1 //! Hermit C type definitions
2 
3 cfg_if! {
4     if #[cfg(any(target_arch = "aarch64", target_arch = "riscv64"))] {
5         pub type c_char = u8;
6     } else {
7         pub type c_char = i8;
8     }
9 }
10 
11 pub type c_schar = i8;
12 pub type c_uchar = u8;
13 pub type c_short = i16;
14 pub type c_ushort = u16;
15 pub type c_int = i32;
16 pub type c_uint = u32;
17 pub type c_long = i64;
18 pub type c_ulong = u64;
19 pub type c_longlong = i64;
20 pub type c_ulonglong = u64;
21 pub type intmax_t = i64;
22 pub type uintmax_t = u64;
23 pub type intptr_t = isize;
24 pub type uintptr_t = usize;
25 
26 pub type c_float = f32;
27 pub type c_double = f64;
28 
29 pub type size_t = usize;
30 pub type ssize_t = isize;
31 pub type ptrdiff_t = isize;
32 
33 pub type clockid_t = i32;
34 pub type in_addr_t = u32;
35 pub type in_port_t = u16;
36 pub type mode_t = u32;
37 pub type nfds_t = usize;
38 pub type pid_t = i32;
39 pub type sa_family_t = u8;
40 pub type socklen_t = u32;
41 pub type time_t = i64;
42 
43 s! {
44     pub struct addrinfo {
45         pub ai_flags: i32,
46         pub ai_family: i32,
47         pub ai_socktype: i32,
48         pub ai_protocol: i32,
49         pub ai_addrlen: socklen_t,
50         pub ai_canonname: *mut c_char,
51         pub ai_addr: *mut sockaddr,
52         pub ai_next: *mut addrinfo,
53     }
54 
55     pub struct dirent64 {
56         pub d_ino: u64,
57         pub d_off: i64,
58         pub d_reclen: u16,
59         pub d_type: u8,
60         pub d_name: [c_char; 256],
61     }
62 
63     #[repr(align(4))]
64     pub struct in6_addr {
65         pub s6_addr: [u8; 16],
66     }
67 
68     pub struct in_addr {
69         pub s_addr: in_addr_t,
70     }
71 
72     pub struct iovec {
73         iov_base: *mut c_void,
74         iov_len: usize,
75     }
76 
77     pub struct pollfd {
78         pub fd: i32,
79         pub events: i16,
80         pub revents: i16,
81     }
82 
83     pub struct sockaddr {
84         pub sa_len: u8,
85         pub sa_family: sa_family_t,
86         pub sa_data: [c_char; 14],
87     }
88 
89     pub struct sockaddr_in {
90         pub sin_len: u8,
91         pub sin_family: sa_family_t,
92         pub sin_port: in_port_t,
93         pub sin_addr: in_addr,
94         pub sin_zero: [c_char; 8],
95     }
96 
97     pub struct sockaddr_in6 {
98         pub sin6_len: u8,
99         pub sin6_family: sa_family_t,
100         pub sin6_port: in_port_t,
101         pub sin6_flowinfo: u32,
102         pub sin6_addr: in6_addr,
103         pub sin6_scope_id: u32,
104     }
105 
106     pub struct sockaddr_storage {
107         pub ss_len: u8,
108         pub ss_family: sa_family_t,
109         __ss_pad1: [u8; 6],
110         __ss_align: i64,
111         __ss_pad2: [u8; 112],
112     }
113 
114     pub struct stat {
115         pub st_dev: u64,
116         pub st_ino: u64,
117         pub st_nlink: u64,
