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 = "haiku", target_os = "illumos",
231                      target_os = "solaris")))] {
232         pub const IF_NAMESIZE: ::size_t = 16;
233         pub const IFNAMSIZ: ::size_t = IF_NAMESIZE;
234     }
235 }
236 
237 pub const LOG_EMERG: ::c_int = 0;
238 pub const LOG_ALERT: ::c_int = 1;
239 pub const LOG_CRIT: ::c_int = 2;
240 pub const LOG_ERR: ::c_int = 3;
241 pub const LOG_WARNING: ::c_int = 4;
242 pub const LOG_NOTICE: ::c_int = 5;
243 pub const LOG_INFO: ::c_int = 6;
244 pub const LOG_DEBUG: ::c_int = 7;
245 
246 pub const LOG_KERN: ::c_int = 0;
247 pub const LOG_USER: ::c_int = 1 << 3;
248 pub const LOG_MAIL: ::c_int = 2 << 3;
249 pub const LOG_DAEMON: ::c_int = 3 << 3;
250 pub const LOG_AUTH: ::c_int = 4 << 3;
251 pub const LOG_SYSLOG: ::c_int = 5 << 3;
252 pub const LOG_LPR: ::c_int = 6 << 3;
253 pub const LOG_NEWS: ::c_int = 7 << 3;
254 pub const LOG_UUCP: ::c_int = 8 << 3;
255 pub const LOG_LOCAL0: ::c_int = 16 << 3;
256 pub const LOG_LOCAL1: ::c_int = 17 << 3;
257 pub const LOG_LOCAL2: ::c_int = 18 << 3;
258 pub const LOG_LOCAL3: ::c_int = 19 << 3;
259 pub const LOG_LOCAL4: ::c_int = 20 << 3;
260 pub const LOG_LOCAL5: ::c_int = 21 << 3;
261 pub const LOG_LOCAL6: ::c_int = 22 << 3;
262 pub const LOG_LOCAL7: ::c_int = 23 << 3;
263 
264 cfg_if! {
265     if #[cfg(not(target_os = "haiku"))] {
266         pub const LOG_PID: ::c_int = 0x01;
267         pub const LOG_CONS: ::c_int = 0x02;
268         pub const LOG_ODELAY: ::c_int = 0x04;
269         pub const LOG_NDELAY: ::c_int = 0x08;
270         pub const LOG_NOWAIT: ::c_int = 0x10;
271     }
272 }
273 pub const LOG_PRIMASK: ::c_int = 7;
274 pub const LOG_FACMASK: ::c_int = 0x3f8;
275 
276 pub const PRIO_MIN: ::c_int = -20;
277 pub const PRIO_MAX: ::c_int = 20;
278 
279 pub const IPPROTO_ICMP: ::c_int = 1;
280 pub const IPPROTO_ICMPV6: ::c_int = 58;
281 pub const IPPROTO_TCP: ::c_int = 6;
282 pub const IPPROTO_UDP: ::c_int = 17;
283 pub const IPPROTO_IP: ::c_int = 0;
284 pub const IPPROTO_IPV6: ::c_int = 41;
285 
286 pub const INADDR_LOOPBACK: in_addr_t = 2130706433;
287 pub const INADDR_ANY: in_addr_t = 0;
288 pub const INADDR_BROADCAST: in_addr_t = 4294967295;
289 pub const INADDR_NONE: in_addr_t = 4294967295;
290 
291 pub const ARPOP_REQUEST: u16 = 1;
292 pub const ARPOP_REPLY: u16 = 2;
293 
294 pub const ATF_COM: ::c_int = 0x02;
295 pub const ATF_PERM: ::c_int = 0x04;
296 pub const ATF_PUBL: ::c_int = 0x08;
297 pub const ATF_USETRAILERS: ::c_int = 0x10;
298 
299 cfg_if! {
300     if #[cfg(any(target_os = "l4re", target_os = "espidf"))] {
301         // required libraries for L4Re and the ESP-IDF framework are linked externally, ATM
302     } else if #[cfg(feature = "std")] {
303         // cargo build, don't pull in anything extra as the libstd dep
304         // already pulls in all libs.
305     } else if #[cfg(all(target_os = "linux",
306                         any(target_env = "gnu", target_env = "uclibc"),
307                         feature = "rustc-dep-of-std"))] {
308         #[link(name = "util", kind = "static", modifiers = "-bundle",
309             cfg(target_feature = "crt-static"))]
310         #[link(name = "rt", kind = "static", modifiers = "-bundle",
311             cfg(target_feature = "crt-static"))]
312         #[link(name = "pthread", kind = "static", modifiers = "-bundle",
313             cfg(target_feature = "crt-static"))]
314         #[link(name = "m", kind = "static", modifiers = "-bundle",
315             cfg(target_feature = "crt-static"))]
316         #[link(name = "dl", kind = "static", modifiers = "-bundle",
317             cfg(target_feature = "crt-static"))]
318         #[link(name = "c", kind = "static", modifiers = "-bundle",
319             cfg(target_feature = "crt-static"))]
320         #[link(name = "gcc_eh", kind = "static", modifiers = "-bundle",
321             cfg(target_feature = "crt-static"))]
322         #[link(name = "gcc", kind = "static", modifiers = "-bundle",
323             cfg(target_feature = "crt-static"))]
324         #[link(name = "util", cfg(not(target_feature = "crt-static")))]
325         #[link(name = "rt", cfg(not(target_feature = "crt-static")))]
326         #[link(name = "pthread", cfg(not(target_feature = "crt-static")))]
327         #[link(name = "m", cfg(not(target_feature = "crt-static")))]
328         #[link(name = "dl", cfg(not(target_feature = "crt-static")))]
329         #[link(name = "c", cfg(not(target_feature = "crt-static")))]
330         extern {}
331     } else if #[cfg(target_env = "musl")] {
332         #[cfg_attr(feature = "rustc-dep-of-std",
333                    link(name = "c", kind = "static", modifiers = "-bundle",
334                         cfg(target_feature = "crt-static")))]
335         #[cfg_attr(feature = "rustc-dep-of-std",
336                    link(name = "c", cfg(not(target_feature = "crt-static"))))]
337         extern {}
338     } else if #[cfg(target_os = "emscripten")] {
339         #[link(name = "c")]
340         extern {}
341     } else if #[cfg(all(target_os = "netbsd",
342                         feature = "rustc-dep-of-std",
343                         target_vendor = "rumprun"))] {
344         // Since we don't use -nodefaultlibs on Rumprun, libc is always pulled
345         // in automatically by the linker. We avoid passing it explicitly, as it
346         // causes some versions of binutils to crash with an assertion failure.
347         #[link(name = "m")]
348         extern {}
349     } else if #[cfg(any(target_os = "macos",
350                         target_os = "ios",
351                         target_os = "android",
352                         target_os = "openbsd"))] {
353         #[link(name = "c")]
354         #[link(name = "m")]
355         extern {}
356     } else if #[cfg(target_os = "haiku")] {
357         #[link(name = "root")]
358         #[link(name = "network")]
359         extern {}
360     } else if #[cfg(target_env = "newlib")] {
361         #[link(name = "c")]
362         #[link(name = "m")]
363         extern {}
364     } else if #[cfg(target_os = "hermit")] {
365         // no_default_libraries is set to false for HermitCore, so only a link
366         // to "pthread" needs to be added.
367         #[link(name = "pthread")]
368         extern {}
369     } else if #[cfg(target_env = "illumos")] {
370         #[link(name = "c")]
371         #[link(name = "m")]
372         extern {}
373     } else if #[cfg(target_os = "redox")] {
374         #[cfg_attr(feature = "rustc-dep-of-std",
375                    link(name = "c", kind = "static", modifiers = "-bundle",
376                         cfg(target_feature = "crt-static")))]
377         #[cfg_attr(feature = "rustc-dep-of-std",
378                    link(name = "c", cfg(not(target_feature = "crt-static"))))]
379         extern {}
380     } else {
381         #[link(name = "c")]
382         #[link(name = "m")]
383         #[link(name = "rt")]
384         #[link(name = "pthread")]
385         extern {}
386     }
387 }
388 
389 #[cfg_attr(feature = "extra_traits", derive(Debug))]
390 pub enum FILE {}
391 impl ::Copy for FILE {}
392 impl ::Clone for FILE {
clone(&self) -> FILE393     fn clone(&self) -> FILE {
394         *self
395     }
396 }
397 #[cfg_attr(feature = "extra_traits", derive(Debug))]
398 pub enum fpos_t {} // FIXME: fill this out with a struct
399 impl ::Copy for fpos_t {}
400 impl ::Clone for fpos_t {
clone(&self) -> fpos_t401     fn clone(&self) -> fpos_t {
402         *self
403     }
404 }
405 
406 extern "C" {
isalnum(c: c_int) -> c_int407     pub fn isalnum(c: c_int) -> c_int;
isalpha(c: c_int) -> c_int408     pub fn isalpha(c: c_int) -> c_int;
iscntrl(c: c_int) -> c_int409     pub fn iscntrl(c: c_int) -> c_int;
isdigit(c: c_int) -> c_int410     pub fn isdigit(c: c_int) -> c_int;
isgraph(c: c_int) -> c_int411     pub fn isgraph(c: c_int) -> c_int;
islower(c: c_int) -> c_int412     pub fn islower(c: c_int) -> c_int;
isprint(c: c_int) -> c_int413     pub fn isprint(c: c_int) -> c_int;
ispunct(c: c_int) -> c_int414     pub fn ispunct(c: c_int) -> c_int;
isspace(c: c_int) -> c_int415     pub fn isspace(c: c_int) -> c_int;
isupper(c: c_int) -> c_int416     pub fn isupper(c: c_int) -> c_int;
isxdigit(c: c_int) -> c_int417     pub fn isxdigit(c: c_int) -> c_int;
isblank(c: c_int) -> c_int418     pub fn isblank(c: c_int) -> c_int;
tolower(c: c_int) -> c_int419     pub fn tolower(c: c_int) -> c_int;
toupper(c: c_int) -> c_int420     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>, )421     pub fn qsort(
422         base: *mut c_void,
423         num: size_t,
424         size: size_t,
425         compar: ::Option<unsafe extern "C" fn(*const c_void, *const c_void) -> c_int>,
426     );
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_void427     pub fn bsearch(
428         key: *const c_void,
429         base: *const c_void,
430         num: size_t,
431         size: size_t,
432         compar: ::Option<unsafe extern "C" fn(*const c_void, *const c_void) -> c_int>,
433     ) -> *mut c_void;
434     #[cfg_attr(
435         all(target_os = "macos", target_arch = "x86"),
436         link_name = "fopen$UNIX2003"
437     )]
