libpam: Play some 4D chess for static pam modules support.
[dragonfly.git] / include / unistd.h
blob906ef75b1d8d638332495903dab368febe50812c
1 /*-
2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
29 * @(#)unistd.h 8.12 (Berkeley) 4/27/95
30 * $FreeBSD: src/include/unistd.h,v 1.93 2009/03/14 19:11:08 das Exp $
33 #ifndef _UNISTD_H_
34 #define _UNISTD_H_
36 #include <sys/cdefs.h>
37 #include <sys/types.h> /* XXX adds too much pollution. */
38 #include <sys/unistd.h>
39 #include <sys/_null.h>
41 #ifndef _GID_T_DECLARED
42 typedef __uint32_t gid_t; /* XXX __gid_t */
43 #define _GID_T_DECLARED
44 #endif
46 #ifndef _OFF_T_DECLARED
47 typedef __off_t off_t;
48 #define _OFF_T_DECLARED
49 #endif
51 #ifndef _PID_T_DECLARED
52 typedef __pid_t pid_t;
53 #define _PID_T_DECLARED
54 #endif
56 #ifndef _SIZE_T_DECLARED
57 typedef __size_t size_t; /* _GCC_SIZE_T OK */
58 #define _SIZE_T_DECLARED
59 #endif
61 #ifndef _SSIZE_T_DECLARED
62 typedef __ssize_t ssize_t;
63 #define _SSIZE_T_DECLARED
64 #endif
66 #ifndef _UID_T_DECLARED
67 typedef __uint32_t uid_t; /* XXX __uid_t */
68 #define _UID_T_DECLARED
69 #endif
71 #define STDIN_FILENO 0 /* standard input file descriptor */
72 #define STDOUT_FILENO 1 /* standard output file descriptor */
73 #define STDERR_FILENO 2 /* standard error file descriptor */
75 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
76 #define F_ULOCK 0 /* unlock locked section */
77 #define F_LOCK 1 /* lock a section for exclusive use */
78 #define F_TLOCK 2 /* test and lock a section for exclusive use */
79 #define F_TEST 3 /* test a section for locks by other procs */
80 #endif
83 * POSIX options and option groups we unconditionally do or don't
84 * implement. This list includes those options which are exclusively
85 * implemented (or not) in user mode. Please keep this list in
86 * alphabetical order.
88 * Anything which is defined as zero below **must** have an
89 * implementation for the corresponding sysconf() which is able to
90 * determine conclusively whether or not the feature is supported.
91 * Anything which is defined as other than -1 below **must** have
92 * complete headers, types, and function declarations as specified by
93 * the POSIX standard; however, if the relevant sysconf() function
94 * returns -1, the functions may be stubbed out.
96 #define _POSIX_READER_WRITER_LOCKS 200112L
97 #define _POSIX_REGEXP 1 /* mandatory */
98 #define _POSIX_SHELL 1 /* mandatory */
99 #define _POSIX_SPAWN 200112L /* [SPN] */
100 #define _POSIX_THREAD_ATTR_STACKADDR 200112L /* [TSA] */
101 #define _POSIX_THREAD_ATTR_STACKSIZE 200112L /* [TSS] */
102 #define _POSIX_THREAD_PRIO_INHERIT 200112L /* [TPI] */
103 #define _POSIX_THREAD_PRIO_PROTECT 200112L /* [TPP] */
104 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L /* [TPS] */
105 #define _POSIX_THREAD_PROCESS_SHARED -1 /* [TSH] */
106 #define _POSIX_THREAD_ROBUST_PRIO_INHERIT -1 /* [RPI] */
107 #define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1 /* [RPP] */
108 #define _POSIX_THREAD_SAFE_FUNCTIONS -1
109 #define _POSIX_THREAD_SPORADIC_SERVER -1 /* [TSP] */
110 #define _POSIX_THREADS 200112L
111 #define _POSIX_TRACE -1 /* [TRC] obsolescent */
112 #define _POSIX_TRACE_EVENT_FILTER -1 /* [TEF] obsolescent */
113 #define _POSIX_TRACE_INHERIT -1 /* [TRI] obsolescent */
114 #define _POSIX_TRACE_LOG -1 /* [TRL] obsolescent */
116 #define _POSIX2_C_BIND 200809L /* mandatory */
117 #define _POSIX2_C_DEV 200809L /* [CD] */
118 #define _POSIX2_CHAR_TERM 1
119 #define _POSIX2_FORT_DEV -1 /* [FD] need fort77 utility */
120 #define _POSIX2_FORT_RUN 200809L /* [FR] */