118         pub st_mode: mode_t,
119         pub st_uid: u32,
120         pub st_gid: u32,
121         pub st_rdev: u64,
122         pub st_size: u64,
123         pub st_blksize: i64,
124         pub st_blocks: i64,
125         pub st_atim: timespec,
126         pub st_mtim: timespec,
127         pub st_ctim: timespec,
128     }
129 
130     pub struct timespec {
131         pub tv_sec: time_t,
132         pub tv_nsec: i32,
133     }
134 }
135 
136 pub const AF_INET: i32 = 0;
137 pub const AF_INET6: i32 = 1;
138 
139 pub const CLOCK_REALTIME: clockid_t = 1;
140 pub const CLOCK_MONOTONIC: clockid_t = 4;
141 
142 pub const DT_UNKNOWN: u8 = 0;
143 pub const DT_FIFO: u8 = 1;
144 pub const DT_CHR: u8 = 2;
145 pub const DT_DIR: u8 = 4;
146 pub const DT_BLK: u8 = 6;
147 pub const DT_REG: u8 = 8;
148 pub const DT_LNK: u8 = 10;
149 pub const DT_SOCK: u8 = 12;
150 pub const DT_WHT: u8 = 14;
151 
152 pub const EAI_AGAIN: i32 = 2;
153 pub const EAI_BADFLAGS: i32 = 3;
154 pub const EAI_FAIL: i32 = 4;
155 pub const EAI_FAMILY: i32 = 5;
156 pub const EAI_MEMORY: i32 = 6;
157 pub const EAI_NODATA: i32 = 7;
158 pub const EAI_NONAME: i32 = 8;
159 pub const EAI_SERVICE: i32 = 9;
160 pub const EAI_SOCKTYPE: i32 = 10;
161 pub const EAI_SYSTEM: i32 = 11;
162 pub const EAI_OVERFLOW: i32 = 14;
163 
164 pub const EFD_SEMAPHORE: i16 = 0o1;
165 pub const EFD_NONBLOCK: i16 = 0o4000;
166 pub const EFD_CLOEXEC: i16 = 0o40000;
167 
168 pub const F_DUPFD: i32 = 0;
169 pub const F_GETFD: i32 = 1;
170 pub const F_SETFD: i32 = 2;
171 pub const F_GETFL: i32 = 3;
172 pub const F_SETFL: i32 = 4;
173 
174 pub const FD_CLOEXEC: i32 = 1;
175 
176 pub const FIONBIO: i32 = 0x8008667e;
177 
178 pub const FUTEX_RELATIVE_TIMEOUT: u32 = 1;
179 
180 pub const IP_TOS: i32 = 1;
181 pub const IP_TTL: i32 = 2;
182 pub const IP_ADD_MEMBERSHIP: i32 = 3;
183 pub const IP_DROP_MEMBERSHIP: i32 = 4;
184 pub const IP_MULTICAST_TTL: i32 = 5;
185 pub const IP_MULTICAST_LOOP: i32 = 7;
186 
187 pub const IPPROTO_IP: i32 = 0;
188 pub const IPPROTO_TCP: i32 = 6;
189 pub const IPPROTO_UDP: i32 = 17;
190 pub const IPPROTO_IPV6: i32 = 41;
191 
192 pub const IPV6_ADD_MEMBERSHIP: i32 = 12;
193 pub const IPV6_DROP_MEMBERSHIP: i32 = 13;
194 pub const IPV6_MULTICAST_LOOP: i32 = 19;
195 pub const IPV6_V6ONLY: i32 = 27;
196 
197 pub const MSG_PEEK: i32 = 1;
198 
199 pub const O_RDONLY: i32 = 0o0;
200 pub const O_WRONLY: i32 = 0o1;
201 pub const O_RDWR: i32 = 0o2;
202 pub const O_CREAT: i32 = 0o100;
203 pub const O_EXCL: i32 = 0o200;
204 pub const O_TRUNC: i32 = 0o1000;
205 pub const O_APPEND: i32 = 0o2000;
206 pub const O_NONBLOCK: i32 = 0o4000;
207 pub const O_DIRECTORY: i32 = 0o200000;
208 
209 pub const POLLIN: i16 = 0x1;
210 pub const POLLPRI: i16 = 0x2;
211 pub const POLLOUT: i16 = 0x4;
212 pub const POLLERR: i16 = 0x8;
213 pub const POLLHUP: i16 = 0x10;
214 pub const POLLNVAL: i16 = 0x20;
215 pub const POLLRDNORM: i16 = 0x040;
