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root/midnightbsd-cvs/src/include/unistd.h
Revision: 1.5
Committed: Fri Mar 9 03:51:10 2012 UTC (12 years, 1 month ago) by laffer1
Content type: text/plain
Branch: MAIN
CVS Tags: HEAD
Changes since 1.4: +1 -0 lines
Log Message:
tag

File Contents

# Content
1 /*-
2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)unistd.h 8.12 (Berkeley) 4/27/95
34 * $FreeBSD: src/include/unistd.h,v 1.80 2006/12/14 21:42:03 pjd Exp $
35 * $MidnightBSD$
36 */
37
38 #ifndef _UNISTD_H_
39 #define _UNISTD_H_
40
41 #include <sys/cdefs.h>
42 #include <sys/types.h> /* XXX adds too much pollution. */
43 #include <sys/unistd.h>
44 #include <sys/_null.h>
45 #include <sys/_types.h>
46
47 #ifndef _GID_T_DECLARED
48 typedef __gid_t gid_t;
49 #define _GID_T_DECLARED
50 #endif
51
52 #ifndef _OFF_T_DECLARED
53 typedef __off_t off_t;
54 #define _OFF_T_DECLARED
55 #endif
56
57 #ifndef _PID_T_DECLARED
58 typedef __pid_t pid_t;
59 #define _PID_T_DECLARED
60 #endif
61
62 #ifndef _SIZE_T_DECLARED
63 typedef __size_t size_t;
64 #define _SIZE_T_DECLARED
65 #endif
66
67 #ifndef _SSIZE_T_DECLARED
68 typedef __ssize_t ssize_t;
69 #define _SSIZE_T_DECLARED
70 #endif
71
72 #ifndef _UID_T_DECLARED
73 typedef __uid_t uid_t;
74 #define _UID_T_DECLARED
75 #endif
76
77 #ifndef _USECONDS_T_DECLARED
78 typedef __useconds_t useconds_t;
79 #define _USECONDS_T_DECLARED
80 #endif
81
82 #define STDIN_FILENO 0 /* standard input file descriptor */
83 #define STDOUT_FILENO 1 /* standard output file descriptor */
84 #define STDERR_FILENO 2 /* standard error file descriptor */
85
86 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
87 #define F_ULOCK 0 /* unlock locked section */
88 #define F_LOCK 1 /* lock a section for exclusive use */
89 #define F_TLOCK 2 /* test and lock a section for exclusive use */
90 #define F_TEST 3 /* test a section for locks by other procs */
91 #endif
92
93 /*
94 * POSIX options and option groups we unconditionally do or don't
95 * implement. This list includes those options which are exclusively
96 * implemented (or not) in user mode. Please keep this list in
97 * alphabetical order.
98 *
99 * Anything which is defined as zero below **must** have an
100 * implementation for the corresponding sysconf() which is able to
101 * determine conclusively whether or not the feature is supported.
102 * Anything which is defined as other than -1 below **must** have
103 * complete headers, types, and function declarations as specified by
104 * the POSIX standard; however, if the relevant sysconf() function
105 * returns -1, the functions may be stubbed out.