121 #define _POSIX2_LOCALEDEF 200809L
122 #define _POSIX2_PBS -1 /* [BE] obsolescent */
123 #define _POSIX2_PBS_ACCOUNTING -1 /* [BE] obsolescent */
124 #define _POSIX2_PBS_CHECKPOINT -1 /* [BE] obsolescent */
125 #define _POSIX2_PBS_LOCATE -1 /* [BE] obsolescent */
126 #define _POSIX2_PBS_MESSAGE -1 /* [BE] obsolescent */
127 #define _POSIX2_PBS_TRACK -1 /* [BE] obsolescent */
128 #define _POSIX2_SW_DEV 200809L /* [SD] */
129 #define _POSIX2_UPE 200809L /* [UP] */
131 #define _V6_ILP32_OFF32 -1
132 #define _V6_ILP32_OFFBIG 0
133 #define _V6_LP64_OFF64 0
134 #define _V6_LPBIG_OFFBIG -1
136 #define _V7_ILP32_OFF32 -1
137 #define _V7_ILP32_OFFBIG 0
138 #define _V7_LP64_OFF64 0
139 #define _V7_LPBIG_OFFBIG -1
141 #if __XSI_VISIBLE
142 #define _XOPEN_CRYPT -1 /* XXX ??? */
143 #define _XOPEN_ENH_I18N -1 /* mandatory in XSI */
144 #define _XOPEN_LEGACY -1
145 #define _XOPEN_REALTIME -1
146 #define _XOPEN_REALTIME_THREADS -1
147 #define _XOPEN_UNIX -1
148 #endif
150 /* Define the POSIX.2 version we target for compliance. */
151 #define _POSIX2_VERSION 199212L
154 * POSIX-style system configuration variable accessors (for the
155 * sysconf function). The kernel does not directly implement the
156 * sysconf() interface; rather, a C library stub translates references
157 * to sysconf() into calls to sysctl() using a giant switch statement.
158 * Those that are marked `user' are implemented entirely in the C
159 * library and never query the kernel. pathconf() is implemented
160 * directly by the kernel so those are not defined here.
162 #define _SC_ARG_MAX 1
163 #define _SC_CHILD_MAX 2
164 #define _SC_CLK_TCK 3
165 #define _SC_NGROUPS_MAX 4
166 #define _SC_OPEN_MAX 5
167 #define _SC_JOB_CONTROL 6
168 #define _SC_SAVED_IDS 7
169 #define _SC_VERSION 8
170 #define _SC_BC_BASE_MAX 9 /* user */
171 #define _SC_BC_DIM_MAX 10 /* user */
172 #define _SC_BC_SCALE_MAX 11 /* user */
173 #define _SC_BC_STRING_MAX 12 /* user */
174 #define _SC_COLL_WEIGHTS_MAX 13 /* user */
175 #define _SC_EXPR_NEST_MAX 14 /* user */
176 #define _SC_LINE_MAX 15 /* user */
177 #define _SC_RE_DUP_MAX 16 /* user */
178 #define _SC_2_VERSION 17 /* user */
179 #define _SC_2_C_BIND 18 /* user */
180 #define _SC_2_C_DEV 19 /* user */
181 #define _SC_2_CHAR_TERM 20 /* user */
182 #define _SC_2_FORT_DEV 21 /* user */
183 #define _SC_2_FORT_RUN 22 /* user */
184 #define _SC_2_LOCALEDEF 23 /* user */
185 #define _SC_2_SW_DEV 24 /* user */
186 #define _SC_2_UPE 25 /* user */
187 #define _SC_STREAM_MAX 26 /* user */
188 #define _SC_TZNAME_MAX 27 /* user */
190 #if __POSIX_VISIBLE >= 199309
191 #define _SC_ASYNCHRONOUS_IO 28
192 #define _SC_MAPPED_FILES 29
193 #define _SC_MEMLOCK 30
194 #define _SC_MEMLOCK_RANGE 31
195 #define _SC_MEMORY_PROTECTION 32
196 #define _SC_MESSAGE_PASSING 33
197 #define _SC_PRIORITIZED_IO 34
198 #define _SC_PRIORITY_SCHEDULING 35
199 #define _SC_REALTIME_SIGNALS 36
200 #define _SC_SEMAPHORES 37
201 #define _SC_FSYNC 38
202 #define _SC_SHARED_MEMORY_OBJECTS 39
203 #define _SC_SYNCHRONIZED_IO 40
204 #define _SC_TIMERS 41
205 #define _SC_AIO_LISTIO_MAX 42
206 #define _SC_AIO_MAX 43
207 #define _SC_AIO_PRIO_DELTA_MAX 44
208 #define _SC_DELAYTIMER_MAX 45
209 #define _SC_MQ_OPEN_MAX 46
210 #define _SC_PAGESIZE 47
211 #define _SC_RTSIG_MAX 48
212 #define _SC_SEM_NSEMS_MAX 49
213 #define _SC_SEM_VALUE_MAX 50
214 #define _SC_SIGQUEUE_MAX 51
215 #define _SC_TIMER_MAX 52
216 #endif
218 #if __POSIX_VISIBLE >= 200112
219 #define _SC_2_PBS 59 /* user */
220 #define _SC_2_PBS_ACCOUNTING 60 /* user */
221 #define _SC_2_PBS_CHECKPOINT 61 /* user */