216 pub const POLLRDBAND: i16 = 0x080;
217 pub const POLLWRNORM: i16 = 0x0100;
218 pub const POLLWRBAND: i16 = 0x0200;
219 pub const POLLRDHUP: i16 = 0x2000;
220 
221 pub const S_IRWXU: mode_t = 0o0700;
222 pub const S_IRUSR: mode_t = 0o0400;
223 pub const S_IWUSR: mode_t = 0o0200;
224 pub const S_IXUSR: mode_t = 0o0100;
225 pub const S_IRWXG: mode_t = 0o0070;
226 pub const S_IRGRP: mode_t = 0o0040;
227 pub const S_IWGRP: mode_t = 0o0020;
228 pub const S_IXGRP: mode_t = 0o0010;
229 pub const S_IRWXO: mode_t = 0o0007;
230 pub const S_IROTH: mode_t = 0o0004;
231 pub const S_IWOTH: mode_t = 0o0002;
232 pub const S_IXOTH: mode_t = 0o0001;
233 
234 pub const S_IFMT: mode_t = 0o17_0000;
235 pub const S_IFSOCK: mode_t = 0o14_0000;
236 pub const S_IFLNK: mode_t = 0o12_0000;
237 pub const S_IFREG: mode_t = 0o10_0000;
238 pub const S_IFBLK: mode_t = 0o6_0000;
239 pub const S_IFDIR: mode_t = 0o4_0000;
240 pub const S_IFCHR: mode_t = 0o2_0000;
241 pub const S_IFIFO: mode_t = 0o1_0000;
242 
243 pub const SHUT_RD: i32 = 0;
244 pub const SHUT_WR: i32 = 1;
245 pub const SHUT_RDWR: i32 = 2;
246 
247 pub const SO_REUSEADDR: i32 = 0x0004;
248 pub const SO_KEEPALIVE: i32 = 0x0008;
249 pub const SO_BROADCAST: i32 = 0x0020;
250 pub const SO_LINGER: i32 = 0x0080;
251 pub const SO_SNDBUF: i32 = 0x1001;
252 pub const SO_RCVBUF: i32 = 0x1002;
253 pub const SO_SNDTIMEO: i32 = 0x1005;
254 pub const SO_RCVTIMEO: i32 = 0x1006;
255 pub const SO_ERROR: i32 = 0x1007;
256 
257 pub const SOCK_STREAM: i32 = 1;
258 pub const SOCK_DGRAM: i32 = 2;
259 pub const SOCK_NONBLOCK: i32 = 0o4000;
260 pub const SOCK_CLOEXEC: i32 = 0o40000;
261 
262 pub const SOL_SOCKET: i32 = 4095;
263 
264 pub const STDIN_FILENO: c_int = 0;
265 pub const STDOUT_FILENO: c_int = 1;
266 pub const STDERR_FILENO: c_int = 2;
267 
268 pub const TCP_NODELAY: i32 = 1;
269 
270 pub const EPERM: i32 = 1;
271 pub const ENOENT: i32 = 2;
272 pub const ESRCH: i32 = 3;
273 pub const EINTR: i32 = 4;
274 pub const EIO: i32 = 5;
275 pub const ENXIO: i32 = 6;
276 pub const E2BIG: i32 = 7;
277 pub const ENOEXEC: i32 = 8;
278 pub const EBADF: i32 = 9;
279 pub const ECHILD: i32 = 10;
280 pub const EAGAIN: i32 = 11;
281 pub const ENOMEM: i32 = 12;
282 pub const EACCES: i32 = 13;
283 pub const EFAULT: i32 = 14;
284 pub const ENOTBLK: i32 = 15;
285 pub const EBUSY: i32 = 16;
286 pub const EEXIST: i32 = 17;
287 pub const EXDEV: i32 = 18;
288 pub const ENODEV: i32 = 19;
289 pub const ENOTDIR: i32 = 20;
290 pub const EISDIR: i32 = 21;
291 pub const EINVAL: i32 = 22;
292 pub const ENFILE: i32 = 23;
293 pub const EMFILE: i32 = 24;
294 pub const ENOTTY: i32 = 25;
295 pub const ETXTBSY: i32 = 26;
296 pub const EFBIG: i32 = 27;
297 pub const ENOSPC: i32 = 28;
298 pub const ESPIPE: i32 = 29;
299 pub const EROFS: i32 = 30;
300 pub const EMLINK: i32 = 31;
301 pub const EPIPE: i32 = 32;
302 pub const EDOM: i32 = 33;
303 pub const ERANGE: i32 = 34;
304 pub const EDEADLK: i32 = 35;
