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;
fflush(file: *mut FILE) -> c_int422     pub fn fflush(file: *mut FILE) -> c_int;
fclose(file: *mut FILE) -> c_int423     pub fn fclose(file: *mut FILE) -> c_int;
remove(filename: *const c_char) -> c_int424     pub fn remove(filename: *const c_char) -> c_int;
rename(oldname: *const c_char, newname: *const c_char) -> c_int425     pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;
tmpfile() -> *mut FILE426     pub fn tmpfile() -> *mut FILE;
setvbuf( stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t, ) -> c_int427     pub fn setvbuf(
428         stream: *mut FILE,
429         buffer: *mut c_char,
430         mode: c_int,
431         size: size_t,
432     ) -> c_int;
setbuf(stream: *mut FILE, buf: *mut c_char)433     pub fn setbuf(stream: *mut FILE, buf: *mut c_char);
getchar() -> c_int434     pub fn getchar() -> c_int;
putchar(c: c_int) -> c_int435     pub fn putchar(c: c_int) -> c_int;
fgetc(stream: *mut FILE) -> c_int436     pub fn fgetc(stream: *mut FILE) -> c_int;
fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char437     pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE)
438         -> *mut c_char;
fputc(c: c_int, stream: *mut FILE) -> c_int439     pub fn fputc(c: c_int, stream: *mut FILE) -> c_int;
440     #[cfg_attr(
441         all(target_os = "macos", target_arch = "x86"),
442         link_name = "fputs$UNIX2003"
443     )]
fputs(s: *const c_char, stream: *mut FILE) -> c_int444     pub fn fputs(s: *const c_char, stream: *mut FILE) -> c_int;
puts(s: *const c_char) -> c_int445     pub fn puts(s: *const c_char) -> c_int;
ungetc(c: c_int, stream: *mut FILE) -> c_int446     pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;
fread( ptr: *mut c_void, size: size_t, nobj: size_t, stream: *mut FILE, ) -> size_t447     pub fn fread(
448         ptr: *mut c_void,
449         size: size_t,
450         nobj: size_t,
451         stream: *mut FILE,
452     ) -> size_t;
453     #[cfg_attr(
454         all(target_os = "macos", target_arch = "x86"),
455         link_name = "fwrite$UNIX2003"
456     )]
fwrite( ptr: *const c_void, size: size_t, nobj: size_t, stream: *mut FILE, ) -> size_t457     pub fn fwrite(
458         ptr: *const c_void,
459         size: size_t,
460         nobj: size_t,
461         stream: *mut FILE,
462     ) -> size_t;
fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int463     pub fn fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int;
ftell(stream: *mut FILE) -> c_long464     pub fn ftell(stream: *mut FILE) -> c_long;
rewind(stream: *mut FILE)465     pub fn rewind(stream: *mut FILE);
466     #[cfg_attr(target_os = "netbsd", link_name = "__fgetpos50")]
fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int467     pub fn fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int;
468     #[cfg_attr(target_os = "netbsd", link_name = "__fsetpos50")]
fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int469     pub fn fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int;
feof(stream: *mut FILE) -> c_int470     pub fn feof(stream: *mut FILE) -> c_int;
ferror(stream: *mut FILE) -> c_int471     pub fn ferror(stream: *mut FILE) -> c_int;
perror(s: *const c_char)472     pub fn perror(s: *const c_char);
atoi(s: *const c_char) -> c_int473     pub fn atoi(s: *const c_char) -> c_int;
474     #[cfg_attr(
475         all(target_os = "macos", target_arch = "x86"),
476         link_name = "strtod$UNIX2003"
477     )]
strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double478     pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
strtol( s: *const c_char, endp: *mut *mut c_char, base: c_int, ) -> c_long479     pub fn strtol(
480         s: *const c_char,
481         endp: *mut *mut c_char,
482         base: c_int,
483     ) -> c_long;
strtoul( s: *const c_char, endp: *mut *mut c_char, base: c_int, ) -> c_ulong484     pub fn strtoul(
485         s: *const c_char,
486         endp: *mut *mut c_char,
487         base: c_int,
488     ) -> c_ulong;
calloc(nobj: size_t, size: size_t) -> *mut c_void489     pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
malloc(size: size_t) -> *mut c_void490     pub fn malloc(size: size_t) -> *mut c_void;
realloc(p: *mut c_void, size: size_t) -> *mut c_void491     pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void;
free(p: *mut c_void)492     pub fn free(p: *mut c_void);
abort() -> !493     pub fn abort() -> !;
exit(status: c_int) -> !494     pub fn exit(status: c_int) -> !;
_exit(status: c_int) -> !495     pub fn _exit(status: c_int) -> !;
atexit(cb: extern "C" fn()) -> c_int496     pub fn atexit(cb: extern "C" fn()) -> c_int;
497     #[cfg_attr(
498         all(target_os = "macos", target_arch = "x86"),
499         link_name = "system$UNIX2003"
500     )]
system(s: *const c_char) -> c_int501     pub fn system(s: *const c_char) -> c_int;
getenv(s: *const c_char) -> *mut c_char502     pub fn getenv(s: *const c_char) -> *mut c_char;
503 
strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char504     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_char505     pub fn strncpy(
506         dst: *mut c_char,
507         src: *const c_char,
508         n: size_t,
509     ) -> *mut c_char;
strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char510     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_char511     pub fn strncat(
512         s: *mut c_char,
513         ct: *const c_char,
514         n: size_t,
515     ) -> *mut c_char;
strcmp(cs: *const c_char, ct: *const c_char) -> c_int516     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_int517     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_int518     pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;
strchr(cs: *const c_char, c: c_int) -> *mut c_char519     pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char;
strrchr(cs: *const c_char, c: c_int) -> *mut c_char520     pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char;
strspn(cs: *const c_char, ct: *const c_char) -> size_t521     pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t;
strcspn(cs: *const c_char, ct: *const c_char) -> size_t522     pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t;
strdup(cs: *const c_char) -> *mut c_char523     pub fn strdup(cs: *const c_char) -> *mut c_char;
strndup(cs: *const c_char, n: size_t) -> *mut c_char524     pub fn strndup(cs: *const c_char, n: size_t) -> *mut c_char;
strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char525     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_char526     pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
strcasecmp(s1: *const c_char, s2: *const c_char) -> c_int527     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_int528     pub fn strncasecmp(
529         s1: *const c_char,
530         s2: *const c_char,
531         n: size_t,
532     ) -> c_int;
strlen(cs: *const c_char) -> size_t533     pub fn strlen(cs: *const c_char) -> size_t;
strnlen(cs: *const c_char, maxlen: size_t) -> size_t534     pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;
535     #[cfg_attr(
536         all(target_os = "macos", target_arch = "x86"),
537         link_name = "strerror$UNIX2003"
538     )]
strerror(n: c_int) -> *mut c_char539     pub fn strerror(n: c_int) -> *mut c_char;
strtok(s: *mut c_char, t: *const c_char) -> *mut c_char540     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_t541     pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;
strsignal(sig: c_int) -> *mut c_char542     pub fn strsignal(sig: c_int) -> *mut c_char;
wcslen(buf: *const wchar_t) -> size_t543     pub fn wcslen(buf: *const wchar_t) -> size_t;
wcstombs( dest: *mut c_char, src: *const wchar_t, n: size_t, ) -> ::size_t544     pub fn wcstombs(
545         dest: *mut c_char,
546         src: *const wchar_t,
547         n: size_t,
548     ) -> ::size_t;
549 
memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void550     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_t551     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_int552     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_void553     pub fn memcpy(
554         dest: *mut c_void,
555         src: *const c_void,
556         n: size_t,
557     ) -> *mut c_void;
memmove( dest: *mut c_void, src: *const c_void, n: size_t, ) -> *mut c_void558     pub fn memmove(
559         dest: *mut c_void,
560         src: *const c_void,
561         n: size_t,
562     ) -> *mut c_void;
memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void563     pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;
564 }
565 
566 extern "C" {
567     #[cfg_attr(target_os = "netbsd", link_name = "__getpwnam50")]
getpwnam(name: *const ::c_char) -> *mut passwd568     pub fn getpwnam(name: *const ::c_char) -> *mut passwd;
569     #[cfg_attr(target_os = "netbsd", link_name = "__getpwuid50")]
getpwuid(uid: ::uid_t) -> *mut passwd570     pub fn getpwuid(uid: ::uid_t) -> *mut passwd;
571 
fprintf( stream: *mut ::FILE, format: *const ::c_char, ... ) -> ::c_int572     pub fn fprintf(
573         stream: *mut ::FILE,
574         format: *const ::c_char,
575         ...