222 #define _SC_2_PBS_LOCATE 62 /* user */
223 #define _SC_2_PBS_MESSAGE 63 /* user */
224 #define _SC_2_PBS_TRACK 64 /* user */
225 #define _SC_ADVISORY_INFO 65
226 #define _SC_BARRIERS 66 /* user */
227 #define _SC_CLOCK_SELECTION 67
228 #define _SC_CPUTIME 68
229 #define _SC_FILE_LOCKING 69
230 #define _SC_GETGR_R_SIZE_MAX 70 /* user */
231 #define _SC_GETPW_R_SIZE_MAX 71 /* user */
232 #define _SC_HOST_NAME_MAX 72
233 #define _SC_LOGIN_NAME_MAX 73
234 #define _SC_MONOTONIC_CLOCK 74
235 #define _SC_MQ_PRIO_MAX 75
236 #define _SC_READER_WRITER_LOCKS 76 /* user */
237 #define _SC_REGEXP 77 /* user */
238 #define _SC_SHELL 78 /* user */
239 #define _SC_SPAWN 79 /* user */
240 #define _SC_SPIN_LOCKS 80 /* user */
241 #define _SC_SPORADIC_SERVER 81
242 #define _SC_THREAD_ATTR_STACKADDR 82 /* user */
243 #define _SC_THREAD_ATTR_STACKSIZE 83 /* user */
244 #define _SC_THREAD_CPUTIME 84 /* user */
245 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */
246 #define _SC_THREAD_KEYS_MAX 86 /* user */
247 #define _SC_THREAD_PRIO_INHERIT 87 /* user */
248 #define _SC_THREAD_PRIO_PROTECT 88 /* user */
249 #define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */
250 #define _SC_THREAD_PROCESS_SHARED 90 /* user */
251 #define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */
252 #define _SC_THREAD_SPORADIC_SERVER 92 /* user */
253 #define _SC_THREAD_STACK_MIN 93 /* user */
254 #define _SC_THREAD_THREADS_MAX 94 /* user */
255 #define _SC_TIMEOUTS 95 /* user */
256 #define _SC_THREADS 96 /* user */
257 #define _SC_TRACE 97 /* user */
258 #define _SC_TRACE_EVENT_FILTER 98 /* user */
259 #define _SC_TRACE_INHERIT 99 /* user */
260 #define _SC_TRACE_LOG 100 /* user */
261 #define _SC_TTY_NAME_MAX 101 /* user */
262 #define _SC_TYPED_MEMORY_OBJECTS 102
263 #define _SC_V6_ILP32_OFF32 103 /* user */
264 #define _SC_V6_ILP32_OFFBIG 104 /* user */
265 #define _SC_V6_LP64_OFF64 105 /* user */
266 #define _SC_V6_LPBIG_OFFBIG 106 /* user */
267 #define _SC_IPV6 118
268 #define _SC_RAW_SOCKETS 119
269 #define _SC_SYMLOOP_MAX 120
270 #endif
272 #if __XSI_VISIBLE
273 #define _SC_ATEXIT_MAX 107 /* user */
274 #define _SC_IOV_MAX 56
275 #define _SC_PAGE_SIZE _SC_PAGESIZE
276 #define _SC_XOPEN_CRYPT 108 /* user */
277 #define _SC_XOPEN_ENH_I18N 109 /* user */
278 #define _SC_XOPEN_LEGACY 110 /* user */
279 #define _SC_XOPEN_REALTIME 111
280 #define _SC_XOPEN_REALTIME_THREADS 112
281 #define _SC_XOPEN_SHM 113
282 #define _SC_XOPEN_STREAMS 114
283 #define _SC_XOPEN_UNIX 115
284 #define _SC_XOPEN_VERSION 116
285 #define _SC_XOPEN_XCU_VERSION 117 /* user */
286 #endif
288 #if __BSD_VISIBLE
289 #define _SC_NPROCESSORS_CONF 57
290 #define _SC_NPROCESSORS_ONLN 58
291 #endif
293 /* Extensions found in Solaris and Linux. */
294 #define _SC_PHYS_PAGES 121
296 #if __POSIX_VISIBLE >= 200809
297 #define _SC_V7_ILP32_OFF32 122 /* user */
298 #define _SC_V7_ILP32_OFFBIG 123 /* user */
299 #define _SC_V7_LP64_OFF64 124 /* user */
300 #define _SC_V7_LPBIG_OFFBIG 125 /* user */
301 #define _SC_THREAD_ROBUST_PRIO_INHERIT 126 /* user */
302 #define _SC_THREAD_ROBUST_PRIO_PROTECT 127 /* user */
303 #endif
305 /* Keys for the confstr(3) function. */
306 #if __POSIX_VISIBLE >= 199209
307 #define _CS_PATH 1 /* default value of PATH */
308 #endif
310 #if __POSIX_VISIBLE >= 200112
311 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2
312 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3
313 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 4
314 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5
315 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6