305 pub const ENAMETOOLONG: i32 = 36;
306 pub const ENOLCK: i32 = 37;
307 pub const ENOSYS: i32 = 38;
308 pub const ENOTEMPTY: i32 = 39;
309 pub const ELOOP: i32 = 40;
310 pub const EWOULDBLOCK: i32 = EAGAIN;
311 pub const ENOMSG: i32 = 42;
312 pub const EIDRM: i32 = 43;
313 pub const ECHRNG: i32 = 44;
314 pub const EL2NSYNC: i32 = 45;
315 pub const EL3HLT: i32 = 46;
316 pub const EL3RST: i32 = 47;
317 pub const ELNRNG: i32 = 48;
318 pub const EUNATCH: i32 = 49;
319 pub const ENOCSI: i32 = 50;
320 pub const EL2HLT: i32 = 51;
321 pub const EBADE: i32 = 52;
322 pub const EBADR: i32 = 53;
323 pub const EXFULL: i32 = 54;
324 pub const ENOANO: i32 = 55;
325 pub const EBADRQC: i32 = 56;
326 pub const EBADSLT: i32 = 57;
327 pub const EDEADLOCK: i32 = EDEADLK;
328 pub const EBFONT: i32 = 59;
329 pub const ENOSTR: i32 = 60;
330 pub const ENODATA: i32 = 61;
331 pub const ETIME: i32 = 62;
332 pub const ENOSR: i32 = 63;
333 pub const ENONET: i32 = 64;
334 pub const ENOPKG: i32 = 65;
335 pub const EREMOTE: i32 = 66;
336 pub const ENOLINK: i32 = 67;
337 pub const EADV: i32 = 68;
338 pub const ESRMNT: i32 = 69;
339 pub const ECOMM: i32 = 70;
340 pub const EPROTO: i32 = 71;
341 pub const EMULTIHOP: i32 = 72;
342 pub const EDOTDOT: i32 = 73;
343 pub const EBADMSG: i32 = 74;
344 pub const EOVERFLOW: i32 = 75;
345 pub const ENOTUNIQ: i32 = 76;
346 pub const EBADFD: i32 = 77;
347 pub const EREMCHG: i32 = 78;
348 pub const ELIBACC: i32 = 79;
349 pub const ELIBBAD: i32 = 80;
350 pub const ELIBSCN: i32 = 81;
351 pub const ELIBMAX: i32 = 82;
352 pub const ELIBEXEC: i32 = 83;
353 pub const EILSEQ: i32 = 84;
354 pub const ERESTART: i32 = 85;
355 pub const ESTRPIPE: i32 = 86;
356 pub const EUSERS: i32 = 87;
357 pub const ENOTSOCK: i32 = 88;
358 pub const EDESTADDRREQ: i32 = 89;
359 pub const EMSGSIZE: i32 = 90;
360 pub const EPROTOTYPE: i32 = 91;
361 pub const ENOPROTOOPT: i32 = 92;
362 pub const EPROTONOSUPPORT: i32 = 93;
363 pub const ESOCKTNOSUPPORT: i32 = 94;
364 pub const EOPNOTSUPP: i32 = 95;
365 pub const EPFNOSUPPORT: i32 = 96;
366 pub const EAFNOSUPPORT: i32 = 97;
367 pub const EADDRINUSE: i32 = 98;
368 pub const EADDRNOTAVAIL: i32 = 99;
369 pub const ENETDOWN: i32 = 100;
370 pub const ENETUNREACH: i32 = 101;
371 pub const ENETRESET: i32 = 102;
372 pub const ECONNABORTED: i32 = 103;
373 pub const ECONNRESET: i32 = 104;
374 pub const ENOBUFS: i32 = 105;
375 pub const EISCONN: i32 = 106;
376 pub const ENOTCONN: i32 = 107;
377 pub const ESHUTDOWN: i32 = 108;
378 pub const ETOOMANYREFS: i32 = 109;
379 pub const ETIMEDOUT: i32 = 110;
380 pub const ECONNREFUSED: i32 = 111;
381 pub const EHOSTDOWN: i32 = 112;
382 pub const EHOSTUNREACH: i32 = 113;
383 pub const EALREADY: i32 = 114;
384 pub const EINPROGRESS: i32 = 115;
385 pub const ESTALE: i32 = 116;
386 pub const EUCLEAN: i32 = 117;
387 pub const ENOTNAM: i32 = 118;
388 pub const ENAVAIL: i32 = 119;
389 pub const EISNAM: i32 = 120;