106 */
107 #define _POSIX_BARRIERS 200112L
108 #define _POSIX_READER_WRITER_LOCKS 200112L
109 #define _POSIX_REGEXP 1
110 #define _POSIX_SHELL 1
111 #define _POSIX_SPAWN -1
112 #define _POSIX_SPIN_LOCKS 200112L
113 #define _POSIX_THREAD_ATTR_STACKADDR 200112L
114 #define _POSIX_THREAD_ATTR_STACKSIZE 200112L
115 #define _POSIX_THREAD_CPUTIME -1
116 #define _POSIX_THREAD_PRIO_INHERIT 200112L
117 #define _POSIX_THREAD_PRIO_PROTECT 200112L
118 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L
119 #define _POSIX_THREAD_PROCESS_SHARED -1
120 #define _POSIX_THREAD_SAFE_FUNCTIONS -1
121 #define _POSIX_THREAD_SPORADIC_SERVER -1
122 #define _POSIX_THREADS 200112L
123 #define _POSIX_TRACE -1
124 #define _POSIX_TRACE_EVENT_FILTER -1
125 #define _POSIX_TRACE_INHERIT -1
126 #define _POSIX_TRACE_LOG -1
127 #define _POSIX2_C_BIND 200112L /* mandatory */
128 #define _POSIX2_C_DEV -1 /* need c99 utility */
129 #define _POSIX2_CHAR_TERM 1
130 #define _POSIX2_FORT_DEV -1 /* need fort77 utility */
131 #define _POSIX2_FORT_RUN 200112L
132 #define _POSIX2_LOCALEDEF -1
133 #define _POSIX2_PBS -1
134 #define _POSIX2_PBS_ACCOUNTING -1
135 #define _POSIX2_PBS_CHECKPOINT -1
136 #define _POSIX2_PBS_LOCATE -1
137 #define _POSIX2_PBS_MESSAGE -1
138 #define _POSIX2_PBS_TRACK -1
139 #define _POSIX2_SW_DEV -1 /* XXX ??? */
140 #define _POSIX2_UPE 200112L
141 #define _V6_ILP32_OFF32 -1
142 #define _V6_ILP32_OFFBIG 0
143 #define _V6_LP64_OFF64 0
144 #define _V6_LPBIG_OFFBIG -1
145
146 #if __XSI_VISIBLE
147 #define _XOPEN_CRYPT -1 /* XXX ??? */
148 #define _XOPEN_ENH_I18N -1 /* mandatory in XSI */
149 #define _XOPEN_LEGACY -1
150 #define _XOPEN_REALTIME -1
151 #define _XOPEN_REALTIME_THREADS -1
152 #define _XOPEN_UNIX -1
153 #endif
154
155 /* Define the POSIX.2 version we target for compliance. */
156 #define _POSIX2_VERSION 199212L
157
158 /*
159 * POSIX-style system configuration variable accessors (for the
160 * sysconf function). The kernel does not directly implement the
161 * sysconf() interface; rather, a C library stub translates references
162 * to sysconf() into calls to sysctl() using a giant switch statement.
163 * Those that are marked `user' are implemented entirely in the C
164 * library and never query the kernel. pathconf() is implemented
165 * directly by the kernel so those are not defined here.
166 */
167 #define _SC_ARG_MAX 1
168 #define _SC_CHILD_MAX 2
169 #define _SC_CLK_TCK 3
170 #define _SC_NGROUPS_MAX 4
171 #define _SC_OPEN_MAX 5
172 #define _SC_JOB_CONTROL 6
173 #define _SC_SAVED_IDS 7
174 #define _SC_VERSION 8
175 #define _SC_BC_BASE_MAX 9 /* user */
176 #define _SC_BC_DIM_MAX 10 /* user */
177 #define _SC_BC_SCALE_MAX 11 /* user */
178 #define _SC_BC_STRING_MAX 12 /* user */
179 #define _SC_COLL_WEIGHTS_MAX 13 /* user */
180 #define _SC_EXPR_NEST_MAX 14 /* user */
181 #define _SC_LINE_MAX 15 /* user */
182 #define _SC_RE_DUP_MAX 16 /* user */
183 #define _SC_2_VERSION 17 /* user */
184 #define _SC_2_C_BIND 18 /* user */
185 #define _SC_2_C_DEV 19 /* user */
186 #define _SC_2_CHAR_TERM 20 /* user */
187 #define _SC_2_FORT_DEV 21 /* user */
188 #define _SC_2_FORT_RUN 22 /* user */
189 #define _SC_2_LOCALEDEF 23 /* user */