576     ) -> ::c_int;
printf(format: *const ::c_char, ...) -> ::c_int577     pub fn printf(format: *const ::c_char, ...) -> ::c_int;
snprintf( s: *mut ::c_char, n: ::size_t, format: *const ::c_char, ... ) -> ::c_int578     pub fn snprintf(
579         s: *mut ::c_char,
580         n: ::size_t,
581         format: *const ::c_char,
582         ...
583     ) -> ::c_int;
sprintf(s: *mut ::c_char, format: *const ::c_char, ...) -> ::c_int584     pub fn sprintf(s: *mut ::c_char, format: *const ::c_char, ...) -> ::c_int;
585     #[cfg_attr(target_os = "linux", link_name = "__isoc99_fscanf")]
fscanf( stream: *mut ::FILE, format: *const ::c_char, ... ) -> ::c_int586     pub fn fscanf(
587         stream: *mut ::FILE,
588         format: *const ::c_char,
589         ...
590     ) -> ::c_int;
591     #[cfg_attr(target_os = "linux", link_name = "__isoc99_scanf")]
scanf(format: *const ::c_char, ...) -> ::c_int592     pub fn scanf(format: *const ::c_char, ...) -> ::c_int;
593     #[cfg_attr(target_os = "linux", link_name = "__isoc99_sscanf")]
sscanf(s: *const ::c_char, format: *const ::c_char, ...) -> ::c_int594     pub fn sscanf(s: *const ::c_char, format: *const ::c_char, ...)
595         -> ::c_int;
getchar_unlocked() -> ::c_int596     pub fn getchar_unlocked() -> ::c_int;
putchar_unlocked(c: ::c_int) -> ::c_int597     pub fn putchar_unlocked(c: ::c_int) -> ::c_int;
598 
599     #[cfg_attr(target_os = "netbsd", link_name = "__socket30")]
600     #[cfg_attr(target_os = "illumos", link_name = "__xnet_socket")]
socket(domain: ::c_int, ty: ::c_int, protocol: ::c_int) -> ::c_int601     pub fn socket(domain: ::c_int, ty: ::c_int, protocol: ::c_int) -> ::c_int;
602     #[cfg_attr(
603         all(target_os = "macos", target_arch = "x86"),
604         link_name = "connect$UNIX2003"
605     )]
606     #[cfg_attr(target_os = "illumos", link_name = "__xnet_connect")]
connect( socket: ::c_int, address: *const sockaddr, len: socklen_t, ) -> ::c_int607     pub fn connect(
608         socket: ::c_int,
609         address: *const sockaddr,
610         len: socklen_t,
611     ) -> ::c_int;
612     #[cfg_attr(
613         all(target_os = "macos", target_arch = "x86"),
614         link_name = "listen$UNIX2003"
615     )]
listen(socket: ::c_int, backlog: ::c_int) -> ::c_int616     pub fn listen(socket: ::c_int, backlog: ::c_int) -> ::c_int;
617     #[cfg_attr(
618         all(target_os = "macos", target_arch = "x86"),
619         link_name = "accept$UNIX2003"
620     )]
accept( socket: ::c_int, address: *mut sockaddr, address_len: *mut socklen_t, ) -> ::c_int621     pub fn accept(
622         socket: ::c_int,
623         address: *mut sockaddr,
624         address_len: *mut socklen_t,
625     ) -> ::c_int;
626     #[cfg_attr(
627         all(target_os = "macos", target_arch = "x86"),
628         link_name = "getpeername$UNIX2003"
629     )]
getpeername( socket: ::c_int, address: *mut sockaddr, address_len: *mut socklen_t, ) -> ::c_int630     pub fn getpeername(
631         socket: ::c_int,
632         address: *mut sockaddr,
633         address_len: *mut socklen_t,
634     ) -> ::c_int;
635     #[cfg_attr(
636         all(target_os = "macos", target_arch = "x86"),
637         link_name = "getsockname$UNIX2003"
638     )]
getsockname( socket: ::c_int, address: *mut sockaddr, address_len: *mut socklen_t, ) -> ::c_int639     pub fn getsockname(
640         socket: ::c_int,
641         address: *mut sockaddr,
642         address_len: *mut socklen_t,
643     ) -> ::c_int;
setsockopt( socket: ::c_int, level: ::c_int, name: ::c_int, value: *const ::c_void, option_len: socklen_t, ) -> ::c_int644     pub fn setsockopt(
645         socket: ::c_int,
646         level: ::c_int,
647         name: ::c_int,
648         value: *const ::c_void,
649         option_len: socklen_t,
650     ) -> ::c_int;
651     #[cfg_attr(
652         all(target_os = "macos", target_arch = "x86"),
653         link_name = "socketpair$UNIX2003"
654     )]
655     #[cfg_attr(target_os = "illumos", link_name = "__xnet_socketpair")]
socketpair( domain: ::c_int, type_: ::c_int, protocol: ::c_int, socket_vector: *mut ::c_int, ) -> ::c_int656     pub fn socketpair(
657         domain: ::c_int,
658         type_: ::c_int,
659         protocol: ::c_int,
660         socket_vector: *mut ::c_int,
661     ) -> ::c_int;
662     #[cfg_attr(
663         all(target_os = "macos", target_arch = "x86"),
664         link_name = "sendto$UNIX2003"
665     )]
666     #[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_t667     pub fn sendto(
668         socket: ::c_int,
669         buf: *const ::c_void,
670         len: ::size_t,
671         flags: ::c_int,
672         addr: *const sockaddr,
673         addrlen: socklen_t,
674     ) -> ::ssize_t;
shutdown(socket: ::c_int, how: ::c_int) -> ::c_int675     pub fn shutdown(socket: ::c_int, how: ::c_int) -> ::c_int;
676 
677     #[cfg_attr(
678         all(target_os = "macos", target_arch = "x86"),
679         link_name = "chmod$UNIX2003"
680     )]
chmod(path: *const c_char, mode: mode_t) -> ::c_int681     pub fn chmod(path: *const c_char, mode: mode_t) -> ::c_int;
682     #[cfg_attr(
683         all(target_os = "macos", target_arch = "x86"),
684         link_name = "fchmod$UNIX2003"
685     )]
fchmod(fd: ::c_int, mode: mode_t) -> ::c_int686     pub fn fchmod(fd: ::c_int, mode: mode_t) -> ::c_int;
687 
688     #[cfg_attr(
689         all(target_os = "macos", not(target_arch = "aarch64")),
690         link_name = "fstat$INODE64"
691     )]
692     #[cfg_attr(target_os = "netbsd", link_name = "__fstat50")]
693     #[cfg_attr(
694         all(target_os = "freebsd", any(freebsd11, freebsd10)),
695         link_name = "fstat@FBSD_1.0"
696     )]
fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int697     pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
698 
mkdir(path: *const c_char, mode: mode_t) -> ::c_int699     pub fn mkdir(path: *const c_char, mode: mode_t) -> ::c_int;
700 
701     #[cfg_attr(
702         all(target_os = "macos", not(target_arch = "aarch64")),
703         link_name = "stat$INODE64"
704     )]
705     #[cfg_attr(target_os = "netbsd", link_name = "__stat50")]
706     #[cfg_attr(
707         all(target_os = "freebsd", any(freebsd11, freebsd10)),
708         link_name = "stat@FBSD_1.0"
709     )]
stat(path: *const c_char, buf: *mut stat) -> ::c_int710     pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
711 
pclose(stream: *mut ::FILE) -> ::c_int712     pub fn pclose(stream: *mut ::FILE) -> ::c_int;
713     #[cfg_attr(
714         all(target_os = "macos", target_arch = "x86"),
715         link_name = "fdopen$UNIX2003"
716     )]
fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE717     pub fn fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE;
fileno(stream: *mut ::FILE) -> ::c_int718     pub fn fileno(stream: *mut ::FILE) -> ::c_int;
719 
720     #[cfg_attr(
721         all(target_os = "macos", target_arch = "x86"),
722         link_name = "open$UNIX2003"
723     )]
open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int724     pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
725     #[cfg_attr(
726         all(target_os = "macos", target_arch = "x86"),
727         link_name = "creat$UNIX2003"
728     )]
creat(path: *const c_char, mode: mode_t) -> ::c_int729     pub fn creat(path: *const c_char, mode: mode_t) -> ::c_int;
730     #[cfg_attr(
731         all(target_os = "macos", target_arch = "x86"),
732         link_name = "fcntl$UNIX2003"