390 pub const EREMOTEIO: i32 = 121;
391 pub const EDQUOT: i32 = 122;
392 pub const ENOMEDIUM: i32 = 123;
393 pub const EMEDIUMTYPE: i32 = 124;
394 pub const ECANCELED: i32 = 125;
395 pub const ENOKEY: i32 = 126;
396 pub const EKEYEXPIRED: i32 = 127;
397 pub const EKEYREVOKED: i32 = 128;
398 pub const EKEYREJECTED: i32 = 129;
399 pub const EOWNERDEAD: i32 = 130;
400 pub const ENOTRECOVERABLE: i32 = 131;
401 pub const ERFKILL: i32 = 132;
402 pub const EHWPOISON: i32 = 133;
403 
404 extern "C" {
405     #[link_name = "sys_alloc"]
alloc(size: usize, align: usize) -> *mut u8406     pub fn alloc(size: usize, align: usize) -> *mut u8;
407 
408     #[link_name = "sys_alloc_zeroed"]
alloc_zeroed(size: usize, align: usize) -> *mut u8409     pub fn alloc_zeroed(size: usize, align: usize) -> *mut u8;
410 
411     #[link_name = "sys_realloc"]
realloc(ptr: *mut u8, size: usize, align: usize, new_size: usize) -> *mut u8412     pub fn realloc(ptr: *mut u8, size: usize, align: usize, new_size: usize) -> *mut u8;
413 
414     #[link_name = "sys_dealloc"]
dealloc(ptr: *mut u8, size: usize, align: usize)415     pub fn dealloc(ptr: *mut u8, size: usize, align: usize);
416 
417     #[link_name = "sys_exit"]
exit(status: i32) -> !418     pub fn exit(status: i32) -> !;
419 
420     #[link_name = "sys_abort"]
abort() -> !421     pub fn abort() -> !;
422 
423     #[link_name = "sys_errno"]
errno() -> i32424     pub fn errno() -> i32;
425 
426     #[link_name = "sys_clock_gettime"]
clock_gettime(clockid: clockid_t, tp: *mut timespec) -> i32427     pub fn clock_gettime(clockid: clockid_t, tp: *mut timespec) -> i32;
428 
429     #[link_name = "sys_nanosleep"]
nanosleep(req: *const timespec) -> i32430     pub fn nanosleep(req: *const timespec) -> i32;
431 
432     #[link_name = "sys_available_parallelism"]
available_parallelism() -> usize433     pub fn available_parallelism() -> usize;
434 
435     #[link_name = "sys_futex_wait"]
futex_wait( address: *mut u32, expected: u32, timeout: *const timespec, flags: u32, ) -> i32436     pub fn futex_wait(
437         address: *mut u32,
438         expected: u32,
439         timeout: *const timespec,
440         flags: u32,
441     ) -> i32;
442 
443     #[link_name = "sys_futex_wake"]
futex_wake(address: *mut u32, count: i32) -> i32444     pub fn futex_wake(address: *mut u32, count: i32) -> i32;
445 
446     #[link_name = "sys_stat"]
stat(path: *const c_char, stat: *mut stat) -> i32447     pub fn stat(path: *const c_char, stat: *mut stat) -> i32;
448 
449     #[link_name = "sys_fstat"]
fstat(fd: i32, stat: *mut stat) -> i32450     pub fn fstat(fd: i32, stat: *mut stat) -> i32;
451 
452     #[link_name = "sys_lstat"]
lstat(path: *const c_char, stat: *mut stat) -> i32453     pub fn lstat(path: *const c_char, stat: *mut stat) -> i32;
454 
455     #[link_name = "sys_open"]
open(path: *const c_char, flags: i32, mode: mode_t) -> i32456     pub fn open(path: *const c_char, flags: i32, mode: mode_t) -> i32;