fopen(filename: *const c_char, mode: *const c_char) -> *mut FILE438     pub fn fopen(filename: *const c_char, mode: *const c_char) -> *mut FILE;
439     #[cfg_attr(
440         all(target_os = "macos", target_arch = "x86"),
441         link_name = "freopen$UNIX2003"
442     )]
freopen(filename: *const c_char, mode: *const c_char, file: *mut FILE) -> *mut FILE443     pub fn freopen(filename: *const c_char, mode: *const c_char, file: *mut FILE) -> *mut FILE;
fmemopen(buf: *mut c_void, size: size_t, mode: *const c_char) -> *mut FILE444     pub fn fmemopen(buf: *mut c_void, size: size_t, mode: *const c_char) -> *mut FILE;
open_memstream(ptr: *mut *mut c_char, sizeloc: *mut size_t) -> *mut FILE445     pub fn open_memstream(ptr: *mut *mut c_char, sizeloc: *mut size_t) -> *mut FILE;
446 
fflush(file: *mut FILE) -> c_int447     pub fn fflush(file: *mut FILE) -> c_int;
fclose(file: *mut FILE) -> c_int448     pub fn fclose(file: *mut FILE) -> c_int;
remove(filename: *const c_char) -> c_int449     pub fn remove(filename: *const c_char) -> c_int;
rename(oldname: *const c_char, newname: *const c_char) -> c_int450     pub fn rename(oldname: *const c_char, newname: *const c_char) -> c_int;
tmpfile() -> *mut FILE451     pub fn tmpfile() -> *mut FILE;
setvbuf(stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t) -> c_int452     pub fn setvbuf(stream: *mut FILE, buffer: *mut c_char, mode: c_int, size: size_t) -> c_int;
setbuf(stream: *mut FILE, buf: *mut c_char)453     pub fn setbuf(stream: *mut FILE, buf: *mut c_char);
getchar() -> c_int454     pub fn getchar() -> c_int;
putchar(c: c_int) -> c_int455     pub fn putchar(c: c_int) -> c_int;
fgetc(stream: *mut FILE) -> c_int456     pub fn fgetc(stream: *mut FILE) -> c_int;
fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char457     pub fn fgets(buf: *mut c_char, n: c_int, stream: *mut FILE) -> *mut c_char;
fputc(c: c_int, stream: *mut FILE) -> c_int458     pub fn fputc(c: c_int, stream: *mut FILE) -> c_int;
459     #[cfg_attr(
460         all(target_os = "macos", target_arch = "x86"),
461         link_name = "fputs$UNIX2003"
462     )]
fputs(s: *const c_char, stream: *mut FILE) -> c_int463     pub fn fputs(s: *const c_char, stream: *mut FILE) -> c_int;
puts(s: *const c_char) -> c_int464     pub fn puts(s: *const c_char) -> c_int;
ungetc(c: c_int, stream: *mut FILE) -> c_int465     pub fn ungetc(c: c_int, stream: *mut FILE) -> c_int;
fread(ptr: *mut c_void, size: size_t, nobj: size_t, stream: *mut FILE) -> size_t466     pub fn fread(ptr: *mut c_void, size: size_t, nobj: size_t, stream: *mut FILE) -> size_t;
467     #[cfg_attr(
468         all(target_os = "macos", target_arch = "x86"),
469         link_name = "fwrite$UNIX2003"
470     )]
fwrite(ptr: *const c_void, size: size_t, nobj: size_t, stream: *mut FILE) -> size_t471     pub fn fwrite(ptr: *const c_void, size: size_t, nobj: size_t, stream: *mut FILE) -> size_t;
fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int472     pub fn fseek(stream: *mut FILE, offset: c_long, whence: c_int) -> c_int;
ftell(stream: *mut FILE) -> c_long473     pub fn ftell(stream: *mut FILE) -> c_long;
rewind(stream: *mut FILE)474     pub fn rewind(stream: *mut FILE);
475     #[cfg_attr(target_os = "netbsd", link_name = "__fgetpos50")]
fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int476     pub fn fgetpos(stream: *mut FILE, ptr: *mut fpos_t) -> c_int;
477     #[cfg_attr(target_os = "netbsd", link_name = "__fsetpos50")]
fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int478     pub fn fsetpos(stream: *mut FILE, ptr: *const fpos_t) -> c_int;
feof(stream: *mut FILE) -> c_int479     pub fn feof(stream: *mut FILE) -> c_int;
ferror(stream: *mut FILE) -> c_int480     pub fn ferror(stream: *mut FILE) -> c_int;
clearerr(stream: *mut FILE)481     pub fn clearerr(stream: *mut FILE);
perror(s: *const c_char)482     pub fn perror(s: *const c_char);
atoi(s: *const c_char) -> c_int483     pub fn atoi(s: *const c_char) -> c_int;
484     #[cfg_attr(
485         all(target_os = "macos", target_arch = "x86"),
486         link_name = "strtod$UNIX2003"
487     )]
strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double488     pub fn strtod(s: *const c_char, endp: *mut *mut c_char) -> c_double;
strtof(s: *const c_char, endp: *mut *mut c_char) -> c_float489     pub fn strtof(s: *const c_char, endp: *mut *mut c_char) -> c_float;
strtol(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_long490     pub fn strtol(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_long;
strtoul(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulong491     pub fn strtoul(s: *const c_char, endp: *mut *mut c_char, base: c_int) -> c_ulong;
calloc(nobj: size_t, size: size_t) -> *mut c_void492     pub fn calloc(nobj: size_t, size: size_t) -> *mut c_void;
malloc(size: size_t) -> *mut c_void493     pub fn malloc(size: size_t) -> *mut c_void;
realloc(p: *mut c_void, size: size_t) -> *mut c_void494     pub fn realloc(p: *mut c_void, size: size_t) -> *mut c_void;
free(p: *mut c_void)495     pub fn free(p: *mut c_void);
abort() -> !496     pub fn abort() -> !;
exit(status: c_int) -> !497     pub fn exit(status: c_int) -> !;
_exit(status: c_int) -> !498     pub fn _exit(status: c_int) -> !;
atexit(cb: extern "C" fn()) -> c_int499     pub fn atexit(cb: extern "C" fn()) -> c_int;
500     #[cfg_attr(
501         all(target_os = "macos", target_arch = "x86"),
502         link_name = "system$UNIX2003"
503     )]
system(s: *const c_char) -> c_int504     pub fn system(s: *const c_char) -> c_int;
getenv(s: *const c_char) -> *mut c_char505     pub fn getenv(s: *const c_char) -> *mut c_char;
506 
strcpy(dst: *mut c_char, src: *const c_char) -> *mut c_char507     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_char508     pub fn strncpy(dst: *mut c_char, src: *const c_char, n: size_t) -> *mut c_char;
strcat(s: *mut c_char, ct: *const c_char) -> *mut c_char509     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_char510     pub fn strncat(s: *mut c_char, ct: *const c_char, n: size_t) -> *mut c_char;
strcmp(cs: *const c_char, ct: *const c_char) -> c_int511     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_int512     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_int513     pub fn strcoll(cs: *const c_char, ct: *const c_char) -> c_int;
strchr(cs: *const c_char, c: c_int) -> *mut c_char514     pub fn strchr(cs: *const c_char, c: c_int) -> *mut c_char;
strrchr(cs: *const c_char, c: c_int) -> *mut c_char515     pub fn strrchr(cs: *const c_char, c: c_int) -> *mut c_char;
strspn(cs: *const c_char, ct: *const c_char) -> size_t516     pub fn strspn(cs: *const c_char, ct: *const c_char) -> size_t;
strcspn(cs: *const c_char, ct: *const c_char) -> size_t517     pub fn strcspn(cs: *const c_char, ct: *const c_char) -> size_t;
strdup(cs: *const c_char) -> *mut c_char518     pub fn strdup(cs: *const c_char) -> *mut c_char;
strndup(cs: *const c_char, n: size_t) -> *mut c_char519     pub fn strndup(cs: *const c_char, n: size_t) -> *mut c_char;
strpbrk(cs: *const c_char, ct: *const c_char) -> *mut c_char520     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_char521     pub fn strstr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
strcasecmp(s1: *const c_char, s2: *const c_char) -> c_int522     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_int523     pub fn strncasecmp(s1: *const c_char, s2: *const c_char, n: size_t) -> c_int;
strlen(cs: *const c_char) -> size_t524     pub fn strlen(cs: *const c_char) -> size_t;
strnlen(cs: *const c_char, maxlen: size_t) -> size_t525     pub fn strnlen(cs: *const c_char, maxlen: size_t) -> size_t;
526     #[cfg_attr(
527         all(target_os = "macos", target_arch = "x86"),
528         link_name = "strerror$UNIX2003"
529     )]
strerror(n: c_int) -> *mut c_char530     pub fn strerror(n: c_int) -> *mut c_char;
strtok(s: *mut c_char, t: *const c_char) -> *mut c_char531     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_t532     pub fn strxfrm(s: *mut c_char, ct: *const c_char, n: size_t) -> size_t;
strsignal(sig: c_int) -> *mut c_char533     pub fn strsignal(sig: c_int) -> *mut c_char;
wcslen(buf: *const wchar_t) -> size_t534     pub fn wcslen(buf: *const wchar_t) -> size_t;
wcstombs(dest: *mut c_char, src: *const wchar_t, n: size_t) -> ::size_t535     pub fn wcstombs(dest: *mut c_char, src: *const wchar_t, n: size_t) -> ::size_t;
536 
memchr(cx: *const c_void, c: c_int, n: size_t) -> *mut c_void537     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_t538     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_int539     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_void540     pub fn memcpy(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
memmove(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void541     pub fn memmove(dest: *mut c_void, src: *const c_void, n: size_t) -> *mut c_void;
memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void542     pub fn memset(dest: *mut c_void, c: c_int, n: size_t) -> *mut c_void;
543 }
544 
545 extern "C" {
546     #[cfg_attr(target_os = "netbsd", link_name = "__getpwnam50")]
getpwnam(name: *const ::c_char) -> *mut passwd547     pub fn getpwnam(name: *const ::c_char) -> *mut passwd;