733     )]
fcntl(fd: ::c_int, cmd: ::c_int, ...) -> ::c_int734     pub fn fcntl(fd: ::c_int, cmd: ::c_int, ...) -> ::c_int;
735 
736     #[cfg_attr(
737         all(target_os = "macos", target_arch = "x86_64"),
738         link_name = "opendir$INODE64"
739     )]
740     #[cfg_attr(
741         all(target_os = "macos", target_arch = "x86"),
742         link_name = "opendir$INODE64$UNIX2003"
743     )]
744     #[cfg_attr(target_os = "netbsd", link_name = "__opendir30")]
opendir(dirname: *const c_char) -> *mut ::DIR745     pub fn opendir(dirname: *const c_char) -> *mut ::DIR;
746 
747     #[cfg_attr(
748         all(target_os = "macos", not(target_arch = "aarch64")),
749         link_name = "readdir$INODE64"
750     )]
751     #[cfg_attr(target_os = "netbsd", link_name = "__readdir30")]
752     #[cfg_attr(
753         all(target_os = "freebsd", any(freebsd11, freebsd10)),
754         link_name = "readdir@FBSD_1.0"
755     )]
readdir(dirp: *mut ::DIR) -> *mut ::dirent756     pub fn readdir(dirp: *mut ::DIR) -> *mut ::dirent;
757     #[cfg_attr(
758         all(target_os = "macos", target_arch = "x86"),
759         link_name = "closedir$UNIX2003"
760     )]
closedir(dirp: *mut ::DIR) -> ::c_int761     pub fn closedir(dirp: *mut ::DIR) -> ::c_int;
762     #[cfg_attr(
763         all(target_os = "macos", target_arch = "x86_64"),
764         link_name = "rewinddir$INODE64"
765     )]
766     #[cfg_attr(
767         all(target_os = "macos", target_arch = "x86"),
768         link_name = "rewinddir$INODE64$UNIX2003"
769     )]
rewinddir(dirp: *mut ::DIR)770     pub fn rewinddir(dirp: *mut ::DIR);
771 
fchmodat( dirfd: ::c_int, pathname: *const ::c_char, mode: ::mode_t, flags: ::c_int, ) -> ::c_int772     pub fn fchmodat(
773         dirfd: ::c_int,
774         pathname: *const ::c_char,
775         mode: ::mode_t,
776         flags: ::c_int,
777     ) -> ::c_int;
fchown(fd: ::c_int, owner: ::uid_t, group: ::gid_t) -> ::c_int778     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_int779     pub fn fchownat(
780         dirfd: ::c_int,
781         pathname: *const ::c_char,
782         owner: ::uid_t,
783         group: ::gid_t,
784         flags: ::c_int,
785     ) -> ::c_int;
786     #[cfg_attr(
787         all(target_os = "macos", not(target_arch = "aarch64")),
788         link_name = "fstatat$INODE64"
789     )]
790     #[cfg_attr(
791         all(target_os = "freebsd", any(freebsd11, freebsd10)),
792         link_name = "fstatat@FBSD_1.1"
793     )]
fstatat( dirfd: ::c_int, pathname: *const ::c_char, buf: *mut stat, flags: ::c_int, ) -> ::c_int794     pub fn fstatat(
795         dirfd: ::c_int,
796         pathname: *const ::c_char,
797         buf: *mut stat,
798         flags: ::c_int,
799     ) -> ::c_int;
linkat( olddirfd: ::c_int, oldpath: *const ::c_char, newdirfd: ::c_int, newpath: *const ::c_char, flags: ::c_int, ) -> ::c_int800     pub fn linkat(
801         olddirfd: ::c_int,
802         oldpath: *const ::c_char,
803         newdirfd: ::c_int,
804         newpath: *const ::c_char,
805         flags: ::c_int,
806     ) -> ::c_int;
renameat( olddirfd: ::c_int, oldpath: *const ::c_char, newdirfd: ::c_int, newpath: *const ::c_char, ) -> ::c_int807     pub fn renameat(
808         olddirfd: ::c_int,
809         oldpath: *const ::c_char,
810         newdirfd: ::c_int,
811         newpath: *const ::c_char,
812     ) -> ::c_int;
symlinkat( target: *const ::c_char, newdirfd: ::c_int, linkpath: *const ::c_char, ) -> ::c_int813     pub fn symlinkat(
814         target: *const ::c_char,
815         newdirfd: ::c_int,
816         linkpath: *const ::c_char,
817     ) -> ::c_int;
unlinkat( dirfd: ::c_int, pathname: *const ::c_char, flags: ::c_int, ) -> ::c_int818     pub fn unlinkat(
819         dirfd: ::c_int,
820         pathname: *const ::c_char,
821         flags: ::c_int,
822     ) -> ::c_int;
823 
access(path: *const c_char, amode: ::c_int) -> ::c_int824     pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
alarm(seconds: ::c_uint) -> ::c_uint825     pub fn alarm(seconds: ::c_uint) -> ::c_uint;
chdir(dir: *const c_char) -> ::c_int826     pub fn chdir(dir: *const c_char) -> ::c_int;
fchdir(dirfd: ::c_int) -> ::c_int827     pub fn fchdir(dirfd: ::c_int) -> ::c_int;
chown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int828     pub fn chown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int;
829     #[cfg_attr(
830         all(target_os = "macos", target_arch = "x86"),
831         link_name = "lchown$UNIX2003"
832     )]
lchown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int833     pub fn lchown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int;
834     #[cfg_attr(
835         all(target_os = "macos", target_arch = "x86"),
836         link_name = "close$NOCANCEL$UNIX2003"
837     )]
838     #[cfg_attr(
839         all(target_os = "macos", target_arch = "x86_64"),
840         link_name = "close$NOCANCEL"
841     )]
close(fd: ::c_int) -> ::c_int842     pub fn close(fd: ::c_int) -> ::c_int;
dup(fd: ::c_int) -> ::c_int843     pub fn dup(fd: ::c_int) -> ::c_int;
dup2(src: ::c_int, dst: ::c_int) -> ::c_int844     pub fn dup2(src: ::c_int, dst: ::c_int) -> ::c_int;
execl(path: *const c_char, arg0: *const c_char, ...) -> ::c_int845     pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> ::c_int;
execle( path: *const ::c_char, arg0: *const ::c_char, ... ) -> ::c_int846     pub fn execle(
847         path: *const ::c_char,
848         arg0: *const ::c_char,
849         ...
850     ) -> ::c_int;
execlp( file: *const ::c_char, arg0: *const ::c_char, ... ) -> ::c_int851     pub fn execlp(
852         file: *const ::c_char,
853         arg0: *const ::c_char,
854         ...
855     ) -> ::c_int;
execv(prog: *const c_char, argv: *const *const c_char) -> ::c_int856     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_int857     pub fn execve(
858         prog: *const c_char,
859         argv: *const *const c_char,
860         envp: *const *const c_char,
861     ) -> ::c_int;
execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int862     pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;
fork() -> pid_t863     pub fn fork() -> pid_t;
fpathconf(filedes: ::c_int, name: ::c_int) -> c_long864     pub fn fpathconf(filedes: ::c_int, name: ::c_int) -> c_long;
getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char865     pub fn getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char;
getegid() -> gid_t866     pub fn getegid() -> gid_t;
geteuid() -> uid_t867     pub fn geteuid() -> uid_t;
getgid() -> gid_t868     pub fn getgid() -> gid_t;
getgroups(ngroups_max: ::c_int, groups: *mut gid_t) -> ::c_int869     pub fn getgroups(ngroups_max: ::c_int, groups: *mut gid_t) -> ::c_int;
870     #[cfg_attr(target_os = "illumos", link_name = "getloginx")]
getlogin() -> *mut c_char871     pub fn getlogin() -> *mut c_char;
872     #[cfg_attr(
873         all(target_os = "macos", target_arch = "x86"),
874         link_name = "getopt$UNIX2003"
875     )]
getopt( argc: ::c_int, argv: *const *mut c_char, optstr: *const c_char, ) -> ::c_int876     pub fn getopt(
877         argc: ::c_int,
878         argv: *const *mut c_char,
879         optstr: *const c_char,
880     ) -> ::c_int;
getpgid(pid: pid_t) -> pid_t881     pub fn getpgid(pid: pid_t) -> pid_t;
getpgrp() -> pid_t882     pub fn getpgrp() -> pid_t;
getpid() -> pid_t883     pub fn getpid() -> pid_t;
getppid() -> pid_t884     pub fn getppid() -> pid_t;