457 
458     #[link_name = "sys_unlink"]
unlink(path: *const c_char) -> i32459     pub fn unlink(path: *const c_char) -> i32;
460 
461     #[link_name = "sys_mkdir"]
mkdir(path: *const c_char, mode: mode_t) -> i32462     pub fn mkdir(path: *const c_char, mode: mode_t) -> i32;
463 
464     #[link_name = "sys_rmdir"]
rmdir(path: *const c_char) -> i32465     pub fn rmdir(path: *const c_char) -> i32;
466 
467     #[link_name = "sys_read"]
read(fd: i32, buf: *mut u8, len: usize) -> isize468     pub fn read(fd: i32, buf: *mut u8, len: usize) -> isize;
469 
470     #[link_name = "sys_write"]
write(fd: i32, buf: *const u8, len: usize) -> isize471     pub fn write(fd: i32, buf: *const u8, len: usize) -> isize;
472 
473     #[link_name = "sys_readv"]
readv(fd: i32, iov: *const iovec, iovcnt: usize) -> isize474     pub fn readv(fd: i32, iov: *const iovec, iovcnt: usize) -> isize;
475 
476     #[link_name = "sys_writev"]
writev(fd: i32, iov: *const iovec, iovcnt: usize) -> isize477     pub fn writev(fd: i32, iov: *const iovec, iovcnt: usize) -> isize;
478 
479     #[link_name = "sys_close"]
close(fd: i32) -> i32480     pub fn close(fd: i32) -> i32;
481 
482     #[link_name = "sys_dup"]
dup(fd: i32) -> i32483     pub fn dup(fd: i32) -> i32;
484 
485     #[link_name = "sys_fcntl"]
fcntl(fd: i32, cmd: i32, arg: i32) -> i32486     pub fn fcntl(fd: i32, cmd: i32, arg: i32) -> i32;
487 
488     #[link_name = "sys_getdents64"]
getdents64(fd: i32, dirp: *mut dirent64, count: usize) -> isize489     pub fn getdents64(fd: i32, dirp: *mut dirent64, count: usize) -> isize;
490 
491     #[link_name = "sys_getaddrinfo"]
getaddrinfo( nodename: *const c_char, servname: *const c_char, hints: *const addrinfo, res: *mut *mut addrinfo, ) -> i32492     pub fn getaddrinfo(
493         nodename: *const c_char,
494         servname: *const c_char,
495         hints: *const addrinfo,
496         res: *mut *mut addrinfo,
497     ) -> i32;
498 
499     #[link_name = "sys_freeaddrinfo"]
freeaddrinfo(ai: *mut addrinfo)500     pub fn freeaddrinfo(ai: *mut addrinfo);
501 
502     #[link_name = "sys_socket"]
socket(domain: i32, ty: i32, protocol: i32) -> i32503     pub fn socket(domain: i32, ty: i32, protocol: i32) -> i32;
504 
505     #[link_name = "sys_bind"]
bind(sockfd: i32, addr: *const sockaddr, addrlen: socklen_t) -> i32506     pub fn bind(sockfd: i32, addr: *const sockaddr, addrlen: socklen_t) -> i32;
507 
508     #[link_name = "sys_listen"]
listen(sockfd: i32, backlog: i32) -> i32509     pub fn listen(sockfd: i32, backlog: i32) -> i32;
510 
511     #[link_name = "sys_accept"]
accept(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32512     pub fn accept(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32;
513 
514     #[link_name = "sys_connect"]
connect(sockfd: i32, addr: *const sockaddr, addrlen: socklen_t) -> i32515     pub fn connect(sockfd: i32, addr: *const sockaddr, addrlen: socklen_t) -> i32;