190 #define _SC_2_SW_DEV 24 /* user */
191 #define _SC_2_UPE 25 /* user */
192 #define _SC_STREAM_MAX 26 /* user */
193 #define _SC_TZNAME_MAX 27 /* user */
194
195 #if __POSIX_VISIBLE >= 199309
196 #define _SC_ASYNCHRONOUS_IO 28
197 #define _SC_MAPPED_FILES 29
198 #define _SC_MEMLOCK 30
199 #define _SC_MEMLOCK_RANGE 31
200 #define _SC_MEMORY_PROTECTION 32
201 #define _SC_MESSAGE_PASSING 33
202 #define _SC_PRIORITIZED_IO 34
203 #define _SC_PRIORITY_SCHEDULING 35
204 #define _SC_REALTIME_SIGNALS 36
205 #define _SC_SEMAPHORES 37
206 #define _SC_FSYNC 38
207 #define _SC_SHARED_MEMORY_OBJECTS 39
208 #define _SC_SYNCHRONIZED_IO 40
209 #define _SC_TIMERS 41
210 #define _SC_AIO_LISTIO_MAX 42
211 #define _SC_AIO_MAX 43
212 #define _SC_AIO_PRIO_DELTA_MAX 44
213 #define _SC_DELAYTIMER_MAX 45
214 #define _SC_MQ_OPEN_MAX 46
215 #define _SC_PAGESIZE 47
216 #define _SC_RTSIG_MAX 48
217 #define _SC_SEM_NSEMS_MAX 49
218 #define _SC_SEM_VALUE_MAX 50
219 #define _SC_SIGQUEUE_MAX 51
220 #define _SC_TIMER_MAX 52
221 #endif
222
223 #if __POSIX_VISIBLE >= 200112
224 #define _SC_2_PBS 59 /* user */
225 #define _SC_2_PBS_ACCOUNTING 60 /* user */
226 #define _SC_2_PBS_CHECKPOINT 61 /* user */
227 #define _SC_2_PBS_LOCATE 62 /* user */
228 #define _SC_2_PBS_MESSAGE 63 /* user */
229 #define _SC_2_PBS_TRACK 64 /* user */
230 #define _SC_ADVISORY_INFO 65
231 #define _SC_BARRIERS 66 /* user */
232 #define _SC_CLOCK_SELECTION 67
233 #define _SC_CPUTIME 68
234 #define _SC_FILE_LOCKING 69
235 #define _SC_GETGR_R_SIZE_MAX 70 /* user */
236 #define _SC_GETPW_R_SIZE_MAX 71 /* user */
237 #define _SC_HOST_NAME_MAX 72
238 #define _SC_LOGIN_NAME_MAX 73
239 #define _SC_MONOTONIC_CLOCK 74
240 #define _SC_MQ_PRIO_MAX 75
241 #define _SC_READER_WRITER_LOCKS 76 /* user */
242 #define _SC_REGEXP 77 /* user */
243 #define _SC_SHELL 78 /* user */
244 #define _SC_SPAWN 79 /* user */
245 #define _SC_SPIN_LOCKS 80 /* user */
246 #define _SC_SPORADIC_SERVER 81
247 #define _SC_THREAD_ATTR_STACKADDR 82 /* user */
248 #define _SC_THREAD_ATTR_STACKSIZE 83 /* user */
249 #define _SC_THREAD_CPUTIME 84 /* user */
250 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */
251 #define _SC_THREAD_KEYS_MAX 86 /* user */
252 #define _SC_THREAD_PRIO_INHERIT 87 /* user */
253 #define _SC_THREAD_PRIO_PROTECT 88 /* user */
254 #define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */
255 #define _SC_THREAD_PROCESS_SHARED 90 /* user */
256 #define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */
257 #define _SC_THREAD_SPORADIC_SERVER 92 /* user */
258 #define _SC_THREAD_STACK_MIN 93 /* user */
259 #define _SC_THREAD_THREADS_MAX 94 /* user */
260 #define _SC_TIMEOUTS 95 /* user */
261 #define _SC_THREADS 96 /* user */
262 #define _SC_TRACE 97 /* user */
263 #define _SC_TRACE_EVENT_FILTER 98 /* user */
264 #define _SC_TRACE_INHERIT 99 /* user */
265 #define _SC_TRACE_LOG 100 /* user */
266 #define _SC_TTY_NAME_MAX 101 /* user */
267 #define _SC_TYPED_MEMORY_OBJECTS 102
268 #define _SC_V6_ILP32_OFF32 103 /* user */
269 #define _SC_V6_ILP32_OFFBIG 104 /* user */
270 #define _SC_V6_LP64_OFF64 105 /* user */
271 #define _SC_V6_LPBIG_OFFBIG 106 /* user */
272 #define _SC_IPV6 118
273 #define _SC_RAW_SOCKETS 119