548     #[cfg_attr(target_os = "netbsd", link_name = "__getpwuid50")]
getpwuid(uid: ::uid_t) -> *mut passwd549     pub fn getpwuid(uid: ::uid_t) -> *mut passwd;
550 
fprintf(stream: *mut ::FILE, format: *const ::c_char, ...) -> ::c_int551     pub fn fprintf(stream: *mut ::FILE, format: *const ::c_char, ...) -> ::c_int;
printf(format: *const ::c_char, ...) -> ::c_int552     pub fn printf(format: *const ::c_char, ...) -> ::c_int;
snprintf(s: *mut ::c_char, n: ::size_t, format: *const ::c_char, ...) -> ::c_int553     pub fn snprintf(s: *mut ::c_char, n: ::size_t, format: *const ::c_char, ...) -> ::c_int;
sprintf(s: *mut ::c_char, format: *const ::c_char, ...) -> ::c_int554     pub fn sprintf(s: *mut ::c_char, format: *const ::c_char, ...) -> ::c_int;
555     #[cfg_attr(
556         all(target_os = "linux", not(target_env = "uclibc")),
557         link_name = "__isoc99_fscanf"
558     )]
fscanf(stream: *mut ::FILE, format: *const ::c_char, ...) -> ::c_int559     pub fn fscanf(stream: *mut ::FILE, format: *const ::c_char, ...) -> ::c_int;
560     #[cfg_attr(
561         all(target_os = "linux", not(target_env = "uclibc")),
562         link_name = "__isoc99_scanf"
563     )]
scanf(format: *const ::c_char, ...) -> ::c_int564     pub fn scanf(format: *const ::c_char, ...) -> ::c_int;
565     #[cfg_attr(
566         all(target_os = "linux", not(target_env = "uclibc")),
567         link_name = "__isoc99_sscanf"
568     )]
sscanf(s: *const ::c_char, format: *const ::c_char, ...) -> ::c_int569     pub fn sscanf(s: *const ::c_char, format: *const ::c_char, ...) -> ::c_int;
getchar_unlocked() -> ::c_int570     pub fn getchar_unlocked() -> ::c_int;
putchar_unlocked(c: ::c_int) -> ::c_int571     pub fn putchar_unlocked(c: ::c_int) -> ::c_int;
572 
573     #[cfg(not(all(
574         libc_cfg_target_vendor,
575         target_arch = "powerpc",
576         target_vendor = "nintendo"
577     )))]
578     #[cfg_attr(target_os = "netbsd", link_name = "__socket30")]
579     #[cfg_attr(target_os = "illumos", link_name = "__xnet_socket")]
580     #[cfg_attr(target_os = "espidf", link_name = "lwip_socket")]
socket(domain: ::c_int, ty: ::c_int, protocol: ::c_int) -> ::c_int581     pub fn socket(domain: ::c_int, ty: ::c_int, protocol: ::c_int) -> ::c_int;
582     #[cfg(not(all(
583         libc_cfg_target_vendor,
584         target_arch = "powerpc",
585         target_vendor = "nintendo"
586     )))]
587     #[cfg_attr(
588         all(target_os = "macos", target_arch = "x86"),
589         link_name = "connect$UNIX2003"
590     )]
591     #[cfg_attr(target_os = "illumos", link_name = "__xnet_connect")]
592     #[cfg_attr(target_os = "espidf", link_name = "lwip_connect")]
connect(socket: ::c_int, address: *const sockaddr, len: socklen_t) -> ::c_int593     pub fn connect(socket: ::c_int, address: *const sockaddr, len: socklen_t) -> ::c_int;
594     #[cfg_attr(
595         all(target_os = "macos", target_arch = "x86"),
596         link_name = "listen$UNIX2003"
597     )]
598     #[cfg_attr(target_os = "espidf", link_name = "lwip_listen")]
listen(socket: ::c_int, backlog: ::c_int) -> ::c_int599     pub fn listen(socket: ::c_int, backlog: ::c_int) -> ::c_int;
600     #[cfg(not(all(
601         libc_cfg_target_vendor,
602         target_arch = "powerpc",
603         target_vendor = "nintendo"
604     )))]
605     #[cfg_attr(
606         all(target_os = "macos", target_arch = "x86"),
607         link_name = "accept$UNIX2003"
608     )]
609     #[cfg_attr(target_os = "espidf", link_name = "lwip_accept")]
accept(socket: ::c_int, address: *mut sockaddr, address_len: *mut socklen_t) -> ::c_int610     pub fn accept(socket: ::c_int, address: *mut sockaddr, address_len: *mut socklen_t) -> ::c_int;
611     #[cfg(not(all(
612         libc_cfg_target_vendor,
613         target_arch = "powerpc",
614         target_vendor = "nintendo"
615     )))]
616     #[cfg_attr(
617         all(target_os = "macos", target_arch = "x86"),
618         link_name = "getpeername$UNIX2003"
619     )]
620     #[cfg_attr(target_os = "espidf", link_name = "lwip_getpeername")]
getpeername( socket: ::c_int, address: *mut sockaddr, address_len: *mut socklen_t, ) -> ::c_int621     pub fn getpeername(
622         socket: ::c_int,
623         address: *mut sockaddr,
624         address_len: *mut socklen_t,
625     ) -> ::c_int;
626     #[cfg(not(all(
627         libc_cfg_target_vendor,
628         target_arch = "powerpc",
629         target_vendor = "nintendo"
630     )))]
631     #[cfg_attr(
632         all(target_os = "macos", target_arch = "x86"),
633         link_name = "getsockname$UNIX2003"
634     )]
635     #[cfg_attr(target_os = "espidf", link_name = "lwip_getsockname")]
getsockname( socket: ::c_int, address: *mut sockaddr, address_len: *mut socklen_t, ) -> ::c_int636     pub fn getsockname(
637         socket: ::c_int,
638         address: *mut sockaddr,
639         address_len: *mut socklen_t,
640     ) -> ::c_int;
641     #[cfg_attr(target_os = "espidf", link_name = "lwip_setsockopt")]
setsockopt( socket: ::c_int, level: ::c_int, name: ::c_int, value: *const ::c_void, option_len: socklen_t, ) -> ::c_int642     pub fn setsockopt(
643         socket: ::c_int,
644         level: ::c_int,
645         name: ::c_int,
646         value: *const ::c_void,
647         option_len: socklen_t,
648     ) -> ::c_int;
649     #[cfg_attr(
650         all(target_os = "macos", target_arch = "x86"),
651         link_name = "socketpair$UNIX2003"
652     )]
653     #[cfg_attr(target_os = "illumos", link_name = "__xnet_socketpair")]
socketpair( domain: ::c_int, type_: ::c_int, protocol: ::c_int, socket_vector: *mut ::c_int, ) -> ::c_int654     pub fn socketpair(
655         domain: ::c_int,
656         type_: ::c_int,
657         protocol: ::c_int,
658         socket_vector: *mut ::c_int,
659     ) -> ::c_int;
660     #[cfg(not(all(
661         libc_cfg_target_vendor,
662         target_arch = "powerpc",
663         target_vendor = "nintendo"
664     )))]
665     #[cfg_attr(
666         all(target_os = "macos", target_arch = "x86"),
667         link_name = "sendto$UNIX2003"
668     )]
669     #[cfg_attr(target_os = "illumos", link_name = "__xnet_sendto")]
670     #[cfg_attr(target_os = "espidf", link_name = "lwip_sendto")]
sendto( socket: ::c_int, buf: *const ::c_void, len: ::size_t, flags: ::c_int, addr: *const sockaddr, addrlen: socklen_t, ) -> ::ssize_t671     pub fn sendto(
672         socket: ::c_int,
673         buf: *const ::c_void,
674         len: ::size_t,
675         flags: ::c_int,
676         addr: *const sockaddr,
677         addrlen: socklen_t,
678     ) -> ::ssize_t;
679     #[cfg_attr(target_os = "espidf", link_name = "lwip_shutdown")]
shutdown(socket: ::c_int, how: ::c_int) -> ::c_int680     pub fn shutdown(socket: ::c_int, how: ::c_int) -> ::c_int;
681 
682     #[cfg_attr(
683         all(target_os = "macos", target_arch = "x86"),
684         link_name = "chmod$UNIX2003"
685     )]
chmod(path: *const c_char, mode: mode_t) -> ::c_int686     pub fn chmod(path: *const c_char, mode: mode_t) -> ::c_int;
687     #[cfg_attr(
688         all(target_os = "macos", target_arch = "x86"),
689         link_name = "fchmod$UNIX2003"
690     )]
fchmod(fd: ::c_int, mode: mode_t) -> ::c_int691     pub fn fchmod(fd: ::c_int, mode: mode_t) -> ::c_int;
692 
693     #[cfg_attr(
694         all(target_os = "macos", not(target_arch = "aarch64")),
695         link_name = "fstat$INODE64"
696     )]
697     #[cfg_attr(target_os = "netbsd", link_name = "__fstat50")]
698     #[cfg_attr(
699         all(target_os = "freebsd", any(freebsd11, freebsd10)),
700         link_name = "fstat@FBSD_1.0"
701     )]
702     #[cfg_attr(target_os = "dragonfly", allow(deprecated))]
fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int703     pub fn fstat(fildes: ::c_int, buf: *mut stat) -> ::c_int;
704 
mkdir(path: *const c_char, mode: mode_t) -> ::c_int705     pub fn mkdir(path: *const c_char, mode: mode_t) -> ::c_int;
706 
707     #[cfg_attr(
708         all(target_os = "macos", not(target_arch = "aarch64")),
709         link_name = "stat$INODE64"
710     )]
711     #[cfg_attr(target_os = "netbsd", link_name = "__stat50")]
712     #[cfg_attr(
713         all(target_os = "freebsd", any(freebsd11, freebsd10)),
714         link_name = "stat@FBSD_1.0"
715     )]
716     #[cfg_attr(target_os = "dragonfly", allow(deprecated))]
stat(path: *const c_char, buf: *mut stat) -> ::c_int717     pub fn stat(path: *const c_char, buf: *mut stat) -> ::c_int;
718 
pclose(stream: *mut ::FILE) -> ::c_int719     pub fn pclose(stream: *mut ::FILE) -> ::c_int;
720     #[cfg_attr(
721         all(target_os = "macos", target_arch = "x86"),
722         link_name = "fdopen$UNIX2003"
723     )]
fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE724     pub fn fdopen(fd: ::c_int, mode: *const c_char) -> *mut ::FILE;
fileno(stream: *mut ::FILE) -> ::c_int725     pub fn fileno(stream: *mut ::FILE) -> ::c_int;
726 
727     #[cfg_attr(
728         all(target_os = "macos", target_arch = "x86"),
729         link_name = "open$UNIX2003"
730     )]
open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int731     pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