316 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7
317 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8
318 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9
319 #define _CS_POSIX_V6_LP64_OFF64_LIBS 10
320 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11
321 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12
322 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13
323 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14
324 #endif
326 #if __POSIX_VISIBLE >= 200809
327 #define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 15
328 #define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 16
329 #define _CS_POSIX_V7_ILP32_OFF32_LIBS 17
330 #define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 18
331 #define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 19
332 #define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 20
333 #define _CS_POSIX_V7_LP64_OFF64_CFLAGS 21
334 #define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 22
335 #define _CS_POSIX_V7_LP64_OFF64_LIBS 23
336 #define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 24
337 #define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 25
338 #define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 26
339 #define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 27
340 #endif
342 __BEGIN_DECLS
343 /* 1003.1-1990 */
344 void _exit(int) __dead2;
345 int access(const char *, int);
346 unsigned int alarm(unsigned int);
347 int chdir(const char *);
348 int chown(const char *, uid_t, gid_t);
349 int close(int);
350 int dup(int);
351 int dup2(int, int);
352 #if __BSD_VISIBLE
353 int eaccess(const char *, int);
354 #endif
355 int execl(const char *, const char *, ...);
356 int execle(const char *, const char *, ...);
357 int execlp(const char *, const char *, ...);
358 int execv(const char *, char * const *);
359 int execve(const char *, char * const *, char * const *);
360 int execvp(const char *, char * const *);
361 pid_t fork(void);
362 long fpathconf(int, int);
363 char *getcwd(char *, size_t);
364 gid_t getegid(void);
365 uid_t geteuid(void);
366 gid_t getgid(void);
367 int getgroups(int, gid_t []);
368 char *getlogin(void);
369 pid_t getpgrp(void);
370 pid_t getpid(void);
371 pid_t getppid(void);
372 uid_t getuid(void);
373 int isatty(int);
374 int link(const char *, const char *);
375 #ifndef _LSEEK_DECLARED
376 #define _LSEEK_DECLARED
377 off_t lseek(int, off_t, int);
378 #endif
379 long pathconf(const char *, int);
380 int pause(void);
381 int pipe(int *);
382 int pipe2(int *, int);
383 ssize_t read(int, void *, size_t);
384 int rmdir(const char *);
385 int setgid(gid_t);
386 int setpgid(pid_t, pid_t);
387 pid_t setsid(void);
388 int setuid(uid_t);
389 unsigned int sleep(unsigned int);
390 long sysconf(int);
391 pid_t tcgetpgrp(int);
392 int tcsetpgrp(int, pid_t);
393 char *ttyname(int);
394 int ttyname_r(int, char *, size_t);
395 int unlink(const char *);
396 ssize_t write(int, const void *, size_t);
398 /* 1003.2-1992 */
399 #if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE
400 size_t confstr(int, char *, size_t);
401 #ifndef _GETOPT_DECLARED
402 #define _GETOPT_DECLARED
403 int getopt(int, char * const [], const char *);
405 extern char *optarg; /* getopt(3) external variables */
406 extern int optind, opterr, optopt;
407 #endif /* _GETOPT_DECLARED */
408 #endif
410 /* ISO/IEC 9945-1: 1996 */
411 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
412 int fsync(int);
415 * ftruncate() was in the POSIX Realtime Extension (it's used for shared
416 * memory), but truncate() was not.