getuid() -> uid_t885     pub fn getuid() -> uid_t;
isatty(fd: ::c_int) -> ::c_int886     pub fn isatty(fd: ::c_int) -> ::c_int;
link(src: *const c_char, dst: *const c_char) -> ::c_int887     pub fn link(src: *const c_char, dst: *const c_char) -> ::c_int;
lseek(fd: ::c_int, offset: off_t, whence: ::c_int) -> off_t888     pub fn lseek(fd: ::c_int, offset: off_t, whence: ::c_int) -> off_t;
pathconf(path: *const c_char, name: ::c_int) -> c_long889     pub fn pathconf(path: *const c_char, name: ::c_int) -> c_long;
pipe(fds: *mut ::c_int) -> ::c_int890     pub fn pipe(fds: *mut ::c_int) -> ::c_int;
posix_memalign( memptr: *mut *mut ::c_void, align: ::size_t, size: ::size_t, ) -> ::c_int891     pub fn posix_memalign(
892         memptr: *mut *mut ::c_void,
893         align: ::size_t,
894         size: ::size_t,
895     ) -> ::c_int;
896     #[cfg_attr(
897         all(target_os = "macos", target_arch = "x86"),
898         link_name = "read$UNIX2003"
899     )]
read(fd: ::c_int, buf: *mut ::c_void, count: ::size_t) -> ::ssize_t900     pub fn read(fd: ::c_int, buf: *mut ::c_void, count: ::size_t)
901         -> ::ssize_t;
rmdir(path: *const c_char) -> ::c_int902     pub fn rmdir(path: *const c_char) -> ::c_int;
seteuid(uid: uid_t) -> ::c_int903     pub fn seteuid(uid: uid_t) -> ::c_int;
setegid(gid: gid_t) -> ::c_int904     pub fn setegid(gid: gid_t) -> ::c_int;
setgid(gid: gid_t) -> ::c_int905     pub fn setgid(gid: gid_t) -> ::c_int;
setpgid(pid: pid_t, pgid: pid_t) -> ::c_int906     pub fn setpgid(pid: pid_t, pgid: pid_t) -> ::c_int;
setsid() -> pid_t907     pub fn setsid() -> pid_t;
setuid(uid: uid_t) -> ::c_int908     pub fn setuid(uid: uid_t) -> ::c_int;
909     #[cfg_attr(
910         all(target_os = "macos", target_arch = "x86"),
911         link_name = "sleep$UNIX2003"
912     )]
sleep(secs: ::c_uint) -> ::c_uint913     pub fn sleep(secs: ::c_uint) -> ::c_uint;
914     #[cfg_attr(
915         all(target_os = "macos", target_arch = "x86"),
916         link_name = "nanosleep$UNIX2003"
917     )]
918     #[cfg_attr(target_os = "netbsd", link_name = "__nanosleep50")]
nanosleep(rqtp: *const timespec, rmtp: *mut timespec) -> ::c_int919     pub fn nanosleep(rqtp: *const timespec, rmtp: *mut timespec) -> ::c_int;
tcgetpgrp(fd: ::c_int) -> pid_t920     pub fn tcgetpgrp(fd: ::c_int) -> pid_t;
tcsetpgrp(fd: ::c_int, pgrp: ::pid_t) -> ::c_int921     pub fn tcsetpgrp(fd: ::c_int, pgrp: ::pid_t) -> ::c_int;
ttyname(fd: ::c_int) -> *mut c_char922     pub fn ttyname(fd: ::c_int) -> *mut c_char;
923     #[cfg_attr(
924         all(target_os = "macos", target_arch = "x86"),
925         link_name = "ttyname_r$UNIX2003"
926     )]
927     #[cfg_attr(target_os = "illumos", link_name = "__posix_ttyname_r")]
ttyname_r( fd: ::c_int, buf: *mut c_char, buflen: ::size_t, ) -> ::c_int928     pub fn ttyname_r(
929         fd: ::c_int,
930         buf: *mut c_char,
931         buflen: ::size_t,
932     ) -> ::c_int;
unlink(c: *const c_char) -> ::c_int933     pub fn unlink(c: *const c_char) -> ::c_int;
934     #[cfg_attr(
935         all(target_os = "macos", target_arch = "x86"),
936         link_name = "wait$UNIX2003"
937     )]
wait(status: *mut ::c_int) -> pid_t938     pub fn wait(status: *mut ::c_int) -> pid_t;
939     #[cfg_attr(
940         all(target_os = "macos", target_arch = "x86"),
941         link_name = "waitpid$UNIX2003"
942     )]
waitpid( pid: pid_t, status: *mut ::c_int, options: ::c_int, ) -> pid_t943     pub fn waitpid(
944         pid: pid_t,
945         status: *mut ::c_int,
946         options: ::c_int,
947     ) -> pid_t;
948     #[cfg_attr(
949         all(target_os = "macos", target_arch = "x86"),
950         link_name = "write$UNIX2003"
951     )]
write( fd: ::c_int, buf: *const ::c_void, count: ::size_t, ) -> ::ssize_t952     pub fn write(
953         fd: ::c_int,
954         buf: *const ::c_void,
955         count: ::size_t,
956     ) -> ::ssize_t;
957     #[cfg_attr(
958         all(target_os = "macos", target_arch = "x86"),
959         link_name = "pread$UNIX2003"
960     )]
pread( fd: ::c_int, buf: *mut ::c_void, count: ::size_t, offset: off_t, ) -> ::ssize_t961     pub fn pread(
962         fd: ::c_int,
963         buf: *mut ::c_void,
964         count: ::size_t,
965         offset: off_t,
966     ) -> ::ssize_t;
967     #[cfg_attr(
968         all(target_os = "macos", target_arch = "x86"),
969         link_name = "pwrite$UNIX2003"
970     )]
pwrite( fd: ::c_int, buf: *const ::c_void, count: ::size_t, offset: off_t, ) -> ::ssize_t971     pub fn pwrite(
972         fd: ::c_int,
973         buf: *const ::c_void,
974         count: ::size_t,
975         offset: off_t,
976     ) -> ::ssize_t;
umask(mask: mode_t) -> mode_t977     pub fn umask(mask: mode_t) -> mode_t;
978 
979     #[cfg_attr(target_os = "netbsd", link_name = "__utime50")]
utime(file: *const c_char, buf: *const utimbuf) -> ::c_int980     pub fn utime(file: *const c_char, buf: *const utimbuf) -> ::c_int;
981 
982     #[cfg_attr(
983         all(target_os = "macos", target_arch = "x86"),
984         link_name = "kill$UNIX2003"
985     )]
kill(pid: pid_t, sig: ::c_int) -> ::c_int986     pub fn kill(pid: pid_t, sig: ::c_int) -> ::c_int;
987     #[cfg_attr(
988         all(target_os = "macos", target_arch = "x86"),
989         link_name = "killpg$UNIX2003"
990     )]
killpg(pgrp: pid_t, sig: ::c_int) -> ::c_int991     pub fn killpg(pgrp: pid_t, sig: ::c_int) -> ::c_int;
992 
mlock(addr: *const ::c_void, len: ::size_t) -> ::c_int993     pub fn mlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
munlock(addr: *const ::c_void, len: ::size_t) -> ::c_int994     pub fn munlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
mlockall(flags: ::c_int) -> ::c_int995     pub fn mlockall(flags: ::c_int) -> ::c_int;
munlockall() -> ::c_int996     pub fn munlockall() -> ::c_int;
997 
998     #[cfg_attr(
999         all(target_os = "macos", target_arch = "x86"),
1000         link_name = "mmap$UNIX2003"
1001     )]
mmap( addr: *mut ::c_void, len: ::size_t, prot: ::c_int, flags: ::c_int, fd: ::c_int, offset: off_t, ) -> *mut ::c_void1002     pub fn mmap(
1003         addr: *mut ::c_void,
1004         len: ::size_t,
1005         prot: ::c_int,
1006         flags: ::c_int,
1007         fd: ::c_int,
1008         offset: off_t,
1009     ) -> *mut ::c_void;
1010     #[cfg_attr(
1011         all(target_os = "macos", target_arch = "x86"),
1012         link_name = "munmap$UNIX2003"
1013     )]
munmap(addr: *mut ::c_void, len: ::size_t) -> ::c_int1014     pub fn munmap(addr: *mut ::c_void, len: ::size_t) -> ::c_int;
1015 
if_nametoindex(ifname: *const c_char) -> ::c_uint1016     pub fn if_nametoindex(ifname: *const c_char) -> ::c_uint;
if_indextoname( ifindex: ::c_uint, ifname: *mut ::c_char, ) -> *mut ::c_char1017     pub fn if_indextoname(
1018         ifindex: ::c_uint,
1019         ifname: *mut ::c_char,
1020     ) -> *mut ::c_char;
1021 
1022     #[cfg_attr(
1023         all(target_os = "macos", not(target_arch = "aarch64")),
1024         link_name = "lstat$INODE64"
1025     )]
1026     #[cfg_attr(target_os = "netbsd", link_name = "__lstat50")]
1027     #[cfg_attr(
1028         all(target_os = "freebsd", any(freebsd11, freebsd10)),
1029         link_name = "lstat@FBSD_1.0"
1030     )]
lstat(path: *const c_char, buf: *mut stat) -> ::c_int1031     pub fn lstat(path: *const c_char, buf: *mut stat) -> ::c_int;
1032 
1033     #[cfg_attr(
1034         all(target_os = "macos", target_arch = "x86"),