732     #[cfg_attr(
733         all(target_os = "macos", target_arch = "x86"),
734         link_name = "creat$UNIX2003"
735     )]
creat(path: *const c_char, mode: mode_t) -> ::c_int736     pub fn creat(path: *const c_char, mode: mode_t) -> ::c_int;
737     #[cfg_attr(
738         all(target_os = "macos", target_arch = "x86"),
739         link_name = "fcntl$UNIX2003"
740     )]
fcntl(fd: ::c_int, cmd: ::c_int, ...) -> ::c_int741     pub fn fcntl(fd: ::c_int, cmd: ::c_int, ...) -> ::c_int;
742 
743     #[cfg_attr(
744         all(target_os = "macos", target_arch = "x86_64"),
745         link_name = "opendir$INODE64"
746     )]
747     #[cfg_attr(
748         all(target_os = "macos", target_arch = "x86"),
749         link_name = "opendir$INODE64$UNIX2003"
750     )]
751     #[cfg_attr(target_os = "netbsd", link_name = "__opendir30")]
opendir(dirname: *const c_char) -> *mut ::DIR752     pub fn opendir(dirname: *const c_char) -> *mut ::DIR;
753 
754     #[cfg_attr(
755         all(target_os = "macos", not(target_arch = "aarch64")),
756         link_name = "readdir$INODE64"
757     )]
758     #[cfg_attr(target_os = "netbsd", link_name = "__readdir30")]
759     #[cfg_attr(
760         all(target_os = "freebsd", any(freebsd11, freebsd10)),
761         link_name = "readdir@FBSD_1.0"
762     )]
readdir(dirp: *mut ::DIR) -> *mut ::dirent763     pub fn readdir(dirp: *mut ::DIR) -> *mut ::dirent;
764     #[cfg_attr(
765         all(target_os = "macos", target_arch = "x86"),
766         link_name = "closedir$UNIX2003"
767     )]
closedir(dirp: *mut ::DIR) -> ::c_int768     pub fn closedir(dirp: *mut ::DIR) -> ::c_int;
769     #[cfg_attr(
770         all(target_os = "macos", target_arch = "x86_64"),
771         link_name = "rewinddir$INODE64"
772     )]
773     #[cfg_attr(
774         all(target_os = "macos", target_arch = "x86"),
775         link_name = "rewinddir$INODE64$UNIX2003"
776     )]
rewinddir(dirp: *mut ::DIR)777     pub fn rewinddir(dirp: *mut ::DIR);
778 
fchmodat( dirfd: ::c_int, pathname: *const ::c_char, mode: ::mode_t, flags: ::c_int, ) -> ::c_int779     pub fn fchmodat(
780         dirfd: ::c_int,
781         pathname: *const ::c_char,
782         mode: ::mode_t,
783         flags: ::c_int,
784     ) -> ::c_int;
fchown(fd: ::c_int, owner: ::uid_t, group: ::gid_t) -> ::c_int785     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_int786     pub fn fchownat(
787         dirfd: ::c_int,
788         pathname: *const ::c_char,
789         owner: ::uid_t,
790         group: ::gid_t,
791         flags: ::c_int,
792     ) -> ::c_int;
793     #[cfg_attr(
794         all(target_os = "macos", not(target_arch = "aarch64")),
795         link_name = "fstatat$INODE64"
796     )]
797     #[cfg_attr(
798         all(target_os = "freebsd", any(freebsd11, freebsd10)),
799         link_name = "fstatat@FBSD_1.1"
800     )]
801     #[cfg_attr(target_os = "dragonfly", allow(deprecated))]
fstatat( dirfd: ::c_int, pathname: *const ::c_char, buf: *mut stat, flags: ::c_int, ) -> ::c_int802     pub fn fstatat(
803         dirfd: ::c_int,
804         pathname: *const ::c_char,
805         buf: *mut stat,
806         flags: ::c_int,
807     ) -> ::c_int;
linkat( olddirfd: ::c_int, oldpath: *const ::c_char, newdirfd: ::c_int, newpath: *const ::c_char, flags: ::c_int, ) -> ::c_int808     pub fn linkat(
809         olddirfd: ::c_int,
810         oldpath: *const ::c_char,
811         newdirfd: ::c_int,
812         newpath: *const ::c_char,
813         flags: ::c_int,
814     ) -> ::c_int;
renameat( olddirfd: ::c_int, oldpath: *const ::c_char, newdirfd: ::c_int, newpath: *const ::c_char, ) -> ::c_int815     pub fn renameat(
816         olddirfd: ::c_int,
817         oldpath: *const ::c_char,
818         newdirfd: ::c_int,
819         newpath: *const ::c_char,
820     ) -> ::c_int;
symlinkat( target: *const ::c_char, newdirfd: ::c_int, linkpath: *const ::c_char, ) -> ::c_int821     pub fn symlinkat(
822         target: *const ::c_char,
823         newdirfd: ::c_int,
824         linkpath: *const ::c_char,
825     ) -> ::c_int;
unlinkat(dirfd: ::c_int, pathname: *const ::c_char, flags: ::c_int) -> ::c_int826     pub fn unlinkat(dirfd: ::c_int, pathname: *const ::c_char, flags: ::c_int) -> ::c_int;
827 
access(path: *const c_char, amode: ::c_int) -> ::c_int828     pub fn access(path: *const c_char, amode: ::c_int) -> ::c_int;
alarm(seconds: ::c_uint) -> ::c_uint829     pub fn alarm(seconds: ::c_uint) -> ::c_uint;
chdir(dir: *const c_char) -> ::c_int830     pub fn chdir(dir: *const c_char) -> ::c_int;
fchdir(dirfd: ::c_int) -> ::c_int831     pub fn fchdir(dirfd: ::c_int) -> ::c_int;
chown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int832     pub fn chown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int;
833     #[cfg_attr(
834         all(target_os = "macos", target_arch = "x86"),
835         link_name = "lchown$UNIX2003"
836     )]
lchown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int837     pub fn lchown(path: *const c_char, uid: uid_t, gid: gid_t) -> ::c_int;
838     #[cfg_attr(
839         all(target_os = "macos", target_arch = "x86"),
840         link_name = "close$NOCANCEL$UNIX2003"
841     )]
842     #[cfg_attr(
843         all(target_os = "macos", target_arch = "x86_64"),
844         link_name = "close$NOCANCEL"
845     )]
close(fd: ::c_int) -> ::c_int846     pub fn close(fd: ::c_int) -> ::c_int;
dup(fd: ::c_int) -> ::c_int847     pub fn dup(fd: ::c_int) -> ::c_int;
dup2(src: ::c_int, dst: ::c_int) -> ::c_int848     pub fn dup2(src: ::c_int, dst: ::c_int) -> ::c_int;
execl(path: *const c_char, arg0: *const c_char, ...) -> ::c_int849     pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> ::c_int;
execle(path: *const ::c_char, arg0: *const ::c_char, ...) -> ::c_int850     pub fn execle(path: *const ::c_char, arg0: *const ::c_char, ...) -> ::c_int;
execlp(file: *const ::c_char, arg0: *const ::c_char, ...) -> ::c_int851     pub fn execlp(file: *const ::c_char, arg0: *const ::c_char, ...) -> ::c_int;
execv(prog: *const c_char, argv: *const *const c_char) -> ::c_int852     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_int853     pub fn execve(
854         prog: *const c_char,
855         argv: *const *const c_char,
856         envp: *const *const c_char,
857     ) -> ::c_int;
execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int858     pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;
fork() -> pid_t859     pub fn fork() -> pid_t;
fpathconf(filedes: ::c_int, name: ::c_int) -> c_long860     pub fn fpathconf(filedes: ::c_int, name: ::c_int) -> c_long;
getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char861     pub fn getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char;
getegid() -> gid_t862     pub fn getegid() -> gid_t;
geteuid() -> uid_t863     pub fn geteuid() -> uid_t;
getgid() -> gid_t864     pub fn getgid() -> gid_t;
getgroups(ngroups_max: ::c_int, groups: *mut gid_t) -> ::c_int865     pub fn getgroups(ngroups_max: ::c_int, groups: *mut gid_t) -> ::c_int;
866     #[cfg_attr(target_os = "illumos", link_name = "getloginx")]
getlogin() -> *mut c_char867     pub fn getlogin() -> *mut c_char;
868     #[cfg_attr(
869         all(target_os = "macos", target_arch = "x86"),
870         link_name = "getopt$UNIX2003"
871     )]
getopt(argc: ::c_int, argv: *const *mut c_char, optstr: *const c_char) -> ::c_int872     pub fn getopt(argc: ::c_int, argv: *const *mut c_char, optstr: *const c_char) -> ::c_int;
getpgid(pid: pid_t) -> pid_t873     pub fn getpgid(pid: pid_t) -> pid_t;
getpgrp() -> pid_t874     pub fn getpgrp() -> pid_t;
getpid() -> pid_t875     pub fn getpid() -> pid_t;
getppid() -> pid_t876     pub fn getppid() -> pid_t;
getuid() -> uid_t877     pub fn getuid() -> uid_t;
isatty(fd: ::c_int) -> ::c_int878     pub fn isatty(fd: ::c_int) -> ::c_int;
link(src: *const c_char, dst: *const c_char) -> ::c_int879     pub fn link(src: *const c_char, dst: *const c_char) -> ::c_int;
lseek(fd: ::c_int, offset: off_t, whence: ::c_int) -> off_t880     pub fn lseek(fd: ::c_int, offset: off_t, whence: ::c_int) -> off_t;
pathconf(path: *const c_char, name: ::c_int) -> c_long881     pub fn pathconf(path: *const c_char, name: ::c_int) -> c_long;
pipe(fds: *mut ::c_int) -> ::c_int882     pub fn pipe(fds: *mut ::c_int) -> ::c_int;
posix_memalign(memptr: *mut *mut ::c_void, align: ::size_t, size: ::size_t) -> ::c_int883     pub fn posix_memalign(memptr: *mut *mut ::c_void, align: ::size_t, size: ::size_t) -> ::c_int;
884     #[cfg_attr(
885         all(target_os = "macos", target_arch = "x86"),
886         link_name = "read$UNIX2003"
887     )]
read(fd: ::c_int, buf: *mut ::c_void, count: ::size_t) -> ::ssize_t888     pub fn read(fd: ::c_int, buf: *mut ::c_void, count: ::size_t) -> ::ssize_t;
rmdir(path: *const c_char) -> ::c_int889     pub fn rmdir(path: *const c_char) -> ::c_int;
seteuid(uid: uid_t) -> ::c_int890     pub fn seteuid(uid: uid_t) -> ::c_int;
setegid(gid: gid_t) -> ::c_int891     pub fn setegid(gid: gid_t) -> ::c_int;
setgid(gid: gid_t) -> ::c_int892     pub fn setgid(gid: gid_t) -> ::c_int;
setpgid(pid: pid_t, pgid: pid_t) -> ::c_int893     pub fn setpgid(pid: pid_t, pgid: pid_t) -> ::c_int;