274 #define _SC_SYMLOOP_MAX 120
275 #endif
276
277 #if __XSI_VISIBLE
278 #define _SC_ATEXIT_MAX 107 /* user */
279 #define _SC_IOV_MAX 56
280 #define _SC_PAGE_SIZE _SC_PAGESIZE
281 #define _SC_XOPEN_CRYPT 108 /* user */
282 #define _SC_XOPEN_ENH_I18N 109 /* user */
283 #define _SC_XOPEN_LEGACY 110 /* user */
284 #define _SC_XOPEN_REALTIME 111
285 #define _SC_XOPEN_REALTIME_THREADS 112
286 #define _SC_XOPEN_SHM 113
287 #define _SC_XOPEN_STREAMS 114
288 #define _SC_XOPEN_UNIX 115
289 #define _SC_XOPEN_VERSION 116
290 #define _SC_XOPEN_XCU_VERSION 117 /* user */
291 #endif
292
293 #if __BSD_VISIBLE
294 #define _SC_NPROCESSORS_CONF 57
295 #define _SC_NPROCESSORS_ONLN 58
296 #endif
297
298 /* Extensions found in Solaris and Linux. */
299 #define _SC_PHYS_PAGES 121
300
301 /* Keys for the confstr(3) function. */
302 #if __POSIX_VISIBLE >= 199209
303 #define _CS_PATH 1 /* default value of PATH */
304 #endif
305
306 #if __POSIX_VISIBLE >= 200112
307 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2
308 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3
309 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 4
310 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5
311 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6
312 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7
313 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8
314 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9
315 #define _CS_POSIX_V6_LP64_OFF64_LIBS 10
316 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11
317 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12
318 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13
319 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14
320 #endif
321
322 __BEGIN_DECLS
323 /* 1003.1-1990 */
324 void _exit(int) __dead2;
325 int access(const char *, int);
326 unsigned int alarm(unsigned int);
327 int chdir(const char *);
328 int chown(const char *, uid_t, gid_t);
329 int close(int);
330 int dup(int);
331 int dup2(int, int);
332 int eaccess(const char *, int);
333 int execl(const char *, const char *, ...);
334 int execle(const char *, const char *, ...);
335 int execlp(const char *, const char *, ...);
336 int execv(const char *, char * const *);
337 int execve(const char *, char * const *, char * const *);
338 int execvp(const char *, char * const *);
339 pid_t fork(void);
340 long fpathconf(int, int);
341 char *getcwd(char *, size_t);
342 gid_t getegid(void);
343 uid_t geteuid(void);
344 gid_t getgid(void);
345 int getgroups(int, gid_t []);
346 char *getlogin(void);
347 pid_t getpgrp(void);
348 pid_t getpid(void);
349 pid_t getppid(void);
350 uid_t getuid(void);
351 int isatty(int);
352 int link(const char *, const char *);
353 #ifndef _LSEEK_DECLARED
354 #define _LSEEK_DECLARED
355 off_t lseek(int, off_t, int);
356 #endif
357 long pathconf(const char *, int);
358 int pause(void);
359 int pipe(int *);
360 ssize_t read(int, void *, size_t);
361 int rmdir(const char *);
362 int setgid(gid_t);
363 int setpgid(pid_t, pid_t);
364 void setproctitle(const char *_fmt, ...) __printf0like(1, 2);
365 pid_t setsid(void);
366 int setuid(uid_t);
367 unsigned int sleep(unsigned int);