418 #ifndef _FTRUNCATE_DECLARED
419 #define _FTRUNCATE_DECLARED
420 int ftruncate(int, off_t);
421 #endif
422 #endif
424 #if __POSIX_VISIBLE >= 199506
425 int getlogin_r(char *, int);
426 #endif
428 /* 1003.1-2001 */
429 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
430 int fchown(int, uid_t, gid_t);
431 ssize_t readlink(const char * __restrict, char * __restrict, size_t);
432 #endif
433 #if __POSIX_VISIBLE >= 200112
434 int gethostname(char *, size_t);
435 int setegid(gid_t);
436 int seteuid(uid_t);
437 #endif
439 /* 1003.1-2008 */
440 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
441 int getsid(pid_t _pid);
442 int fchdir(int);
443 int getpgid(pid_t _pid);
444 int lchown(const char *, uid_t, gid_t);
445 #ifndef _MKDTEMP_DECLARED
446 char *mkdtemp(char *);
447 #define _MKDTEMP_DECLARED
448 #endif
449 #ifndef _MKSTEMP_DECLARED
450 int mkstemp(char *);
451 #define _MKSTEMP_DECLARED
452 #endif
453 ssize_t pread(int, void *, size_t, off_t);
454 ssize_t pwrite(int, const void *, size_t, off_t);
456 /* See comment at ftruncate() above. */
457 #ifndef _TRUNCATE_DECLARED
458 #define _TRUNCATE_DECLARED
459 int truncate(const char *, off_t);
460 #endif
461 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
463 #if __POSIX_VISIBLE >= 200809
464 int faccessat(int, const char *, int, int);
465 int fchownat(int, const char *, uid_t, gid_t, int);
466 #if 0
467 int fexecve(int, char *const [], char *const []);
468 #endif
469 int linkat(int, const char *, int, const char *, int);
470 ssize_t readlinkat(int, const char * __restrict, char * __restrict, size_t);
471 int symlinkat(const char *, int, const char *);
472 int unlinkat(int, const char *, int);
473 #endif /* __POSIX_VISIBLE >= 200809 */
476 * symlink() was originally in POSIX.1a, which was withdrawn after
477 * being overtaken by events (1003.1-2001). It was in XPG4.2, and of
478 * course has been in BSD since 4.2.
480 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402
481 int symlink(const char * __restrict, const char * __restrict);
482 #endif
484 /* X/Open System Interfaces */
485 #if __XSI_VISIBLE
486 char *crypt(const char *, const char *);
487 /* char *ctermid(char *); */ /* XXX ??? */
488 int encrypt(char *, int);
489 long gethostid(void);
490 int lockf(int, int, off_t);
491 int nice(int);
492 int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
493 int setregid(gid_t, gid_t);
494 int setreuid(uid_t, uid_t);
496 #ifndef _SWAB_DECLARED
497 #define _SWAB_DECLARED
498 void swab(const void * __restrict, void * __restrict, ssize_t);
499 #endif /* _SWAB_DECLARED */
501 void sync(void);
503 #endif /* __XSI_VISIBLE */
505 #if (__XSI_VISIBLE && __XSI_VISIBLE <= 500) || __BSD_VISIBLE
506 int brk(const void *);
507 int chroot(const char *);
508 int chroot_kernel(const char *);
509 int getdtablesize(void);
510 int getpagesize(void) __pure2;
511 char *getpass(const char *);
512 void *sbrk(intptr_t);
513 #endif
515 #if (__XSI_VISIBLE && __XSI_VISIBLE <= 600) || __BSD_VISIBLE
516 char *getwd(char *); /* LEGACY (obsoleted by getcwd()) */
517 unsigned int
518 ualarm(unsigned int, unsigned int);
519 int usleep(unsigned int);
520 pid_t vfork(void) __returns_twice;
521 #endif
523 #if __BSD_VISIBLE
524 struct iovec;
525 int acct(const char *);
526 int async_daemon(void);
527 int closefrom(int);
528 const char *
529 crypt_get_format(void);