setsid() -> pid_t894     pub fn setsid() -> pid_t;
setuid(uid: uid_t) -> ::c_int895     pub fn setuid(uid: uid_t) -> ::c_int;
896     #[cfg_attr(
897         all(target_os = "macos", target_arch = "x86"),
898         link_name = "sleep$UNIX2003"
899     )]
sleep(secs: ::c_uint) -> ::c_uint900     pub fn sleep(secs: ::c_uint) -> ::c_uint;
901     #[cfg_attr(
902         all(target_os = "macos", target_arch = "x86"),
903         link_name = "nanosleep$UNIX2003"
904     )]
905     #[cfg_attr(target_os = "netbsd", link_name = "__nanosleep50")]
nanosleep(rqtp: *const timespec, rmtp: *mut timespec) -> ::c_int906     pub fn nanosleep(rqtp: *const timespec, rmtp: *mut timespec) -> ::c_int;
tcgetpgrp(fd: ::c_int) -> pid_t907     pub fn tcgetpgrp(fd: ::c_int) -> pid_t;
tcsetpgrp(fd: ::c_int, pgrp: ::pid_t) -> ::c_int908     pub fn tcsetpgrp(fd: ::c_int, pgrp: ::pid_t) -> ::c_int;
ttyname(fd: ::c_int) -> *mut c_char909     pub fn ttyname(fd: ::c_int) -> *mut c_char;
910     #[cfg_attr(
911         all(target_os = "macos", target_arch = "x86"),
912         link_name = "ttyname_r$UNIX2003"
913     )]
914     #[cfg_attr(target_os = "illumos", link_name = "__posix_ttyname_r")]
ttyname_r(fd: ::c_int, buf: *mut c_char, buflen: ::size_t) -> ::c_int915     pub fn ttyname_r(fd: ::c_int, buf: *mut c_char, buflen: ::size_t) -> ::c_int;
unlink(c: *const c_char) -> ::c_int916     pub fn unlink(c: *const c_char) -> ::c_int;
917     #[cfg_attr(
918         all(target_os = "macos", target_arch = "x86"),
919         link_name = "wait$UNIX2003"
920     )]
wait(status: *mut ::c_int) -> pid_t921     pub fn wait(status: *mut ::c_int) -> pid_t;
922     #[cfg_attr(
923         all(target_os = "macos", target_arch = "x86"),
924         link_name = "waitpid$UNIX2003"
925     )]
waitpid(pid: pid_t, status: *mut ::c_int, options: ::c_int) -> pid_t926     pub fn waitpid(pid: pid_t, status: *mut ::c_int, options: ::c_int) -> pid_t;
927     #[cfg_attr(
928         all(target_os = "macos", target_arch = "x86"),
929         link_name = "write$UNIX2003"
930     )]
write(fd: ::c_int, buf: *const ::c_void, count: ::size_t) -> ::ssize_t931     pub fn write(fd: ::c_int, buf: *const ::c_void, count: ::size_t) -> ::ssize_t;
932     #[cfg_attr(
933         all(target_os = "macos", target_arch = "x86"),
934         link_name = "pread$UNIX2003"
935     )]
pread(fd: ::c_int, buf: *mut ::c_void, count: ::size_t, offset: off_t) -> ::ssize_t936     pub fn pread(fd: ::c_int, buf: *mut ::c_void, count: ::size_t, offset: off_t) -> ::ssize_t;
937     #[cfg_attr(
938         all(target_os = "macos", target_arch = "x86"),
939         link_name = "pwrite$UNIX2003"
940     )]
pwrite(fd: ::c_int, buf: *const ::c_void, count: ::size_t, offset: off_t) -> ::ssize_t941     pub fn pwrite(fd: ::c_int, buf: *const ::c_void, count: ::size_t, offset: off_t) -> ::ssize_t;
umask(mask: mode_t) -> mode_t942     pub fn umask(mask: mode_t) -> mode_t;
943 
944     #[cfg_attr(target_os = "netbsd", link_name = "__utime50")]
utime(file: *const c_char, buf: *const utimbuf) -> ::c_int945     pub fn utime(file: *const c_char, buf: *const utimbuf) -> ::c_int;
946 
947     #[cfg_attr(
948         all(target_os = "macos", target_arch = "x86"),
949         link_name = "kill$UNIX2003"
950     )]
kill(pid: pid_t, sig: ::c_int) -> ::c_int951     pub fn kill(pid: pid_t, sig: ::c_int) -> ::c_int;
952     #[cfg_attr(
953         all(target_os = "macos", target_arch = "x86"),
954         link_name = "killpg$UNIX2003"
955     )]
killpg(pgrp: pid_t, sig: ::c_int) -> ::c_int956     pub fn killpg(pgrp: pid_t, sig: ::c_int) -> ::c_int;
957 
mlock(addr: *const ::c_void, len: ::size_t) -> ::c_int958     pub fn mlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
munlock(addr: *const ::c_void, len: ::size_t) -> ::c_int959     pub fn munlock(addr: *const ::c_void, len: ::size_t) -> ::c_int;
mlockall(flags: ::c_int) -> ::c_int960     pub fn mlockall(flags: ::c_int) -> ::c_int;
munlockall() -> ::c_int961     pub fn munlockall() -> ::c_int;
962 
963     #[cfg_attr(
964         all(target_os = "macos", target_arch = "x86"),
965         link_name = "mmap$UNIX2003"
966     )]
mmap( addr: *mut ::c_void, len: ::size_t, prot: ::c_int, flags: ::c_int, fd: ::c_int, offset: off_t, ) -> *mut ::c_void967     pub fn mmap(
968         addr: *mut ::c_void,
969         len: ::size_t,
970         prot: ::c_int,
971         flags: ::c_int,
972         fd: ::c_int,
973         offset: off_t,
974     ) -> *mut ::c_void;
975     #[cfg_attr(
976         all(target_os = "macos", target_arch = "x86"),
977         link_name = "munmap$UNIX2003"
978     )]
munmap(addr: *mut ::c_void, len: ::size_t) -> ::c_int979     pub fn munmap(addr: *mut ::c_void, len: ::size_t) -> ::c_int;
980 
if_nametoindex(ifname: *const c_char) -> ::c_uint981     pub fn if_nametoindex(ifname: *const c_char) -> ::c_uint;
if_indextoname(ifindex: ::c_uint, ifname: *mut ::c_char) -> *mut ::c_char982     pub fn if_indextoname(ifindex: ::c_uint, ifname: *mut ::c_char) -> *mut ::c_char;
983 
984     #[cfg_attr(
985         all(target_os = "macos", not(target_arch = "aarch64")),
986         link_name = "lstat$INODE64"
987     )]
988     #[cfg_attr(target_os = "netbsd", link_name = "__lstat50")]
989     #[cfg_attr(
990         all(target_os = "freebsd", any(freebsd11, freebsd10)),
991         link_name = "lstat@FBSD_1.0"
992     )]
993     #[cfg_attr(target_os = "dragonfly", allow(deprecated))]
lstat(path: *const c_char, buf: *mut stat) -> ::c_int994     pub fn lstat(path: *const c_char, buf: *mut stat) -> ::c_int;
995 
996     #[cfg_attr(
997         all(target_os = "macos", target_arch = "x86"),
998         link_name = "fsync$UNIX2003"
999     )]
fsync(fd: ::c_int) -> ::c_int1000     pub fn fsync(fd: ::c_int) -> ::c_int;
1001 
1002     #[cfg_attr(
1003         all(target_os = "macos", target_arch = "x86"),
1004         link_name = "setenv$UNIX2003"
1005     )]
setenv(name: *const c_char, val: *const c_char, overwrite: ::c_int) -> ::c_int1006     pub fn setenv(name: *const c_char, val: *const c_char, overwrite: ::c_int) -> ::c_int;
1007     #[cfg_attr(
1008         all(target_os = "macos", target_arch = "x86"),
1009         link_name = "unsetenv$UNIX2003"
1010     )]
1011     #[cfg_attr(target_os = "netbsd", link_name = "__unsetenv13")]
unsetenv(name: *const c_char) -> ::c_int1012     pub fn unsetenv(name: *const c_char) -> ::c_int;
1013 
symlink(path1: *const c_char, path2: *const c_char) -> ::c_int1014     pub fn symlink(path1: *const c_char, path2: *const c_char) -> ::c_int;
1015 
ftruncate(fd: ::c_int, length: off_t) -> ::c_int1016     pub fn ftruncate(fd: ::c_int, length: off_t) -> ::c_int;
1017 
signal(signum: ::c_int, handler: sighandler_t) -> sighandler_t1018     pub fn signal(signum: ::c_int, handler: sighandler_t) -> sighandler_t;
1019 
1020     #[cfg_attr(target_os = "netbsd", link_name = "__getrusage50")]
getrusage(resource: ::c_int, usage: *mut rusage) -> ::c_int1021     pub fn getrusage(resource: ::c_int, usage: *mut rusage) -> ::c_int;
1022 
1023     #[cfg_attr(
1024         any(target_os = "macos", target_os = "ios"),
1025         link_name = "realpath$DARWIN_EXTSN"
1026     )]
realpath(pathname: *const ::c_char, resolved: *mut ::c_char) -> *mut ::c_char1027     pub fn realpath(pathname: *const ::c_char, resolved: *mut ::c_char) -> *mut ::c_char;
1028 
flock(fd: ::c_int, operation: ::c_int) -> ::c_int1029     pub fn flock(fd: ::c_int, operation: ::c_int) -> ::c_int;
1030 
1031     #[cfg_attr(target_os = "netbsd", link_name = "__times13")]
times(buf: *mut ::tms) -> ::clock_t1032     pub fn times(buf: *mut ::tms) -> ::clock_t;
1033 
pthread_self() -> ::pthread_t1034     pub fn pthread_self() -> ::pthread_t;
1035     #[cfg_attr(
1036         all(target_os = "macos", target_arch = "x86"),
1037         link_name = "pthread_join$UNIX2003"
1038     )]
pthread_join(native: ::pthread_t, value: *mut *mut ::c_void) -> ::c_int1039     pub fn pthread_join(native: ::pthread_t, value: *mut *mut ::c_void) -> ::c_int;
pthread_exit(value: *mut ::c_void) -> !1040     pub fn pthread_exit(value: *mut ::c_void) -> !;
pthread_attr_init(attr: *mut ::pthread_attr_t) -> ::c_int1041     pub fn pthread_attr_init(attr: *mut ::pthread_attr_t) -> ::c_int;
pthread_attr_destroy(attr: *mut ::pthread_attr_t) -> ::c_int1042     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_int1043     pub fn pthread_attr_setstacksize(attr: *mut ::pthread_attr_t, stack_size: ::size_t) -> ::c_int;
pthread_attr_setdetachstate(attr: *mut ::pthread_attr_t, state: ::c_int) -> ::c_int1044     pub fn pthread_attr_setdetachstate(attr: *mut ::pthread_attr_t, state: ::c_int) -> ::c_int;
pthread_detach(thread: ::pthread_t) -> ::c_int1045     pub fn pthread_detach(thread: ::pthread_t) -> ::c_int;
1046     #[cfg_attr(target_os = "netbsd", link_name = "__libc_thr_yield")]
sched_yield() -> ::c_int1047     pub fn sched_yield() -> ::c_int;
pthread_key_create( key: *mut pthread_key_t, dtor: ::Option<unsafe extern "C" fn(*mut ::c_void)>, ) -> ::c_int1048     pub fn pthread_key_create(
1049         key: *mut pthread_key_t,
1050         dtor: ::Option<unsafe extern "C" fn(*mut ::c_void)>,
1051     ) -> ::c_int;