368 long sysconf(int);
369 pid_t tcgetpgrp(int);
370 int tcsetpgrp(int, pid_t);
371 char *ttyname(int);
372 int ttyname_r(int, char *, size_t);
373 int unlink(const char *);
374 ssize_t write(int, const void *, size_t);
375
376 /* 1003.2-1992 */
377 #if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE
378 size_t confstr(int, char *, size_t);
379 #ifndef _GETOPT_DECLARED
380 #define _GETOPT_DECLARED
381 int getopt(int, char * const [], const char *);
382
383 extern char *optarg; /* getopt(3) external variables */
384 extern int optind, opterr, optopt;
385 #endif /* _GETOPT_DECLARED */
386 #endif
387
388 /* ISO/IEC 9945-1: 1996 */
389 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
390 int fsync(int);
391
392 /*
393 * ftruncate() was in the POSIX Realtime Extension (it's used for shared
394 * memory), but truncate() was not.
395 */
396 #ifndef _FTRUNCATE_DECLARED
397 #define _FTRUNCATE_DECLARED
398 int ftruncate(int, off_t);
399 #endif
400 #endif
401
402 #if __POSIX_VISIBLE >= 199506
403 int getlogin_r(char *, int);
404 #endif
405
406 /* 1003.1-2001 */
407 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
408 int fchown(int, uid_t, gid_t);
409 int readlink(const char *, char *, int);
410 #endif
411 #if __POSIX_VISIBLE >= 200112
412 int gethostname(char *, size_t);
413 int setegid(gid_t);
414 int seteuid(uid_t);
415 #endif
416
417 /*
418 * symlink() was originally in POSIX.1a, which was withdrawn after
419 * being overtaken by events (1003.1-2001). It was in XPG4.2, and of
420 * course has been in BSD since 4.2.
421 */
422 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE
423 int symlink(const char * __restrict, const char * __restrict);
424 #endif
425
426 /* X/Open System Interfaces */
427 #if __XSI_VISIBLE
428 char *crypt(const char *, const char *);
429 /* char *ctermid(char *); */ /* XXX ??? */
430 int encrypt(char *, int);
431 int fchdir(int);
432 long gethostid(void);
433 int getpgid(pid_t _pid);
434 int getsid(pid_t _pid);
435 char *getwd(char *); /* LEGACY: obsoleted by getcwd() */
436 int lchown(const char *, uid_t, gid_t);
437 int lockf(int, int, off_t);
438 int nice(int);
439 ssize_t pread(int, void *, size_t, off_t);
440 ssize_t pwrite(int, const void *, size_t, off_t);
441 int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
442 int setregid(gid_t, gid_t);
443 int setreuid(uid_t, uid_t);
444
445 #ifndef _SWAB_DECLARED
446 #define _SWAB_DECLARED
447 void swab(const void * __restrict, void * __restrict, ssize_t);
448 #endif /* _SWAB_DECLARED */
449
450 void sync(void);
451 useconds_t ualarm(useconds_t, useconds_t);
452 int usleep(useconds_t);
453 pid_t vfork(void);
454
455 /* See comment at ftruncate() above. */
456 #ifndef _TRUNCATE_DECLARED
457 #define _TRUNCATE_DECLARED
458 int truncate(const char *, off_t);
459 #endif
460 #endif /* __XSI_VISIBLE */
461
462 #if __XSI_VISIBLE <= 500 || __BSD_VISIBLE
463 int brk(const void *);
464 int chroot(const char *);
465 int getdtablesize(void);
466 int getpagesize(void) __pure2;
467 char *getpass(const char *);
468 void *sbrk(intptr_t);
469 #endif
470
471 #if __BSD_VISIBLE
472 struct timeval; /* select(2) */
473 int acct(const char *);
474 int async_daemon(void);
