_attr(target_os = "netbsd", link_name = "__sigismember14")]
sigismember(set: *const sigset_t, signum: ::c_int) -> ::c_int1411     pub fn sigismember(set: *const sigset_t, signum: ::c_int) -> ::c_int;
1412 
1413     #[cfg_attr(target_os = "netbsd", link_name = "__sigprocmask14")]
sigprocmask( how: ::c_int, set: *const sigset_t, oldset: *mut sigset_t, ) -> ::c_int1414     pub fn sigprocmask(
1415         how: ::c_int,
1416         set: *const sigset_t,
1417         oldset: *mut sigset_t,
1418     ) -> ::c_int;
1419     #[cfg_attr(target_os = "netbsd", link_name = "__sigpending14")]
sigpending(set: *mut sigset_t) -> ::c_int1420     pub fn sigpending(set: *mut sigset_t) -> ::c_int;
1421 
1422     #[cfg_attr(target_os = "netbsd", link_name = "__timegm50")]
timegm(tm: *mut ::tm) -> time_t1423     pub fn timegm(tm: *mut ::tm) -> time_t;
1424 
sysconf(name: ::c_int) -> ::c_long1425     pub fn sysconf(name: ::c_int) -> ::c_long;
1426 
mkfifo(path: *const c_char, mode: mode_t) -> ::c_int1427     pub fn mkfifo(path: *const c_char, mode: mode_t) -> ::c_int;
1428 
1429     #[cfg_attr(
1430         all(target_os = "macos", target_arch = "x86_64"),
1431         link_name = "pselect$1050"
1432     )]
1433     #[cfg_attr(
1434         all(target_os = "macos", target_arch = "x86"),
1435         link_name = "pselect$UNIX2003"
1436     )]
1437     #[cfg_attr(target_os = "netbsd", link_name = "__pselect50")]
pselect( nfds: ::c_int, readfs: *mut fd_set, writefds: *mut fd_set, errorfds: *mut fd_set, timeout: *const timespec, sigmask: *const sigset_t, ) -> ::c_int1438     pub fn pselect(
1439         nfds: ::c_int,
1440         readfs: *mut fd_set,
1441         writefds: *mut fd_set,
1442         errorfds: *mut fd_set,
1443         timeout: *const timespec,
1444         sigmask: *const sigset_t,
1445     ) -> ::c_int;
fseeko( stream: *mut ::FILE, offset: ::off_t, whence: ::c_int, ) -> ::c_int1446     pub fn fseeko(
1447         stream: *mut ::FILE,
1448         offset: ::off_t,
1449         whence: ::c_int,
1450     ) -> ::c_int;
ftello(stream: *mut ::FILE) -> ::off_t1451     pub fn ftello(stream: *mut ::FILE) -> ::off_t;
1452     #[cfg_attr(
1453         all(target_os = "macos", target_arch = "x86"),
1454         link_name = "tcdrain$UNIX2003"
1455     )]
tcdrain(fd: ::c_int) -> ::c_int1456     pub fn tcdrain(fd: ::c_int) -> ::c_int;
cfgetispeed(termios: *const ::termios) -> ::speed_t1457     pub fn cfgetispeed(termios: *const ::termios) -> ::speed_t;
cfgetospeed(termios: *const ::termios) -> ::speed_t1458     pub fn cfgetospeed(termios: *const ::termios) -> ::speed_t;
cfsetispeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int1459     pub fn cfsetispeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int;
cfsetospeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int1460     pub fn cfsetospeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int;
tcgetattr(fd: ::c_int, termios: *mut ::termios) -> ::c_int1461     pub fn tcgetattr(fd: ::c_int, termios: *mut ::termios) -> ::c_int;
tcsetattr( fd: ::c_int, optional_actions: ::c_int, termios: *const ::termios, ) -> ::c_int1462     pub fn tcsetattr(
1463         fd: ::c_int,
1464         optional_actions: ::c_int,
1465         termios: *const ::termios,
1466     ) -> ::c_int;
tcflow(fd: ::c_int, action: ::c_int) -> ::c_int1467     pub fn tcflow(fd: ::c_int, action: ::c_int) -> ::c_int;
tcflush(fd: ::c_int, action: ::c_int) -> ::c_int1468     pub fn tcflush(fd: ::c_int, action: ::c_int) -> ::c_int;
tcgetsid(fd: ::c_int) -> ::pid_t1469     pub fn tcgetsid(fd: ::c_int) -> ::pid_t;