pthread_key_delete(key: pthread_key_t) -> ::c_int1052     pub fn pthread_key_delete(key: pthread_key_t) -> ::c_int;
pthread_getspecific(key: pthread_key_t) -> *mut ::c_void1053     pub fn pthread_getspecific(key: pthread_key_t) -> *mut ::c_void;
pthread_setspecific(key: pthread_key_t, value: *const ::c_void) -> ::c_int1054     pub fn pthread_setspecific(key: pthread_key_t, value: *const ::c_void) -> ::c_int;
pthread_mutex_init( lock: *mut pthread_mutex_t, attr: *const pthread_mutexattr_t, ) -> ::c_int1055     pub fn pthread_mutex_init(
1056         lock: *mut pthread_mutex_t,
1057         attr: *const pthread_mutexattr_t,
1058     ) -> ::c_int;
pthread_mutex_destroy(lock: *mut pthread_mutex_t) -> ::c_int1059     pub fn pthread_mutex_destroy(lock: *mut pthread_mutex_t) -> ::c_int;
pthread_mutex_lock(lock: *mut pthread_mutex_t) -> ::c_int1060     pub fn pthread_mutex_lock(lock: *mut pthread_mutex_t) -> ::c_int;
pthread_mutex_trylock(lock: *mut pthread_mutex_t) -> ::c_int1061     pub fn pthread_mutex_trylock(lock: *mut pthread_mutex_t) -> ::c_int;
pthread_mutex_unlock(lock: *mut pthread_mutex_t) -> ::c_int1062     pub fn pthread_mutex_unlock(lock: *mut pthread_mutex_t) -> ::c_int;
1063 
pthread_mutexattr_init(attr: *mut pthread_mutexattr_t) -> ::c_int1064     pub fn pthread_mutexattr_init(attr: *mut pthread_mutexattr_t) -> ::c_int;
1065     #[cfg_attr(
1066         all(target_os = "macos", target_arch = "x86"),
1067         link_name = "pthread_mutexattr_destroy$UNIX2003"
1068     )]
pthread_mutexattr_destroy(attr: *mut pthread_mutexattr_t) -> ::c_int1069     pub fn pthread_mutexattr_destroy(attr: *mut pthread_mutexattr_t) -> ::c_int;
pthread_mutexattr_settype(attr: *mut pthread_mutexattr_t, _type: ::c_int) -> ::c_int1070     pub fn pthread_mutexattr_settype(attr: *mut pthread_mutexattr_t, _type: ::c_int) -> ::c_int;
1071 
1072     #[cfg_attr(
1073         all(target_os = "macos", target_arch = "x86"),
1074         link_name = "pthread_cond_init$UNIX2003"
1075     )]
pthread_cond_init(cond: *mut pthread_cond_t, attr: *const pthread_condattr_t) -> ::c_int1076     pub fn pthread_cond_init(cond: *mut pthread_cond_t, attr: *const pthread_condattr_t)
1077         -> ::c_int;
1078     #[cfg_attr(
1079         all(target_os = "macos", target_arch = "x86"),
1080         link_name = "pthread_cond_wait$UNIX2003"
1081     )]
pthread_cond_wait(cond: *mut pthread_cond_t, lock: *mut pthread_mutex_t) -> ::c_int1082     pub fn pthread_cond_wait(cond: *mut pthread_cond_t, lock: *mut pthread_mutex_t) -> ::c_int;
1083     #[cfg_attr(
1084         all(target_os = "macos", target_arch = "x86"),
1085         link_name = "pthread_cond_timedwait$UNIX2003"
1086     )]
pthread_cond_timedwait( cond: *mut pthread_cond_t, lock: *mut pthread_mutex_t, abstime: *const ::timespec, ) -> ::c_int1087     pub fn pthread_cond_timedwait(
1088         cond: *mut pthread_cond_t,
1089         lock: *mut pthread_mutex_t,
1090         abstime: *const ::timespec,
1091     ) -> ::c_int;
pthread_cond_signal(cond: *mut pthread_cond_t) -> ::c_int1092     pub fn pthread_cond_signal(cond: *mut pthread_cond_t) -> ::c_int;
pthread_cond_broadcast(cond: *mut pthread_cond_t) -> ::c_int1093     pub fn pthread_cond_broadcast(cond: *mut pthread_cond_t) -> ::c_int;
pthread_cond_destroy(cond: *mut pthread_cond_t) -> ::c_int1094     pub fn pthread_cond_destroy(cond: *mut pthread_cond_t) -> ::c_int;
pthread_condattr_init(attr: *mut pthread_condattr_t) -> ::c_int1095     pub fn pthread_condattr_init(attr: *mut pthread_condattr_t) -> ::c_int;
pthread_condattr_destroy(attr: *mut pthread_condattr_t) -> ::c_int1096     pub fn pthread_condattr_destroy(attr: *mut pthread_condattr_t) -> ::c_int;
1097     #[cfg_attr(
1098         all(target_os = "macos", target_arch = "x86"),
1099         link_name = "pthread_rwlock_init$UNIX2003"
1100     )]
pthread_rwlock_init( lock: *mut pthread_rwlock_t, attr: *const pthread_rwlockattr_t, ) -> ::c_int1101     pub fn pthread_rwlock_init(
1102         lock: *mut pthread_rwlock_t,
1103         attr: *const pthread_rwlockattr_t,
1104     ) -> ::c_int;
1105     #[cfg_attr(
1106         all(target_os = "macos", target_arch = "x86"),
1107         link_name = "pthread_rwlock_destroy$UNIX2003"
1108     )]
pthread_rwlock_destroy(lock: *mut pthread_rwlock_t) -> ::c_int1109     pub fn pthread_rwlock_destroy(lock: *mut pthread_rwlock_t) -> ::c_int;
1110     #[cfg_attr(
1111         all(target_os = "macos", target_arch = "x86"),
1112         link_name = "pthread_rwlock_rdlock$UNIX2003"
1113     )]
pthread_rwlock_rdlock(lock: *mut pthread_rwlock_t) -> ::c_int1114     pub fn pthread_rwlock_rdlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1115     #[cfg_attr(
1116         all(target_os = "macos", target_arch = "x86"),
1117         link_name = "pthread_rwlock_tryrdlock$UNIX2003"
1118     )]
pthread_rwlock_tryrdlock(lock: *mut pthread_rwlock_t) -> ::c_int1119     pub fn pthread_rwlock_tryrdlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1120     #[cfg_attr(
1121         all(target_os = "macos", target_arch = "x86"),
1122         link_name = "pthread_rwlock_wrlock$UNIX2003"
1123     )]
pthread_rwlock_wrlock(lock: *mut pthread_rwlock_t) -> ::c_int1124     pub fn pthread_rwlock_wrlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1125     #[cfg_attr(
1126         all(target_os = "macos", target_arch = "x86"),
1127         link_name = "pthread_rwlock_trywrlock$UNIX2003"
1128     )]
pthread_rwlock_trywrlock(lock: *mut pthread_rwlock_t) -> ::c_int1129     pub fn pthread_rwlock_trywrlock(lock: *mut pthread_rwlock_t) -> ::c_int;
1130     #[cfg_attr(
1131         all(target_os = "macos", target_arch = "x86"),
1132         link_name = "pthread_rwlock_unlock$UNIX2003"
1133     )]
pthread_rwlock_unlock(lock: *mut pthread_rwlock_t) -> ::c_int1134     pub fn pthread_rwlock_unlock(lock: *mut pthread_rwlock_t) -> ::c_int;
pthread_rwlockattr_init(attr: *mut pthread_rwlockattr_t) -> ::c_int1135     pub fn pthread_rwlockattr_init(attr: *mut pthread_rwlockattr_t) -> ::c_int;
pthread_rwlockattr_destroy(attr: *mut pthread_rwlockattr_t) -> ::c_int1136     pub fn pthread_rwlockattr_destroy(attr: *mut pthread_rwlockattr_t) -> ::c_int;
1137 
1138     #[cfg_attr(target_os = "illumos", link_name = "__xnet_getsockopt")]
1139     #[cfg_attr(target_os = "espidf", link_name = "lwip_getsockopt")]
getsockopt( sockfd: ::c_int, level: ::c_int, optname: ::c_int, optval: *mut ::c_void, optlen: *mut ::socklen_t, ) -> ::c_int1140     pub fn getsockopt(
1141         sockfd: ::c_int,
1142         level: ::c_int,
1143         optname: ::c_int,
1144         optval: *mut ::c_void,
1145         optlen: *mut ::socklen_t,
1146     ) -> ::c_int;
raise(signum: ::c_int) -> ::c_int1147     pub fn raise(signum: ::c_int) -> ::c_int;
1148     #[cfg_attr(target_os = "netbsd", link_name = "__sigaction14")]
sigaction(signum: ::c_int, act: *const sigaction, oldact: *mut sigaction) -> ::c_int1149     pub fn sigaction(signum: ::c_int, act: *const sigaction, oldact: *mut sigaction) -> ::c_int;
1150 
1151     #[cfg_attr(target_os = "netbsd", link_name = "__utimes50")]
utimes(filename: *const ::c_char, times: *const ::timeval) -> ::c_int1152     pub fn utimes(filename: *const ::c_char, times: *const ::timeval) -> ::c_int;
dlopen(filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void1153     pub fn dlopen(filename: *const ::c_char, flag: ::c_int) -> *mut ::c_void;
dlerror() -> *mut ::c_char1154     pub fn dlerror() -> *mut ::c_char;
dlsym(handle: *mut ::c_void, symbol: *const ::c_char) -> *mut ::c_void1155     pub fn dlsym(handle: *mut ::c_void, symbol: *const ::c_char) -> *mut ::c_void;
dlclose(handle: *mut ::c_void) -> ::c_int1156     pub fn dlclose(handle: *mut ::c_void) -> ::c_int;
dladdr(addr: *const ::c_void, info: *mut Dl_info) -> ::c_int1157     pub fn dladdr(addr: *const ::c_void, info: *mut Dl_info) -> ::c_int;
1158 
1159     #[cfg(not(all(
1160         libc_cfg_target_vendor,
1161         target_arch = "powerpc",
1162         target_vendor = "nintendo"
1163     )))]
1164     #[cfg_attr(target_os = "illumos", link_name = "__xnet_getaddrinfo")]
1165     #[cfg_attr(target_os = "espidf", link_name = "lwip_getaddrinfo")]
getaddrinfo( node: *const c_char, service: *const c_char, hints: *const addrinfo, res: *mut *mut addrinfo, ) -> ::c_int1166     pub fn getaddrinfo(
1167         node: *const c_char,
1168         service: *const c_char,
1169         hints: *const addrinfo,
1170         res: *mut *mut addrinfo,
1171     ) -> ::c_int;
1172     #[cfg(not(all(
1173         libc_cfg_target_vendor,
1174         target_arch = "powerpc",
1175         target_vendor = "nintendo"
1176     )))]
1177     #[cfg_attr(target_os = "espidf", link_name = "lwip_freeaddrinfo")]
freeaddrinfo(res: *mut addrinfo)1178     pub fn freeaddrinfo(res: *mut addrinfo);
hstrerror(errcode: ::c_int) -> *const ::c_char1179     pub fn hstrerror(errcode: ::c_int) -> *const ::c_char;
gai_strerror(errcode: ::c_int) -> *const ::c_char1180     pub fn gai_strerror(errcode: ::c_int) -> *const ::c_char;
1181     #[cfg_attr(
1182         any(
1183             all(target_os = "linux", not(target_env = "musl")),
1184             target_os = "freebsd",
1185             target_os = "dragonfly",