475 int check_utility_compat(const char *);
476 const char *
477 crypt_get_format(void);
478 int crypt_set_format(const char *);
479 int des_cipher(const char *, char *, long, int);
480 int des_setkey(const char *key);
481 void endusershell(void);
482 int exect(const char *, char * const *, char * const *);
483 int execvP(const char *, const char *, char * const *);
484 int feature_present(const char *);
485 char *fflagstostr(u_long);
486 int getdomainname(char *, int);
487 int getgrouplist(const char *, gid_t, gid_t *, int *);
488 mode_t getmode(const void *, mode_t);
489 int getpeereid(int, uid_t *, gid_t *);
490 int getresgid(gid_t *, gid_t *, gid_t *);
491 int getresuid(uid_t *, uid_t *, uid_t *);
492 char *getusershell(void);
493 int initgroups(const char *, gid_t);
494 int iruserok(unsigned long, int, const char *, const char *);
495 int iruserok_sa(const void *, int, int, const char *, const char *);
496 int issetugid(void);
497 void __FreeBSD_libc_enter_restricted_mode(void);
498 char *mkdtemp(char *);
499 #ifndef _MKNOD_DECLARED
500 int mknod(const char *, mode_t, dev_t);
501 #define _MKNOD_DECLARED
502 #endif
503 #ifndef _MKSTEMP_DECLARED
504 int mkstemp(char *);
505 #define _MKSTEMP_DECLARED
506 #endif
507 int mkstemps(char *, int);
508 #ifndef _MKTEMP_DECLARED
509 char *mktemp(char *);
510 #define _MKTEMP_DECLARED
511 #endif
512 int nfssvc(int, void *);
513 int profil(char *, size_t, vm_offset_t, int);
514 int rcmd(char **, int, const char *, const char *, const char *, int *);
515 int rcmd_af(char **, int, const char *,
516 const char *, const char *, int *, int);
517 int rcmdsh(char **, int, const char *,
518 const char *, const char *, const char *);
519 char *re_comp(const char *);
520 int re_exec(const char *);
521 int reboot(int);
522 int revoke(const char *);
523 pid_t rfork(int);
524 pid_t rfork_thread(int, void *, int (*)(void *), void *);
525 int rresvport(int *);
526 int rresvport_af(int *, int);
527 int ruserok(const char *, int, const char *, const char *);
528 #if __BSD_VISIBLE
529 #ifndef _SELECT_DECLARED
530 #define _SELECT_DECLARED
531 int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
532 #endif
533 #endif
534 int setdomainname(const char *, int);
535 int setgroups(int, const gid_t *);
536 void sethostid(long);
537 int sethostname(const char *, int);
538 #ifndef _SETKEY_DECLARED
539 int setkey(const char *);
540 #define _SETKEY_DECLARED
541 #endif
542 int setlogin(const char *);
543 void *setmode(const char *);
544 int setresgid(gid_t, gid_t, gid_t);
545 int setresuid(uid_t, uid_t, uid_t);
546 int setrgid(gid_t);
547 int setruid(uid_t);
548 void setusershell(void);
549 int strtofflags(char **, u_long *, u_long *);
550 int swapon(const char *);
551 int swapoff(const char *);
552 int syscall(int, ...);
553 off_t __syscall(quad_t, ...);
554 int ttyslot(void);
555 int undelete(const char *);
556 int unwhiteout(const char *);
557 void *valloc(size_t); /* obsoleted by malloc() */
558
559 #ifndef _OPTRESET_DECLARED
560 #define _OPTRESET_DECLARED
561 extern int optreset; /* getopt(3) external variable */
562 #endif
563 #endif /* __BSD_VISIBLE */
564 __END_DECLS
565
566 #endif /* !_UNISTD_H_ */