tcsendbreak(fd: ::c_int, duration: ::c_int) -> ::c_int1470     pub fn tcsendbreak(fd: ::c_int, duration: ::c_int) -> ::c_int;
mkstemp(template: *mut ::c_char) -> ::c_int1471     pub fn mkstemp(template: *mut ::c_char) -> ::c_int;
mkdtemp(template: *mut ::c_char) -> *mut ::c_char1472     pub fn mkdtemp(template: *mut ::c_char) -> *mut ::c_char;
1473 
tmpnam(ptr: *mut ::c_char) -> *mut ::c_char1474     pub fn tmpnam(ptr: *mut ::c_char) -> *mut ::c_char;
1475 
openlog(ident: *const ::c_char, logopt: ::c_int, facility: ::c_int)1476     pub fn openlog(ident: *const ::c_char, logopt: ::c_int, facility: ::c_int);
closelog()1477     pub fn closelog();
setlogmask(maskpri: ::c_int) -> ::c_int1478     pub fn setlogmask(maskpri: ::c_int) -> ::c_int;
1479     #[cfg_attr(target_os = "macos", link_name = "syslog$DARWIN_EXTSN")]
syslog(priority: ::c_int, message: *const ::c_char, ...)1480     pub fn syslog(priority: ::c_int, message: *const ::c_char, ...);
1481     #[cfg_attr(
1482         all(target_os = "macos", target_arch = "x86"),
1483         link_name = "nice$UNIX2003"
1484     )]
nice(incr: ::c_int) -> ::c_int1485     pub fn nice(incr: ::c_int) -> ::c_int;
1486 
grantpt(fd: ::c_int) -> ::c_int1487     pub fn grantpt(fd: ::c_int) -> ::c_int;
posix_openpt(flags: ::c_int) -> ::c_int1488     pub fn posix_openpt(flags: ::c_int) -> ::c_int;
ptsname(fd: ::c_int) -> *mut ::c_char1489     pub fn ptsname(fd: ::c_int) -> *mut ::c_char;
unlockpt(fd: ::c_int) -> ::c_int1490     pub fn unlockpt(fd: ::c_int) -> ::c_int;
1491 
strcasestr(cs: *const c_char, ct: *const c_char) -> *mut c_char1492     pub fn strcasestr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
getline( lineptr: *mut *mut c_char, n: *mut size_t, stream: *mut FILE, ) -> ssize_t1493     pub fn getline(
1494         lineptr: *mut *mut c_char,
1495         n: *mut size_t,
1496         stream: *mut FILE,
1497     ) -> ssize_t;
1498 
lockf( fd: ::c_int, cmd: ::c_int, len: ::off_t, ) -> ::c_int1499     pub fn lockf(
1500         fd: ::c_int,
1501         cmd: ::c_int,
1502         len: ::off_t,
1503     ) -> ::c_int;
1504 }
1505 
1506 cfg_if! {
1507     if #[cfg(not(target_os = "redox"))] {
1508         extern {
1509             pub fn getsid(pid: pid_t) -> pid_t;
1510             pub fn truncate(path: *const c_char, length: off_t) -> ::c_int;
1511             #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
1512                        link_name = "pause$UNIX2003")]
1513             pub fn pause() -> ::c_int;
1514 
1515             pub fn readlinkat(dirfd: ::c_int,
1516                               pathname: *const ::c_char,
1517                               buf: *mut ::c_char,
1518                               bufsiz: ::size_t) -> ::ssize_t;
1519             pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
1520                            mode: ::mode_t) -> ::c_int;
1521             pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
1522                           flags: ::c_int, ...) -> ::c_int;
1523 
1524             #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
1525                        link_name = "fdopendir$INODE64")]
1526             #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
1527                        link_name = "fdopendir$INODE64$UNIX2003")]
1528             pub fn fdopendir(fd: ::c_int) -> *mut ::DIR;
1529 
1530             #[cfg_attr(all(target_os = "macos", not(target_arch = "aarch64")),
1531                        link_name = "readdir_r$INODE64")]