530 int crypt_set_format(const char *);
531 void endusershell(void);
532 int exect(const char *, char * const *, char * const *);
533 int execvP(const char *, const char *, char * const *);
534 void extexit(int, int, void *);
535 ssize_t extpread(int, void *, size_t, int, off_t);
536 ssize_t extpreadv(int, const struct iovec *, u_int, int, off_t);
537 ssize_t extpwrite(int, const void *, size_t, int, off_t);
538 ssize_t extpwritev(int, const struct iovec *, u_int, int, off_t);
539 char *fflagstostr(u_long);
540 int getdomainname(char *, int);
541 int getgrouplist(const char *, gid_t, gid_t *, int *);
542 mode_t getmode(const void *, mode_t);
543 int getosreldate(void);
544 int getpeereid(int, uid_t *, gid_t *);
545 int getresgid(gid_t *, gid_t *, gid_t *);
546 int getresuid(uid_t *, uid_t *, uid_t *);
547 char *getusershell(void);
548 int initgroups(const char *, gid_t);
549 int iruserok(unsigned long, int, const char *, const char *);
550 int iruserok_sa(const void *, int, int, const char *, const char *);
551 int issetugid(void);
552 long lpathconf(const char *, int);
553 #ifndef _LWP_GETTID_DECLARED
554 lwpid_t lwp_gettid(void);
555 #define _LWP_GETTID_DECLARED
556 #endif
557 #ifndef _LWP_SETNAME_DECLARED
558 int lwp_setname(lwpid_t, const char *);
559 #define _LWP_SETNAME_DECLARED
560 #endif
561 #ifndef _MKNOD_DECLARED
562 int mknod(const char *, mode_t, dev_t);
563 #define _MKNOD_DECLARED
564 #endif
565 int mkstemps(char *, int);
566 #ifndef _MKTEMP_DECLARED
567 char *mktemp(char *);
568 #define _MKTEMP_DECLARED
569 #endif
570 int nfssvc(int, void *);
571 int profil(char *, size_t, vm_offset_t, int);
572 int rcmd(char **, int, const char *, const char *, const char *, int *);
573 int rcmd_af(char **, int, const char *, const char *, const char *, int *,
574 int);
575 int rcmdsh(char **, int, const char *, const char *, const char *,
576 const char *);
577 char *re_comp(const char *);
578 int re_exec(const char *);
579 int reboot(int);
580 int revoke(const char *);
581 pid_t rfork(int);
582 pid_t rfork_thread(int, void *, int (*)(void *), void *);
583 int rresvport(int *);
584 int rresvport_af(int *, int);
585 int ruserok(const char *, int, const char *, const char *);
586 int setdomainname(const char *, int);
587 int setgroups(int, const gid_t *);
588 void sethostid(long);
589 int sethostname(const char *, int);
590 int setlogin(const char *);
591 void *setmode(const char *);
592 void setproctitle(const char *_fmt, ...) __printf0like(1, 2);
593 int setresgid(gid_t, gid_t, gid_t);
594 int setresuid(uid_t, uid_t, uid_t);
595 int setrgid(gid_t);
596 int setruid(uid_t);
597 void setusershell(void);
598 int strtofflags(char **, u_long *, u_long *);
599 int swapoff(const char *);
600 int swapon(const char *);
601 int syscall(int, ...);
602 off_t __syscall(quad_t, ...);
603 int ttyslot(void);
604 int umtx_sleep(volatile const int *, int , int);
605 int umtx_wakeup(volatile const int *, int);
606 int undelete(const char *);
607 void *valloc(size_t); /* obsoleted by malloc() */
608 int varsym_get(int, const char *, char *, int);
609 int varsym_list(int, char *, int, int *);
610 int varsym_set(int, const char *, const char *);
612 #ifndef _OPTRESET_DECLARED
613 #define _OPTRESET_DECLARED
614 extern int optreset; /* getopt(3) external variable */
615 #endif
616 #endif /* __BSD_VISIBLE */
617 __END_DECLS
619 #endif /* !_UNISTD_H_ */