1035         link_name = "fsync$UNIX2003"
1036     )]
fsync(fd: ::c_int) -> ::c_int1037     pub fn fsync(fd: ::c_int) -> ::c_int;
1038 
1039     #[cfg_attr(
1040         all(target_os = "macos", target_arch = "x86"),
1041         link_name = "setenv$UNIX2003"
1042     )]
setenv( name: *const c_char, val: *const c_char, overwrite: ::c_int, ) -> ::c_int1043     pub fn setenv(
1044         name: *const c_char,
1045         val: *const c_char,
1046         overwrite: ::c_int,
1047     ) -> ::c_int;
1048     #[cfg_attr(
1049         all(target_os = "macos", target_arch = "x86"),
1050         link_name = "unsetenv$UNIX2003"
1051     )]
1052     #[cfg_attr(target_os = "netbsd", link_name = "__unsetenv13")]
unsetenv(name: *const c_char) -> ::c_int1053     pub fn unsetenv(name: *const c_char) -> ::c_int;
1054 
symlink(path1: *const c_char, path2: *const c_char) -> ::c_int1055     pub fn symlink(path1: *const c_char, path2: *const c_char) -> ::c_int;
1056 
ftruncate(fd: ::c_int, length: off_t) -> ::c_int1057     pub fn ftruncate(fd: ::c_int, length: off_t) -> ::c_int;
1058 
signal(signum: ::c_int, handler: sighandler_t) -> sighandler_t1059     pub fn signal(signum: ::c_int, handler: sighandler_t) -> sighandler_t;
1060 
1061     #[cfg_attr(target_os = "netbsd", link_name = "__getrusage50")]
getrusage(resource: ::c_int, usage: *mut rusage) -> ::c_int1062     pub fn getrusage(resource: ::c_int, usage: *mut rusage) -> ::c_int;
1063 
1064     #[cfg_attr(
1065         any(target_os = "macos", target_os = "ios"),
1066         link_name = "realpath$DARWIN_EXTSN"
1067     )]
realpath( pathname: *const ::c_char, resolved: *mut ::c_char, ) -> *mut ::c_char1068     pub fn realpath(
1069         pathname: *const ::c_char,
1070         resolved: *mut ::c_char,
1071     ) -> *mut ::c_char;
1072 
flock(fd: ::c_int, operation: ::c_int) -> ::c_int1073     pub fn flock(fd: ::c_int, operation: ::c_int) -> ::c_int;
1074 
1075     #[cfg_attr(target_os = "netbsd", link_name = "__times13")]
times(buf: *mut ::tms) -> ::clock_t1076     pub fn times(buf: *mut ::tms) -> ::clock_t;
1077 
pthread_self() -> ::pthread_t1078     pub fn pthread_self() -> ::pthread_t;
1079     #[cfg_attr(
1080         all(target_os = "macos", target_arch = "x86"),
1081         link_name = "pthread_join$UNIX2003"
1082     )]
pthread_join( native: ::pthread_t, value: *mut *mut ::c_void, ) -> ::c_int1083     pub fn pthread_join(
1084         native: ::pthread_t,
1085         value: *mut *mut ::c_void,
1086     ) -> ::c_int;
pthread_exit(value: *mut ::c_void) -> !1087     pub fn pthread_exit(value: *mut ::c_void) -> !;
pthread_attr_init(attr: *mut ::pthread_attr_t) -> ::c_int1088     pub fn pthread_attr_init(attr: *mut ::pthread_attr_t) -> ::c_int;
pthread_attr_destroy(attr: *mut ::pthread_attr_t) -> ::c_int1089     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_int1090     pub fn pthread_attr_setstacksize(
1091         attr: *mut ::pthread_attr_t,
1092         stack_size: ::size_t,
1093     ) -> ::c_int;
pthread_attr_setdetachstate( attr: *mut ::pthread_attr_t, state: ::c_int, ) -> ::c_int1094     pub fn pthread_attr_setdetachstate(
1095         attr: *mut ::pthread_attr_t,
1096         state: ::c_int,
1097     ) -> ::c_int;
pthread_detach(thread: ::pthread_t) -> ::c_int1098     pub fn pthread_detach(thread: ::pthread_t) -> ::c_int;
1099     #[cfg_attr(target_os = "netbsd", link_name = "__libc_thr_yield")]
sched_yield() -> ::c_int1100     pub fn sched_yield() -> ::c_int;
pthread_key_create( key: *mut pthread_key_t, dtor: ::Option<unsafe extern "C" fn(*mut ::c_void)>, ) -> ::c_int1101     pub fn pthread_key_create(
1102         key: *mut pthread_key_t,
1103         dtor: ::Option<unsafe extern "C" fn(*mut ::c_void)>,
1104     ) -> ::c_int;
pthread_key_delete(key: pthread_key_t) -> ::c_int1105     pub fn pthread_key_delete(key: pthread_key_t) -> ::c_int;
pthread_getspecific(key: pthread_key_t) -> *mut ::c_void1106     pub fn pthread_getspecific(key: pthread_key_t) -> *mut ::c_void;
pthread_setspecific( key: pthread_key_t, value: *const ::c_void, ) -> ::c_int1107     pub fn pthread_setspecific(
1108         key: pthread_key_t,
1109         value: *const ::c_void,
1110     ) -> ::c_int;
pthread_mutex_init( lock: *mut pthread_mutex_t, attr: *const pthread_mutexattr_t, ) -> ::c_int1111     pub fn pthread_mutex_init(
1112         lock: *mut pthread_mutex_t,
1113         attr: *const pthread_mutexattr_t,
1114     ) -> ::c_int;
pthread_mutex_destroy(lock: *mut pthread_mutex_t) -> ::c_int1115     pub fn pthread_mutex_destroy(lock: *mut pthread_mutex_t) -> ::c_int;
pthread_mutex_lock(lock: *mut pthread_mutex_t) -> ::c_int1116     pub fn pthread_mutex_lock(lock: *mut pthread_mutex_t) -> ::c_int;
pthread_mutex_trylock(lock: *mut pthread_mutex_t) -> ::c_int1117     pub fn pthread_mutex_trylock(lock: *mut pthread_mutex_t) -> ::c_int;
pthread_mutex_unlock(lock: *mut pthread_mutex_t) -> ::c_int1118     pub fn pthread_mutex_unlock(lock: *mut pthread_mutex_t) -> ::c_int;
1119 
pthread_mutexattr_init(attr: *mut pthread_mutexattr_t) -> ::c_int1120     pub fn pthread_mutexattr_init(attr: *mut pthread_mutexattr_t) -> ::c_int;
1121     #[cfg_attr(
1122         all(target_os = "macos", target_arch = "x86"),
1123         link_name = "pthread_mutexattr_destroy$UNIX2003"
1124     )]
pthread_mutexattr_destroy( attr: *mut pthread_mutexattr_t, ) -> ::c_int1125     pub fn pthread_mutexattr_destroy(
1126         attr: *mut pthread_mutexattr_t,
1127     ) -> ::c_int;
pthread_mutexattr_settype( attr: *mut pthread_mutexattr_t, _type: ::c_int, ) -> ::c_int1128     pub fn pthread_mutexattr_settype(
1129         attr: *mut pthread_mutexattr_t,
1130         _type: ::c_int,
1131     ) -> ::c_int;
1132 
1133     #[cfg_attr(
1134         all(target_os = "macos", target_arch = "x86"),
1135         link_name = "pthread_cond_init$UNIX2003"
1136     )]
pthread_cond_init( cond: *mut pthread_cond_t, attr: *const pthread_condattr_t, ) -> ::c_int1137     pub fn pthread_cond_init(
1138         cond: *mut pthread_cond_t,
1139         attr: *const pthread_condattr_t,
1140     ) -> ::c_int;
1141     #[cfg_attr(
1142         all(target_os = "macos", target_arch = "x86"),
1143         link_name = "pthread_cond_wait$UNIX2003"
1144     )]
pthread_cond_wait( cond: *mut pthread_cond_t, lock: *mut pthread_mutex_t, ) -> ::c_int1145     pub fn pthread_cond_wait(
1146         cond: *mut pthread_cond_t,
1147         lock: *mut pthread_mutex_t,
1148     ) -> ::c_int;
1149     #[cfg_attr(
1150         all(target_os = "macos", target_arch = "x86"),
1151         link_name = "pthread_cond_timedwait$UNIX2003"
1152     )]
pthread_cond_timedwait( cond: *mut pthread_cond_t, lock: *mut pthread_mutex_t, abstime: *const ::timespec, ) -> ::c_int1153     pub fn pthread_cond_timedwait(
1154         cond: *mut pthread_cond_t,
1155         lock: *mut pthread_mutex_t,
1156         abstime: *const ::timespec,
1157     ) -> ::c_int;
pthread_cond_signal(cond: *mut pthread_cond_t) -> ::c_int1158     pub fn pthread_cond_signal(cond: *mut pthread_cond_t) -> ::c_int;
pthread_cond_broadcast(cond: *mut pthread_cond_t) -> ::c_int1159     pub fn pthread_cond_broadcast(cond: *mut pthread_cond_t) -> ::c_int;
pthread_cond_destroy(cond: *mut pthread_cond_t) -> ::c_int1160     pub fn pthread_cond_destroy(cond: *mut pthread_cond_t) -> ::c_int;
pthread_condattr_init(attr: *mut pthread_condattr_t) -> ::c_int1161     pub fn pthread_condattr_init(attr: *mut pthread_condattr_t) -> ::c_int;