1186             target_os = "haiku"
1187         ),
1188         link_name = "__res_init"
1189     )]
1190     #[cfg_attr(any(target_os = "macos", target_os = "ios"), link_name = "res_9_init")]
res_init() -> ::c_int1191     pub fn res_init() -> ::c_int;
1192 
1193     #[cfg_attr(target_os = "netbsd", link_name = "__gmtime_r50")]
1194     #[cfg_attr(target_env = "musl", allow(deprecated))]
1195     // FIXME: for `time_t`
gmtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm1196     pub fn gmtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm;
1197     #[cfg_attr(target_os = "netbsd", link_name = "__localtime_r50")]
1198     #[cfg_attr(target_env = "musl", allow(deprecated))]
1199     // FIXME: for `time_t`
localtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm1200     pub fn localtime_r(time_p: *const time_t, result: *mut tm) -> *mut tm;
1201     #[cfg_attr(
1202         all(target_os = "macos", target_arch = "x86"),
1203         link_name = "mktime$UNIX2003"
1204     )]
1205     #[cfg_attr(target_os = "netbsd", link_name = "__mktime50")]
1206     #[cfg_attr(target_env = "musl", allow(deprecated))]
1207     // FIXME: for `time_t`
mktime(tm: *mut tm) -> time_t1208     pub fn mktime(tm: *mut tm) -> time_t;
1209     #[cfg_attr(target_os = "netbsd", link_name = "__time50")]
1210     #[cfg_attr(target_env = "musl", allow(deprecated))]
1211     // FIXME: for `time_t`
time(time: *mut time_t) -> time_t1212     pub fn time(time: *mut time_t) -> time_t;
1213     #[cfg_attr(target_os = "netbsd", link_name = "__gmtime50")]
1214     #[cfg_attr(target_env = "musl", allow(deprecated))]
1215     // FIXME: for `time_t`
gmtime(time_p: *const time_t) -> *mut tm1216     pub fn gmtime(time_p: *const time_t) -> *mut tm;
1217     #[cfg_attr(target_os = "netbsd", link_name = "__locatime50")]
1218     #[cfg_attr(target_env = "musl", allow(deprecated))]
1219     // FIXME: for `time_t`
localtime(time_p: *const time_t) -> *mut tm1220     pub fn localtime(time_p: *const time_t) -> *mut tm;
1221     #[cfg_attr(target_os = "netbsd", link_name = "__difftime50")]
1222     #[cfg_attr(target_env = "musl", allow(deprecated))]
1223     // FIXME: for `time_t`
difftime(time1: time_t, time0: time_t) -> ::c_double1224     pub fn difftime(time1: time_t, time0: time_t) -> ::c_double;
1225     #[cfg_attr(target_os = "netbsd", link_name = "__timegm50")]
1226     #[cfg_attr(target_env = "musl", allow(deprecated))]
1227     // FIXME: for `time_t`
timegm(tm: *mut ::tm) -> time_t1228     pub fn timegm(tm: *mut ::tm) -> time_t;
1229 
1230     #[cfg_attr(target_os = "netbsd", link_name = "__mknod50")]
1231     #[cfg_attr(
1232         all(target_os = "freebsd", any(freebsd11, freebsd10)),
1233         link_name = "mknod@FBSD_1.0"
1234     )]
mknod(pathname: *const ::c_char, mode: ::mode_t, dev: ::dev_t) -> ::c_int1235     pub fn mknod(pathname: *const ::c_char, mode: ::mode_t, dev: ::dev_t) -> ::c_int;
gethostname(name: *mut ::c_char, len: ::size_t) -> ::c_int1236     pub fn gethostname(name: *mut ::c_char, len: ::size_t) -> ::c_int;
endservent()1237     pub fn endservent();
getservbyname(name: *const ::c_char, proto: *const ::c_char) -> *mut servent1238     pub fn getservbyname(name: *const ::c_char, proto: *const ::c_char) -> *mut servent;
getservbyport(port: ::c_int, proto: *const ::c_char) -> *mut servent1239     pub fn getservbyport(port: ::c_int, proto: *const ::c_char) -> *mut servent;
getservent() -> *mut servent1240     pub fn getservent() -> *mut servent;
setservent(stayopen: ::c_int)1241     pub fn setservent(stayopen: ::c_int);
getprotobyname(name: *const ::c_char) -> *mut protoent1242     pub fn getprotobyname(name: *const ::c_char) -> *mut protoent;
getprotobynumber(proto: ::c_int) -> *mut protoent1243     pub fn getprotobynumber(proto: ::c_int) -> *mut protoent;
chroot(name: *const ::c_char) -> ::c_int1244     pub fn chroot(name: *const ::c_char) -> ::c_int;
1245     #[cfg_attr(
1246         all(target_os = "macos", target_arch = "x86"),
1247         link_name = "usleep$UNIX2003"
1248     )]
usleep(secs: ::c_uint) -> ::c_int1249     pub fn usleep(secs: ::c_uint) -> ::c_int;
1250     #[cfg_attr(
1251         all(target_os = "macos", target_arch = "x86"),
1252         link_name = "send$UNIX2003"
1253     )]
1254     #[cfg_attr(target_os = "espidf", link_name = "lwip_send")]
send(socket: ::c_int, buf: *const ::c_void, len: ::size_t, flags: ::c_int) -> ::ssize_t1255     pub fn send(socket: ::c_int, buf: *const ::c_void, len: ::size_t, flags: ::c_int) -> ::ssize_t;
1256     #[cfg_attr(
1257         all(target_os = "macos", target_arch = "x86"),
1258         link_name = "recv$UNIX2003"
1259     )]
1260     #[cfg_attr(target_os = "espidf", link_name = "lwip_recv")]
recv(socket: ::c_int, buf: *mut ::c_void, len: ::size_t, flags: ::c_int) -> ::ssize_t1261     pub fn recv(socket: ::c_int, buf: *mut ::c_void, len: ::size_t, flags: ::c_int) -> ::ssize_t;
1262     #[cfg_attr(
1263         all(target_os = "macos", target_arch = "x86"),
1264         link_name = "putenv$UNIX2003"
1265     )]
1266     #[cfg_attr(target_os = "netbsd", link_name = "__putenv50")]
putenv(string: *mut c_char) -> ::c_int1267     pub fn putenv(string: *mut c_char) -> ::c_int;
1268     #[cfg_attr(
1269         all(target_os = "macos", target_arch = "x86"),
1270         link_name = "poll$UNIX2003"
1271     )]
poll(fds: *mut pollfd, nfds: nfds_t, timeout: ::c_int) -> ::c_int1272     pub fn poll(fds: *mut pollfd, nfds: nfds_t, timeout: ::c_int) -> ::c_int;
1273     #[cfg_attr(
1274         all(target_os = "macos", target_arch = "x86_64"),
1275         link_name = "select$1050"
1276     )]
1277     #[cfg_attr(
1278         all(target_os = "macos", target_arch = "x86"),
1279         link_name = "select$UNIX2003"
1280     )]
1281     #[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_int1282     pub fn select(
1283         nfds: ::c_int,
1284         readfs: *mut fd_set,
1285         writefds: *mut fd_set,
1286         errorfds: *mut fd_set,
1287         timeout: *mut timeval,
1288     ) -> ::c_int;
1289     #[cfg_attr(target_os = "netbsd", link_name = "__setlocale50")]
setlocale(category: ::c_int, locale: *const ::c_char) -> *mut ::c_char1290     pub fn setlocale(category: ::c_int, locale: *const ::c_char) -> *mut ::c_char;
localeconv() -> *mut lconv1291     pub fn localeconv() -> *mut lconv;
1292 
1293     #[cfg_attr(
1294         all(target_os = "macos", target_arch = "x86"),
1295         link_name = "sem_wait$UNIX2003"
1296     )]
sem_wait(sem: *mut sem_t) -> ::c_int1297     pub fn sem_wait(sem: *mut sem_t) -> ::c_int;
sem_trywait(sem: *mut sem_t) -> ::c_int1298     pub fn sem_trywait(sem: *mut sem_t) -> ::c_int;
sem_post(sem: *mut sem_t) -> ::c_int1299     pub fn sem_post(sem: *mut sem_t) -> ::c_int;
statvfs(path: *const c_char, buf: *mut statvfs) -> ::c_int1300     pub fn statvfs(path: *const c_char, buf: *mut statvfs) -> ::c_int;
fstatvfs(fd: ::c_int, buf: *mut statvfs) -> ::c_int1301     pub fn fstatvfs(fd: ::c_int, buf: *mut statvfs) -> ::c_int;
1302 
readlink(path: *const c_char, buf: *mut c_char, bufsz: ::size_t) -> ::ssize_t1303     pub fn readlink(path: *const c_char, buf: *mut c_char, bufsz: ::size_t) -> ::ssize_t;
1304 
1305     #[cfg_attr(target_os = "netbsd", link_name = "__sigemptyset14")]
sigemptyset(set: *mut sigset_t) -> ::c_int1306     pub fn sigemptyset(set: *mut sigset_t) -> ::c_int;
1307     #[cfg_attr(target_os = "netbsd", link_name = "__sigaddset14")]
sigaddset(set: *mut sigset_t, signum: ::c_int) -> ::c_int1308     pub fn sigaddset(set: *mut sigset_t, signum: ::c_int) -> ::c_int;
1309     #[cfg_attr(target_os = "netbsd", link_name = "__sigfillset14")]
sigfillset(set: *mut sigset_t) -> ::c_int1310     pub fn sigfillset(set: *mut sigset_t) -> ::c_int;
1311     #[cfg_attr(target_os = "netbsd", link_name = "__sigdelset14")]
sigdelset(set: *mut sigset_t, signum: ::c_int) -> ::c_int1312     pub fn sigdelset(set: *mut sigset_t, signum: ::c_int) -> ::c_int;
1313     #[cfg_attr(target_os = "netbsd", link_name = "__sigismember14")]
sigismember(set: *const sigset_t, signum: ::c_int) -> ::c_int1314     pub fn sigismember(set: *const sigset_t, signum: ::c_int) -> ::c_int;
1315 
1316     #[cfg_attr(target_os = "netbsd", link_name = "__sigprocmask14")]
sigprocmask(how: ::c_int, set: *const sigset_t, oldset: *mut sigset_t) -> ::c_int1317     pub fn sigprocmask(how: ::c_int, set: *const sigset_t, oldset: *mut sigset_t) -> ::c_int;
1318     #[cfg_attr(target_os = "netbsd", link_name = "__sigpending14")]
sigpending(set: *mut sigset_t) -> ::c_int1319     pub fn sigpending(set: *mut sigset_t) -> ::c_int;
1320 
sysconf(name: ::c_int) -> ::c_long1321     pub fn sysconf(name: ::c_int) -> ::c_long;
1322 
mkfifo(path: *const c_char, mode: mode_t) -> ::c_int1323     pub fn mkfifo(path: *const c_char, mode: mode_t) -> ::c_int;
1324 
1325     #[cfg_attr(
1326         all(target_os = "macos", target_arch = "x86_64"),
1327         link_name = "pselect$1050"
1328     )]
1329     #[cfg_attr(
1330         all(target_os = "macos", target_arch = "x86"),
1331         link_name = "pselect$UNIX2003"
1332     )]
1333     #[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_int1334     pub fn pselect(