516 
517     #[link_name = "sys_recv"]
recv(sockfd: i32, buf: *mut u8, len: usize, flags: i32) -> isize518     pub fn recv(sockfd: i32, buf: *mut u8, len: usize, flags: i32) -> isize;
519 
520     #[link_name = "sys_recvfrom"]
recvfrom( sockfd: i32, buf: *mut c_void, len: usize, flags: i32, addr: *mut sockaddr, addrlen: *mut socklen_t, ) -> isize521     pub fn recvfrom(
522         sockfd: i32,
523         buf: *mut c_void,
524         len: usize,
525         flags: i32,
526         addr: *mut sockaddr,
527         addrlen: *mut socklen_t,
528     ) -> isize;
529 
530     #[link_name = "sys_send"]
send(sockfd: i32, buf: *const c_void, len: usize, flags: i32) -> isize531     pub fn send(sockfd: i32, buf: *const c_void, len: usize, flags: i32) -> isize;
532 
533     #[link_name = "sys_sendto"]
sendto( sockfd: i32, buf: *const c_void, len: usize, flags: i32, to: *const sockaddr, tolen: socklen_t, ) -> isize534     pub fn sendto(
535         sockfd: i32,
536         buf: *const c_void,
537         len: usize,
538         flags: i32,
539         to: *const sockaddr,
540         tolen: socklen_t,
541     ) -> isize;
542 
543     #[link_name = "sys_getpeername"]
getpeername(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32544     pub fn getpeername(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32;
545 
546     #[link_name = "sys_getsockname"]
getsockname(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32547     pub fn getsockname(sockfd: i32, addr: *mut sockaddr, addrlen: *mut socklen_t) -> i32;
548 
549     #[link_name = "sys_getsockopt"]
getsockopt( sockfd: i32, level: i32, optname: i32, optval: *mut c_void, optlen: *mut socklen_t, ) -> i32550     pub fn getsockopt(
551         sockfd: i32,
552         level: i32,
553         optname: i32,
554         optval: *mut c_void,
555         optlen: *mut socklen_t,
556     ) -> i32;
557 
558     #[link_name = "sys_setsockopt"]
setsockopt( sockfd: i32, level: i32, optname: i32, optval: *const c_void, optlen: socklen_t, ) -> i32559     pub fn setsockopt(
560         sockfd: i32,
561         level: i32,
562         optname: i32,
563         optval: *const c_void,
564         optlen: socklen_t,
565     ) -> i32;
566 
567     #[link_name = "sys_ioctl"]
ioctl(sockfd: i32, cmd: i32, argp: *mut c_void) -> i32568     pub fn ioctl(sockfd: i32, cmd: i32, argp: *mut c_void) -> i32;
569 
570     #[link_name = "sys_shutdown"]
shutdown(sockfd: i32, how: i32) -> i32571     pub fn shutdown(sockfd: i32, how: i32) -> i32;
572 
573     #[link_name = "sys_eventfd"]
eventfd(initval: u64, flags: i16) -> i32574     pub fn eventfd(initval: u64, flags: i16) -> i32;
575 
576     #[link_name = "sys_poll"]
poll(fds: *mut pollfd, nfds: nfds_t, timeout: i32) -> i32577     pub fn poll(fds: *mut pollfd, nfds: nfds_t, timeout: i32) -> i32;
578 }
579 
580 pub use ffi::c_void;
581