pthread_condattr_destroy(attr: *mut pthread_condattr_t) -> ::c_int1162     pub fn pthread_condattr_destroy(attr: *mut pthread_condattr_t) -> ::c_int;
1163     #[cfg_attr(
1164         all(target_os = "macos", target_arch = "x86"),
1165         link_name = "pthread_rwlock_init$UNIX2003"
1166     )]
pthread_rwlock_init( lock: *mut pthread_rwlock_t, attr: *const pthread_rwlockattr_t, ) -> ::c_int1167     pub fn pthread_rwlock_init(
1168         lock: *mut pthread_rwlock_t,
1169         attr: *const pthread_rwlockattr_t,
1170     ) -> ::c_int;
1171     #[cfg_attr(
1172         all(target_os = "macos", target_arch = "x86"),
1173         link_name = "pthread_rwlock_destroy$UNIX2003"
1174     )]
pthread_rwlock_destroy(lock: *mut pthread_rwlock_t) -> ::c_int1175     pub fn pthread_rwlock_destroy(lock: *mut pthread_rwlock_t) -> ::c_int;
1176     #[cfg_attr(
1177         all(target_os = "macos", target_arch = "x86"),
1178         link_name = "pthread_rwlock_rdlock$UNIX2003"
1179     )]
pthread_rwlock_rdlock(lock: *mut pthread_rwlock_t) -> ::c_int1180     pub fn pthread_rwlock_rdlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1181     #[cfg_attr(
1182         all(target_os = "macos", target_arch = "x86"),
1183         link_name = "pthread_rwlock_tryrdlock$UNIX2003"
1184     )]
pthread_rwlock_tryrdlock(lock: *mut pthread_rwlock_t) -> ::c_int1185     pub fn pthread_rwlock_tryrdlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1186     #[cfg_attr(
1187         all(target_os = "macos", target_arch = "x86"),
1188         link_name = "pthread_rwlock_wrlock$UNIX2003"
1189     )]
pthread_rwlock_wrlock(lock: *mut pthread_rwlock_t) -> ::c_int1190     pub fn pthread_rwlock_wrlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1191     #[cfg_attr(
1192         all(target_os = "macos", target_arch = "x86"),
1193         link_name = "pthread_rwlock_trywrlock$UNIX2003"
1194     )]
pthread_rwlock_trywrlock(lock: *mut pthread_rwlock_t) -> ::c_int1195     pub fn pthread_rwlock_trywrlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1196     #[cfg_attr(
1197         all(target_os = "macos", target_arch = "x86"),
1198         link_name = "pthread_rwlock_unlock$UNIX2003"
1199     )]
pthread_rwlock_unlock(lock: *mut pthread_rwlock_t) -> ::c_int1200     pub fn pthread_rwlock_unlock(lock: *mut pthread_rwlock_t) -> ::c_int;
pthread_rwlockattr_init(attr: *mut pthread_rwlockattr_t) -> ::c_int1201     pub fn pthread_rwlockattr_init(attr: *mut pthread_rwlockattr_t)
1202         -> ::c_int;
pthread_rwlockattr_destroy( attr: *mut pthread_rwlockattr_t, ) -> ::c_int1203     pub fn pthread_rwlockattr_destroy(
1204         attr: *mut pthread_rwlockattr_t,
1205     ) -> ::c_int;
1206 
1207     #[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_int1208     pub fn getsockopt(
1209         sockfd: ::c_int,
1210         level: ::c_int,
1211         optname: ::c_int,
1212         optval: *mut ::c_void,
1213         optlen: *mut ::socklen_t,
1214     ) -> ::c_int;
raise(signum: ::c_int) -> ::c_int1215     pub fn raise(signum: ::c_int) -> ::c_int;
1216     #[cfg_attr(target_os = "netbsd", link_name = "__sigaction14")]
sigaction( signum: ::c_int, act: *const sigaction, oldact: *mut sigaction, ) -> ::c_int1217     pub fn sigaction(
1218         signum: ::c_int,
1219         act: *const sigaction,
1220         oldact: *mut sigaction,
1221     ) -> ::c_int;
1222 
1223     #[cfg_attr(target_os = "netbsd", link_name = "__utimes50")]
utimes( filename: *const ::c_char, times: *const ::timeval, ) -> ::c_int1224     pub fn utimes(
1225         filename: *const ::c_char,
1226         times: *const ::timeval,
1227     ) -> ::c_int;
dlopen(filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void1228     pub fn dlopen(filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void;
dlerror() -> *mut ::c_char1229     pub fn dlerror() -> *mut ::c_char;
dlsym( handle: *mut ::c_void, symbol: *const ::c_char, ) -> *mut ::c_void1230     pub fn dlsym(
1231         handle: *mut ::c_void,
1232         symbol: *const ::c_char,
1233     ) -> *mut ::c_void;
dlclose(handle: *mut ::c_void) -> ::c_int1234     pub fn dlclose(handle: *mut ::c_void) -> ::c_int;
dladdr(addr: *const ::c_void, info: *mut Dl_info) -> ::c_int1235     pub fn dladdr(addr: *const ::c_void, info: *mut Dl_info) -> ::c_int;
1236 
1237     #[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_int1238     pub fn getaddrinfo(
1239         node: *const c_char,
1240         service: *const c_char,
1241         hints: *const addrinfo,
1242         res: *mut *mut addrinfo,
1243     ) -> ::c_int;
freeaddrinfo(res: *mut addrinfo)1244     pub fn freeaddrinfo(res: *mut addrinfo);
gai_strerror(errcode: ::c_int) -> *const ::c_char1245     pub fn gai_strerror(errcode: ::c_int) -> *const ::c_char;
1246     #[cfg_attr(
1247         any(
1248             all(target_os = "linux", not(target_env = "musl")),
1249             target_os = "freebsd",
1250             target_os = "dragonfly",
1251             target_os = "haiku"
1252         ),
1253         link_name = "__res_init"
1254     )]
1255     #[cfg_attr(
1256         any(target_os = "macos", target_os = "ios"),
1257         link_name = "res_9_init"
1258     )]
res_init() -> ::c_int1259     pub fn res_init() -> ::c_int;
1260 
1261     #[cfg_attr(target_os = "netbsd", link_name = "__gmtime_r50")]
gmtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm1262     pub fn gmtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm;
1263     #[cfg_attr(target_os = "netbsd", link_name = "__localtime_r50")]
localtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm1264     pub fn localtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm;
1265     #[cfg_attr(
1266         all(target_os = "macos", target_arch = "x86"),
1267         link_name = "mktime$UNIX2003"
1268     )]
1269     #[cfg_attr(target_os = "netbsd", link_name = "__mktime50")]
mktime(tm: *mut tm) -> time_t1270     pub fn mktime(tm: *mut tm) -> time_t;
1271     #[cfg_attr(target_os = "netbsd", link_name = "__time50")]
time(time: *mut time_t) -> time_t1272     pub fn time(time: *mut time_t) -> time_t;
1273     #[cfg_attr(target_os = "netbsd", link_name = "__gmtime50")]
gmtime(time_p: *const time_t) -> *mut tm1274     pub fn gmtime(time_p: *const time_t) -> *mut tm;
1275     #[cfg_attr(target_os = "netbsd", link_name = "__locatime50")]
localtime(time_p: *const time_t) -> *mut tm1276     pub fn localtime(time_p: *const time_t) -> *mut tm;
1277     #[cfg_attr(target_os = "netbsd", link_name = "__difftime50")]
difftime(time1: time_t, time0: time_t) -> ::c_double1278     pub fn difftime(time1: time_t, time0: time_t) -> ::c_double;
1279 
1280     #[cfg_attr(target_os = "netbsd", link_name = "__mknod50")]
1281     #[cfg_attr(
1282         all(target_os = "freebsd", any(freebsd11, freebsd10)),
1283         link_name = "mknod@FBSD_1.0"
1284     )]
mknod( pathname: *const ::c_char, mode: ::mode_t, dev: ::dev_t, ) -> ::c_int1285     pub fn mknod(
1286         pathname: *const ::c_char,
1287         mode: ::mode_t,
1288         dev: ::dev_t,
1289     ) -> ::c_int;
gethostname(name: *mut ::c_char, len: ::size_t) -> ::c_int1290     pub fn gethostname(name: *mut ::c_char, len: ::size_t) -> ::c_int;
getservbyname( name: *const ::c_char, proto: *const ::c_char, ) -> *mut servent1291     pub fn getservbyname(
1292         name: *const ::c_char,
1293         proto: *const ::c_char,
1294     ) -> *mut servent;
getprotobyname(name: *const ::c_char) -> *mut protoent1295     pub fn getprotobyname(name: *const ::c_char) -> *mut protoent;