1335         nfds: ::c_int,
1336         readfs: *mut fd_set,
1337         writefds: *mut fd_set,
1338         errorfds: *mut fd_set,
1339         timeout: *const timespec,
1340         sigmask: *const sigset_t,
1341     ) -> ::c_int;
fseeko(stream: *mut ::FILE, offset: ::off_t, whence: ::c_int) -> ::c_int1342     pub fn fseeko(stream: *mut ::FILE, offset: ::off_t, whence: ::c_int) -> ::c_int;
ftello(stream: *mut ::FILE) -> ::off_t1343     pub fn ftello(stream: *mut ::FILE) -> ::off_t;
1344     #[cfg_attr(
1345         all(target_os = "macos", target_arch = "x86"),
1346         link_name = "tcdrain$UNIX2003"
1347     )]
tcdrain(fd: ::c_int) -> ::c_int1348     pub fn tcdrain(fd: ::c_int) -> ::c_int;
cfgetispeed(termios: *const ::termios) -> ::speed_t1349     pub fn cfgetispeed(termios: *const ::termios) -> ::speed_t;
cfgetospeed(termios: *const ::termios) -> ::speed_t1350     pub fn cfgetospeed(termios: *const ::termios) -> ::speed_t;
cfsetispeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int1351     pub fn cfsetispeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int;
cfsetospeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int1352     pub fn cfsetospeed(termios: *mut ::termios, speed: ::speed_t) -> ::c_int;
tcgetattr(fd: ::c_int, termios: *mut ::termios) -> ::c_int1353     pub fn tcgetattr(fd: ::c_int, termios: *mut ::termios) -> ::c_int;
tcsetattr(fd: ::c_int, optional_actions: ::c_int, termios: *const ::termios) -> ::c_int1354     pub fn tcsetattr(fd: ::c_int, optional_actions: ::c_int, termios: *const ::termios) -> ::c_int;
tcflow(fd: ::c_int, action: ::c_int) -> ::c_int1355     pub fn tcflow(fd: ::c_int, action: ::c_int) -> ::c_int;
tcflush(fd: ::c_int, action: ::c_int) -> ::c_int1356     pub fn tcflush(fd: ::c_int, action: ::c_int) -> ::c_int;
tcgetsid(fd: ::c_int) -> ::pid_t1357     pub fn tcgetsid(fd: ::c_int) -> ::pid_t;
tcsendbreak(fd: ::c_int, duration: ::c_int) -> ::c_int1358     pub fn tcsendbreak(fd: ::c_int, duration: ::c_int) -> ::c_int;
mkstemp(template: *mut ::c_char) -> ::c_int1359     pub fn mkstemp(template: *mut ::c_char) -> ::c_int;
mkdtemp(template: *mut ::c_char) -> *mut ::c_char1360     pub fn mkdtemp(template: *mut ::c_char) -> *mut ::c_char;
1361 
tmpnam(ptr: *mut ::c_char) -> *mut ::c_char1362     pub fn tmpnam(ptr: *mut ::c_char) -> *mut ::c_char;
1363 
openlog(ident: *const ::c_char, logopt: ::c_int, facility: ::c_int)1364     pub fn openlog(ident: *const ::c_char, logopt: ::c_int, facility: ::c_int);
closelog()1365     pub fn closelog();
setlogmask(maskpri: ::c_int) -> ::c_int1366     pub fn setlogmask(maskpri: ::c_int) -> ::c_int;
1367     #[cfg_attr(target_os = "macos", link_name = "syslog$DARWIN_EXTSN")]
syslog(priority: ::c_int, message: *const ::c_char, ...)1368     pub fn syslog(priority: ::c_int, message: *const ::c_char, ...);
1369     #[cfg_attr(
1370         all(target_os = "macos", target_arch = "x86"),
1371         link_name = "nice$UNIX2003"
1372     )]
nice(incr: ::c_int) -> ::c_int1373     pub fn nice(incr: ::c_int) -> ::c_int;
1374 
grantpt(fd: ::c_int) -> ::c_int1375     pub fn grantpt(fd: ::c_int) -> ::c_int;
posix_openpt(flags: ::c_int) -> ::c_int1376     pub fn posix_openpt(flags: ::c_int) -> ::c_int;
ptsname(fd: ::c_int) -> *mut ::c_char1377     pub fn ptsname(fd: ::c_int) -> *mut ::c_char;
unlockpt(fd: ::c_int) -> ::c_int1378     pub fn unlockpt(fd: ::c_int) -> ::c_int;
1379 
strcasestr(cs: *const c_char, ct: *const c_char) -> *mut c_char1380     pub fn strcasestr(cs: *const c_char, ct: *const c_char) -> *mut c_char;
getline(lineptr: *mut *mut c_char, n: *mut size_t, stream: *mut FILE) -> ssize_t1381     pub fn getline(lineptr: *mut *mut c_char, n: *mut size_t, stream: *mut FILE) -> ssize_t;
1382 
lockf(fd: ::c_int, cmd: ::c_int, len: ::off_t) -> ::c_int1383     pub fn lockf(fd: ::c_int, cmd: ::c_int, len: ::off_t) -> ::c_int;
1384 }
1385 
1386 cfg_if! {
1387     if #[cfg(not(target_env = "uclibc"))] {
1388         extern "C" {
1389             pub fn open_wmemstream(
1390                 ptr: *mut *mut wchar_t,
1391                 sizeloc: *mut size_t,
1392             ) -> *mut FILE;
1393         }
1394     }
1395 }
1396 
1397 cfg_if! {
1398     if #[cfg(not(target_os = "redox"))] {
1399         extern {
1400             pub fn getsid(pid: pid_t) -> pid_t;
1401             pub fn truncate(path: *const c_char, length: off_t) -> ::c_int;
1402             #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
1403                        link_name = "pause$UNIX2003")]
1404             pub fn pause() -> ::c_int;
1405 
1406             pub fn readlinkat(dirfd: ::c_int,
1407                               pathname: *const ::c_char,
1408                               buf: *mut ::c_char,
1409                               bufsiz: ::size_t) -> ::ssize_t;
1410             pub fn mkdirat(dirfd: ::c_int, pathname: *const ::c_char,
1411                            mode: ::mode_t) -> ::c_int;
1412             pub fn openat(dirfd: ::c_int, pathname: *const ::c_char,
1413                           flags: ::c_int, ...) -> ::c_int;
1414 
1415             #[cfg_attr(all(target_os = "macos", target_arch = "x86_64"),
1416                        link_name = "fdopendir$INODE64")]
1417             #[cfg_attr(all(target_os = "macos", target_arch = "x86"),
1418                        link_name = "fdopendir$INODE64$UNIX2003")]
1419             pub fn fdopendir(fd: ::c_int) -> *mut ::DIR;
1420 
1421             #[cfg_attr(all(target_os = "macos", not(target_arch = "aarch64")),
1422                        link_name = "readdir_r$INODE64")]
1423             #[cfg_attr(target_os = "netbsd", link_name = "__readdir_r30")]
1424             #[cfg_attr(
1425                 all(target_os = "freebsd", any(freebsd11, freebsd10)),
1426                 link_name = "readdir_r@FBSD_1.0"
1427             )]
1428             #[allow(non_autolinks)] // FIXME: `<>` breaks line length limit.
1429             /// The 64-bit libc on Solaris and illumos only has readdir_r. If a
1430             /// 32-bit Solaris or illumos target is ever created, it should use
1431             /// __posix_readdir_r. See libc(3LIB) on Solaris or illumos:
1432             /// https://illumos.org/man/3lib/libc
1433             /// https://docs.oracle.com/cd/E36784_01/html/E36873/libc-3lib.html
1434             /// https://www.unix.com/man-page/opensolaris/3LIB/libc/
1435             pub fn readdir_r(dirp: *mut ::DIR, entry: *mut ::dirent,
1436                              result: *mut *mut ::dirent) -> ::c_int;
1437         }
1438     }
1439 }
1440 
1441 cfg_if! {
1442    if #[cfg(not(any(target_os = "solaris", target_os = "illumos")))] {
1443         extern {
1444             pub fn cfmakeraw(termios: *mut ::termios);
1445             pub fn cfsetspeed(termios: *mut ::termios,
1446                               speed: ::speed_t) -> ::c_int;
1447         }
1448    }
1449 }
1450 
1451 cfg_if! {
1452     if #[cfg(target_env = "newlib")] {
1453         mod newlib;
1454         pub use self::newlib::*;
1455     } else if #[cfg(any(target_os = "linux",
1456                         target_os = "l4re",
1457                         target_os = "android",
1458                         target_os = "emscripten"))] {
1459         mod linux_like;
1460         pub use self::linux_like::*;
1461     } else if #[cfg(any(target_os = "macos",
1462                         target_os = "ios",
1463                         target_os = "freebsd",
1464                         target_os = "dragonfly",
1465                         target_os = "openbsd",
1466                         target_os = "netbsd"))] {
1467         mod bsd;
1468         pub use self::bsd::*;
1469     } else if #[cfg(any(target_os = "solaris",
1470                         target_os = "illumos"))] {
1471         mod solarish;
1472         pub use self::solarish::*;
1473     } else if #[cfg(target_os = "haiku")] {
1474         mod haiku;
1475         pub use self::haiku::*;
1476     } else if #[cfg(target_os = "hermit")] {
1477         mod hermit;
1478         pub use self::hermit::*;
1479     } else if #[cfg(target_os = "redox")] {
1480         mod redox;
1481         pub use self::redox::*;
1482     } else {
1483         // Unknown target_os
1484     }
1485 }
1486 
1487 cfg_if! {
1488     if #[cfg(libc_core_cvoid)] {
1489         pub use ::ffi::c_void;
1490     } else {
1491         // Use repr(u8) as LLVM expects `void*` to be the same as `i8*` to help
1492         // enable more optimization opportunities around it recognizing things
1493         // like malloc/free.
1494         #[repr(u8)]
1495         #[allow(missing_copy_implementations)]
1496         #[allow(missing_debug_implementations)]
1497         pub enum c_void {
1498             // Two dummy variants so the #[repr] attribute can be used.
1499             #[doc(hidden)]
1500             __variant1,
1501             #[doc(hidden)]
1502             __variant2,
1503         }
1504     }
1505 }
1506 
1507 cfg_if! {
1508     if #[cfg(libc_align)] {
1509         mod align;
1510         pub use self::align::*;
1511     } else {
1512         mod no_align;
1513         pub use self::no_align::*;
1514     }
1515 }
1516