1532             #[cfg_attr(target_os = "netbsd", link_name = "__readdir_r30")]
1533             #[cfg_attr(
1534                 all(target_os = "freebsd", any(freebsd11, freebsd10)),
1535                 link_name = "readdir_r@FBSD_1.0"
1536             )]
1537             /// The 64-bit libc on Solaris and illumos only has readdir_r.  If a
1538             /// 32-bit Solaris or illumos target is ever created, it should use
1539             /// __posix_readdir_r.  See libc(3LIB) on Solaris or illumos:
1540             /// https://illumos.org/man/3lib/libc
1541             /// https://docs.oracle.com/cd/E36784_01/html/E36873/libc-3lib.html
1542             /// https://www.unix.com/man-page/opensolaris/3LIB/libc/
1543             pub fn readdir_r(dirp: *mut ::DIR, entry: *mut ::dirent,
1544                              result: *mut *mut ::dirent) -> ::c_int;
1545         }
1546     }
1547 }
1548 
1549 cfg_if! {
1550    if #[cfg(not(any(target_os = "solaris", target_os = "illumos")))] {
1551         extern {
1552             pub fn cfmakeraw(termios: *mut ::termios);
1553             pub fn cfsetspeed(termios: *mut ::termios,
1554                               speed: ::speed_t) -> ::c_int;
1555         }
1556    }
1557 }
1558 
1559 cfg_if! {
1560     if #[cfg(target_env = "uclibc")] {
1561         mod uclibc;
1562         pub use self::uclibc::*;
1563     } else if #[cfg(target_env = "newlib")] {
1564         mod newlib;
1565         pub use self::newlib::*;
1566     } else if #[cfg(any(target_os = "linux",
1567                         target_os = "android",
1568                         target_os = "emscripten"))] {
1569         mod linux_like;
1570         pub use self::linux_like::*;
1571     } else if #[cfg(any(target_os = "macos",
1572                         target_os = "ios",
1573                         target_os = "freebsd",
1574                         target_os = "dragonfly",
1575                         target_os = "openbsd",
1576                         target_os = "netbsd"))] {
1577         mod bsd;
1578         pub use self::bsd::*;
1579     } else if #[cfg(any(target_os = "solaris",
1580                         target_os = "illumos"))] {
1581         mod solarish;
1582         pub use self::solarish::*;
1583     } else if #[cfg(target_os = "haiku")] {
1584         mod haiku;
1585         pub use self::haiku::*;
1586     } else if #[cfg(target_os = "hermit")] {
1587         mod hermit;
1588         pub use self::hermit::*;
1589     } else if #[cfg(target_os = "redox")] {
1590         mod redox;
1591         pub use self::redox::*;
1592     } else {
1593         // Unknown target_os
1594     }
1595 }
1596 
1597 cfg_if! {
1598     if #[cfg(libc_core_cvoid)] {
1599         pub use ::ffi::c_void;
1600     } else {
1601         // Use repr(u8) as LLVM expects `void*` to be the same as `i8*` to help
1602         // enable more optimization opportunities around it recognizing things
1603         // like malloc/free.
1604         #[repr(u8)]
1605         #[allow(missing_copy_implementations)]
1606         #[allow(missing_debug_implementations)]
1607         pub enum c_void {
1608             // Two dummy variants so the #[repr] attribute can be used.
1609             #[doc(hidden)]
1610             __variant1,
1611             #[doc(hidden)]
1612             __variant2,
1613         }
1614     }
1615 }
1616 
1617 cfg_if! {
1618     if #[cfg(libc_align)] {
1619         mod align;
1620         pub use self::align::*;
1621     } else {
1622         mod no_align;
1623         pub use self::no_align::*;
1624     }
1625 }
1626