getprotobynumber(proto: ::c_int) -> *mut protoent1296     pub fn getprotobynumber(proto: ::c_int) -> *mut protoent;
chroot(name: *const ::c_char) -> ::c_int1297     pub fn chroot(name: *const ::c_char) -> ::c_int;
1298     #[cfg_attr(
1299         all(target_os = "macos", target_arch = "x86"),
1300         link_name = "usleep$UNIX2003"
1301     )]
usleep(secs: ::c_uint) -> ::c_int1302     pub fn usleep(secs: ::c_uint) -> ::c_int;
1303     #[cfg_attr(
1304         all(target_os = "macos", target_arch = "x86"),
1305         link_name = "send$UNIX2003"
1306     )]
send( socket: ::c_int, buf: *const ::c_void, len: ::size_t, flags: ::c_int, ) -> ::ssize_t1307     pub fn send(
1308         socket: ::c_int,
1309         buf: *const ::c_void,
1310         len: ::size_t,
1311         flags: ::c_int,
1312     ) -> ::ssize_t;
1313     #[cfg_attr(
1314         all(target_os = "macos", target_arch = "x86"),
1315         link_name = "recv$UNIX2003"
1316     )]
recv( socket: ::c_int, buf: *mut ::c_void, len: ::size_t, flags: ::c_int, ) -> ::ssize_t1317     pub fn recv(
1318         socket: ::c_int,
1319         buf: *mut ::c_void,
1320         len: ::size_t,
1321         flags: ::c_int,
1322     ) -> ::ssize_t;
1323     #[cfg_attr(
1324         all(target_os = "macos", target_arch = "x86"),
1325         link_name = "putenv$UNIX2003"
1326     )]
1327     #[cfg_attr(target_os = "netbsd", link_name = "__putenv50")]
putenv(string: *mut c_char) -> ::c_int1328     pub fn putenv(string: *mut c_char) -> ::c_int;
1329     #[cfg_attr(
1330         all(target_os = "macos", target_arch = "x86"),
1331         link_name = "poll$UNIX2003"
1332     )]
poll(fds: *mut pollfd, nfds: nfds_t, timeout: ::c_int) -> ::c_int1333     pub fn poll(fds: *mut pollfd, nfds: nfds_t, timeout: ::c_int) -> ::c_int;
1334     #[cfg_attr(
1335         all(target_os = "macos", target_arch = "x86_64"),
1336         link_name = "select$1050"
1337     )]
1338     #[cfg_attr(
1339         all(target_os = "macos", target_arch = "x86"),
1340         link_name = "select$UNIX2003"
1341     )]
1342     #[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_int1343     pub fn select(
1344         nfds: ::c_int,
1345         readfs: *mut fd_set,
1346         writefds: *mut fd_set,
1347         errorfds: *mut fd_set,
1348         timeout: *mut timeval,
1349     ) -> ::c_int;
1350     #[cfg_attr(target_os = "netbsd", link_name = "__setlocale50")]
setlocale( category: ::c_int, locale: *const ::c_char, ) -> *mut ::c_char1351     pub fn setlocale(
1352         category: ::c_int,
1353         locale: *const ::c_char,
1354     ) -> *mut ::c_char;
localeconv() -> *mut lconv1355     pub fn localeconv() -> *mut lconv;
1356 
1357     #[cfg_attr(
1358         all(target_os = "macos", target_arch = "x86"),
1359         link_name = "sem_wait$UNIX2003"
1360     )]
sem_wait(sem: *mut sem_t) -> ::c_int1361     pub fn sem_wait(sem: *mut sem_t) -> ::c_int;
sem_trywait(sem: *mut sem_t) -> ::c_int1362     pub fn sem_trywait(sem: *mut sem_t) -> ::c_int;
sem_post(sem: *mut sem_t) -> ::c_int1363     pub fn sem_post(sem: *mut sem_t) -> ::c_int;
statvfs(path: *const c_char, buf: *mut statvfs) -> ::c_int1364     pub fn statvfs(path: *const c_char, buf: *mut statvfs) -> ::c_int;
fstatvfs(fd: ::c_int, buf: *mut statvfs) -> ::c_int1365     pub fn fstatvfs(fd: ::c_int, buf: *mut statvfs) -> ::c_int;
1366 
readlink( path: *const c_char, buf: *mut c_char, bufsz: ::size_t, ) -> ::ssize_t1367     pub fn readlink(
1368         path: *const c_char,
1369         buf: *mut c_char,
1370         bufsz: ::size_t,
1371     ) -> ::ssize_t;
1372 
1373     #[cfg_attr(target_os = "netbsd", link_name = "__sigemptyset14")]
sigemptyset(set: *mut sigset_t) -> ::c_int1374     pub fn sigemptyset(set: *mut sigset_t) -> ::c_int;
1375     #[cfg_attr(target_os = "netbsd", link_name = "__sigaddset14")]
sigaddset(set: *mut sigset_t, signum: ::c_int) -> ::c_int1376     pub fn sigaddset(set: *mut sigset_t, signum: ::c_int) -> ::c_int;
1377     #[cfg_attr(target_os = "netbsd", link_name = "__sigfillset14")]
sigfillset(set: *mut sigset_t) -> ::c_int1378     pub fn sigfillset(set: *mut sigset_t) -> ::c_int;
1379     #[cfg_attr(target_os = "netbsd", link_name = "__sigdelset14")]
sigdelset(set: *mut sigset_t, signum: ::c_int) -> ::c_int1380     pub fn sigdelset(set: *mut sigset_t, signum: ::c_int) -> ::c_int;
1381     #[cfg_attr(target_os = "netbsd", link_name = "__sigismember14")]
sigismember(set: *const sigset_t, signum: ::c_int) -> ::c_int1382     pub fn sigismember(set: *const sigset_t, signum: ::c_int) -> ::c_int;
1383 
1384     #[cfg_attr(target_os = "netbsd", link_name = "__sigprocmask14")]
sigprocmask( how: ::c_int, set: *const sigset_t, oldset: *mut sigset_t, ) -> ::c_int1385     pub fn sigprocmask(
1386         how: ::c_int,
1387         set: *const sigset_t,
1388         oldset: *mut sigset_t,
1389     ) -> ::c_int;
1390     #[cfg_attr(target_os = "netbsd", link_name = "__sigpending14")]
sigpending(set: *mut sigset_t) -> ::c_int1391     pub fn sigpending(set: *mut sigset_t) -> ::c_int;
1392 
1393     #[cfg_attr(target_os = "netbsd", link_name = "__timegm50")]
timegm(tm: *mut ::tm) -> time_t1394     pub fn timegm(tm: *mut ::tm) -> time_t;
1395 
sysconf(name: ::c_int) -> ::c_long1396     pub fn sysconf(name: ::c_int) -> ::c_long;
1397 
mkfifo(path: *const c_char, mode: mode_t) -> ::c_int1398     pub fn mkfifo(path: *const c_char, mode: mode_t) -> ::c_int;
1399 
1400     #[cfg_attr(
1401         all(target_os = "macos", target_arch = "x86_64"),
1402         link_name = "pselect$1050"
1403     )]
1404     #[cfg_attr(
1405         all(target_os = "macos", target_arch = "x86"),
1406         link_name = "pselect$UNIX2003"
1407     )]
1408     #[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_int1409     pub fn pselect(
1410         nfds: ::c_int,
1411         readfs: *mut fd_set,
1412         writefds: *mut fd_set,
1413         errorfds: *mut fd_set,
1414         timeout: *const timespec,
1415         sigmask: *const sigset_t,
1416     ) -> ::c_int;
fseeko( stream: *mut ::FILE, offset: ::off_t, whence: ::c_int, ) -> ::c_int1417     pub fn fseeko(
1418         stream: *mut ::FILE,
1419         offset: ::off_t,
1420         whence: ::c_int,
1421     ) -> ::c_int;
ftello(stream: *mut ::FILE) -> ::off_t1422     pub fn ftello(stream: *mut ::FILE) -> ::off_t;
1423     #[cfg_attr(
1424         all(target_os = "macos", target_arch = "x86"),
1425         link_name = "tcdrain$UNIX2003"
1426     )]
tcdrain(fd: ::c_int) -> ::c_int1427     pub fn tcdrain(fd: ::c_int) -> ::c_int;
cfgetispeed(termios: *const ::termios) -> ::speed_t1428     pub fn cfgetispeed(termios: *const ::termios) -> ::speed_t;
cfgetospeed(termios: *const ::termios) -> ::speed_t1429     pub fn cfgetospeed(termios: *const ::termios) -> ::speed_t;
cfsetispeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int1430     pub fn cfsetispeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int;
cfsetospeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int1431     pub fn cfsetospeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int;
tcgetattr(fd: ::c_int, termios: *mut ::termios) -> ::c_int1432     pub fn tcgetattr(fd: ::c_int, termios: *mut ::termios) -> ::c_int;
tcsetattr( fd: ::c_int, optional_actions: ::c_int, termios: *const ::termios, ) -> ::c_int1433     pub fn tcsetattr(
1434         fd: ::c_int,
1435         optional_actions: ::c_int,
1436         termios: *const ::termios,
1437     ) -> ::c_int;
tcflow(fd: ::c_int, action: ::c_int) -> ::c_int1438     pub fn tcflow(fd: ::c_int, action: ::c_int) -> ::c_int;
tcflush(fd: ::c_int, action: ::c_int) -> ::c_int1439     pub fn tcflush(fd: ::c_int, action: ::c_int) -> ::c_int;
tcgetsid(fd: ::c_int) -> ::pid_t1440     pub fn tcgetsid(fd: ::c_int) -> ::pid_t;
tcsendbreak(fd: ::c_int, duration: ::c_int) -> ::c_int1441     pub fn tcsendbreak(fd: ::c_int, duration: ::c_int) -> ::c_int;
mkstemp(template: *mut ::c_char) -> ::c_int1442     pub fn mkstemp(template: *mut ::c_char) -> ::c_int;
mkdtemp(template: *mut ::c_char) -> *mut ::c_char1443     pub fn mkdtemp(template: *mut ::c_char) -> *mut ::c_char;
1444 
tmpnam(ptr: *mut ::c_char) -> *mut ::c_char1445     pub fn tmpnam(ptr: *mut ::c_char) -> *mut ::c_char;
1446 
openlog(ident: *const ::c_char, logopt: ::c_int, facility: ::c_int)1447     pub fn openlog(ident: *const ::c_char, logopt: ::c_int, facility: ::c_int);
closelog()1448     pub fn closelog();
setlogmask(maskpri: ::c_int) -> ::c_int1449     pub fn setlogmask(maskpri: ::c_int) -> ::c_int;
1450     #[cfg_attr(target_os = "macos", link_name = "syslog$DARWIN_EXTSN")]
syslog(priority: ::c_int, message: *const ::c_char, ...)1451     pub fn syslog(priority: ::c_int, message: *const ::c_char, ...);
1452     #[cfg_attr(
1453         all(target_os = "macos", target_arch = "x86"),
1454         link_name = "nice$UNIX2003"
1455     )]
nice(incr: ::c_int) -> ::c_int1456     pub fn nice(incr: ::c_int) -> ::c_int;
1457 
grantpt(fd: ::c_int) -> ::c_int1458     pub fn grantpt(fd: ::c_int) -> ::c_int;
posix_openpt(flags: ::c_int) -> ::c_int1459     pub fn posix_openpt(flags: ::c_int) -> ::c_int;
ptsname(fd: ::c_int) -> *mut ::c_char1460     pub fn ptsname(fd: ::c_int) -> *mut ::c_char;
unlockpt(fd: ::c_int) -> ::c_int1461     pub fn unlockpt(fd: ::c_int) -> ::c_int;
1462 
strcasestr(cs: *const c_char, ct: *const c_char) -> *mut c_char1463     pub fn strcasestr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
getline( lineptr: *mut *mut c_char, n: *mut size_t, stream: *mut FILE, ) -> ssize_t1464     pub fn getline(
1465         lineptr: *mut *mut c_char,
1466         n: *mut size_t,
1467         stream: *mut FILE,
1468     ) -> ssize_t;
1469 
lockf( fd: ::c_int, cmd: ::c_int, len: ::off_t, ) -> ::c_int1470     pub fn lockf(
1471         fd: ::c_int,
1472         cmd: ::c_int,
1473         len: ::off_t,
1474     ) -> ::c_int;
1475 }
1476 
1477 cfg_if! {
1478     if #[cfg(not(target_os = "redox"))] {
1479         extern {
1480             pub fn getsid(pid: pid_t) -> pid_t;
1481             pub fn truncate(path: *const c_char, length: off_t) -> ::c_int;
1482             #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
1483                        link_name = "pause$UNIX2003")]
1484             pub fn pause() -> ::c_int;
1485 
1486             pub fn readlinkat(dirfd: ::c_int,
1487                               pathname: *const ::c_char,
1488                               buf: *mut ::c_char,
1489                               bufsiz: ::size_t) -> ::ssize_t;
1490             pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
1491                            mode: ::mode_t) -> ::c_int;
1492             pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
1493                           flags: ::c_int, ...) -> ::c_int;
1494 
1495             #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
1496                        link_name = "fdopendir$INODE64")]
1497             #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
1498                        link_name = "fdopendir$INODE64$UNIX2003")]
1499             pub fn fdopendir(fd: ::c_int) -> *mut ::DIR;
1500 
1501             #[cfg_attr(all(target_os = "macos", not(target_arch = "aarch64")),
1502                        link_name = "readdir_r$INODE64")]
1503             #[cfg_attr(target_os = "netbsd", link_name = "__readdir_r30")]
1504             #[cfg_attr(
1505                 all(target_os = "freebsd", any(freebsd11, freebsd10)),
1506                 link_name = "readdir_r@FBSD_1.0"
1507             )]
1508             /// The 64-bit libc on Solaris and illumos only has readdir_r.  If a
1509             /// 32-bit Solaris or illumos target is ever created, it should use
1510             /// __posix_readdir_r.  See libc(3LIB) on Solaris or illumos:
1511             /// https://illumos.org/man/3lib/libc
1512             /// https://docs.oracle.com/cd/E36784_01/html/E36873/libc-3lib.html
1513             /// https://www.unix.com/man-page/opensolaris/3LIB/libc/
1514             pub fn readdir_r(dirp: *mut ::DIR, entry: *mut ::dirent,
1515                              result: *mut *mut ::dirent) -> ::c_int;
1516         }
1517     }
1518 }
1519 
1520 cfg_if! {
1521    if #[cfg(not(any(target_os = "solaris", target_os = "illumos")))] {
1522         extern {
1523             pub fn cfmakeraw(termios: *mut ::termios);
1524             pub fn cfsetspeed(termios: *mut ::termios,
1525                               speed: ::speed_t) -> ::c_int;
1526         }
1527    }
1528 }
1529 
1530 cfg_if! {
1531     if #[cfg(target_env = "uclibc")] {
1532         mod uclibc;
1533         pub use self::uclibc::*;
1534     } else if #[cfg(target_env = "newlib")] {
1535         mod newlib;
1536         pub use self::newlib::*;
1537     } else if #[cfg(any(target_os = "linux",
1538                         target_os = "android",
1539                         target_os = "emscripten"))] {
1540         mod linux_like;
1541         pub use self::linux_like::*;
1542     } else if #[cfg(any(target_os = "macos",
1543                         target_os = "ios",
1544                         target_os = "freebsd",
1545                         target_os = "dragonfly",
1546                         target_os = "openbsd",
1547                         target_os = "netbsd"))] {
1548         mod bsd;
1549         pub use self::bsd::*;
1550     } else if #[cfg(any(target_os = "solaris",
1551                         target_os = "illumos"))] {
1552         mod solarish;
1553         pub use self::solarish::*;
1554     } else if #[cfg(target_os = "haiku")] {
1555         mod haiku;
1556         pub use self::haiku::*;
1557     } else if #[cfg(target_os = "hermit")] {
1558         mod hermit;
1559         pub use self::hermit::*;
1560     } else if #[cfg(target_os = "redox")] {
1561         mod redox;
1562         pub use self::redox::*;
1563     } else {
1564         // Unknown target_os
1565     }
1566 }
1567 
1568 cfg_if! {
1569     if #[cfg(libc_core_cvoid)] {
1570         pub use ::ffi::c_void;
1571     } else {
1572         // Use repr(u8) as LLVM expects `void*` to be the same as `i8*` to help
1573         // enable more optimization opportunities around it recognizing things
1574         // like malloc/free.
1575         #[repr(u8)]
1576         #[allow(missing_copy_implementations)]
1577         #[allow(missing_debug_implementations)]
1578         pub enum c_void {
1579             // Two dummy variants so the #[repr] attribute can be used.
1580             #[doc(hidden)]
1581             __variant1,
1582             #[doc(hidden)]
1583             __variant2,
1584         }
1585     }
1586 }
1587 
1588 cfg_if! {
1589     if #[cfg(libc_align)] {
1590         mod align;
1591         pub use self::align::*;
1592     } else {
1593         mod no_align;
1594         pub use self::no_align::*;
1595     }
1596 }
1597