summaryrefslogtreecommitdiffstats
path: root/include/unistd.h
blob: 160dada0a1c7b1745083d934efc492f7c9a6e517 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
/*-
 * Copyright (c) 1991, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)unistd.h	8.12 (Berkeley) 4/27/95
 * $FreeBSD$
 */

#ifndef _UNISTD_H_
#define	_UNISTD_H_

#include <sys/cdefs.h>
#include <sys/types.h>			/* XXX adds too much pollution. */
#include <sys/unistd.h>
#include <sys/_types.h>

#ifndef _GID_T_DECLARED
typedef	__gid_t		gid_t;
#define	_GID_T_DECLARED
#endif

#ifndef _SIZE_T_DECLARED
typedef	__size_t	size_t;
#define	_SIZE_T_DECLARED
#endif

#ifndef _SSIZE_T_DECLARED
typedef	__ssize_t	ssize_t;
#define	_SSIZE_T_DECLARED
#endif

#ifndef _UID_T_DECLARED
typedef	__uid_t_	uid_t;
#define	_UID_T_DECLARED
#endif

/*
 * XXX missing type definitions for off_t, pid_t and useconds_t.
 */

#define	 STDIN_FILENO	0	/* standard input file descriptor */
#define	STDOUT_FILENO	1	/* standard output file descriptor */
#define	STDERR_FILENO	2	/* standard error file descriptor */

#ifndef NULL
#define	NULL		0	/* null pointer constant */
#endif

#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
#define	F_ULOCK		0	/* unlock locked section */
#define	F_LOCK		1	/* lock a section for exclusive use */
#define	F_TLOCK		2	/* test and lock a section for exclusive use */
#define	F_TEST		3	/* test a section for locks by other procs */
#endif

/*
 * POSIX options and option groups we unconditionally do or don't
 * implement.  This list includes those options which are exclusively
 * implemented (or not) in user mode.  Please keep this list in
 * alphabetical order.
 *
 * Anything which is defined as zero below **must** have an
 * implementation for the corresponding sysconf() which is able to
 * determine conclusively whether or not the feature is supported.
 * Anything which is defined as other than -1 below **must** have
 * complete headers, types, and function declarations as specified by
 * the POSIX standard; however, if the relevant sysconf() function
 * returns -1, the functions may be stubbed out.
 */
#define	_POSIX_BARRIERS			-1
#define	_POSIX_READER_WRITER_LOCKS	200112L
#define	_POSIX_REGEXP			1
#define	_POSIX_SHELL			1
#define	_POSIX_SPAWN			-1
#define	_POSIX_SPIN_LOCKS		-1
#define	_POSIX_THREAD_ATTR_STACKADDR	200112L
#define	_POSIX_THREAD_ATTR_STACKSIZE	200112L
#define	_POSIX_THREAD_CPUTIME		-1
#define	_POSIX_THREAD_PRIO_INHERIT	200112L
#define	_POSIX_THREAD_PRIO_PROTECT	200112L
#define	_POSIX_THREAD_PRIORITY_SCHEDULING 200112L
#define	_POSIX_THREAD_PROCESS_SHARED	-1
#define	_POSIX_THREAD_SAFE_FUNCTIONS	-1
#define	_POSIX_THREAD_SPORADIC_SERVER	-1
#define	_POSIX_THREADS			200112L
#define	_POSIX_TRACE			-1
#define	_POSIX_TRACE_EVENT_FILTER	-1
#define	_POSIX_TRACE_INHERIT		-1
#define	_POSIX_TRACE_LOG		-1
#define	_POSIX2_C_BIND			200112L	/* mandatory */
#define	_POSIX2_C_DEV			-1 /* need c99 utility */
#define	_POSIX2_CHAR_TERM		1
#define	_POSIX2_FORT_DEV		-1 /* need fort77 utility */
#define	_POSIX2_FORT_RUN		200112L
#define	_POSIX2_LOCALEDEF		-1
#define	_POSIX2_PBS			-1
#define	_POSIX2_PBS_ACCOUNTING		-1
#define	_POSIX2_PBS_CHECKPOINT		-1
#define	_POSIX2_PBS_LOCATE		-1
#define	_POSIX2_PBS_MESSAGE		-1
#define	_POSIX2_PBS_TRACK		-1
#define	_POSIX2_SW_DEV			-1 /* XXX ??? */
#define	_POSIX2_UPE			200112L
#define	_V6_ILP32_OFF32			-1
#define	_V6_ILP32_OFFBIG		0
#define	_V6_LP64_OFF64			0
#define	_V6_LPBIG_OFFBIG		-1

#if __XSI_VISIBLE
#define	_XOPEN_CRYPT			-1 /* XXX ??? */
#define	_XOPEN_ENH_I18N			-1 /* mandatory in XSI */
#define	_XOPEN_LEGACY			-1
#define	_XOPEN_REALTIME			-1
#define	_XOPEN_REALTIME_THREADS		-1
#define	_XOPEN_UNIX			-1
#endif

/* Define the POSIX.2 version we target for compliance. */
#define	_POSIX2_VERSION		199212L

/*
 * POSIX-style system configuration variable accessors (for the
 * sysconf function).  The kernel does not directly implement the
 * sysconf() interface; rather, a C library stub translates references
 * to sysconf() into calls to sysctl() using a giant switch statement.
 * Those that are marked `user' are implemented entirely in the C
 * library and never query the kernel.  pathconf() is implemented
 * directly by the kernel so those are not defined here.
 */
#define	_SC_ARG_MAX		 1
#define	_SC_CHILD_MAX		 2
#define	_SC_CLK_TCK		 3
#define	_SC_NGROUPS_MAX		 4
#define	_SC_OPEN_MAX		 5
#define	_SC_JOB_CONTROL		 6
#define	_SC_SAVED_IDS		 7
#define	_SC_VERSION		 8
#define	_SC_BC_BASE_MAX		 9 /* user */
#define	_SC_BC_DIM_MAX		10 /* user */
#define	_SC_BC_SCALE_MAX	11 /* user */
#define	_SC_BC_STRING_MAX	12 /* user */
#define	_SC_COLL_WEIGHTS_MAX	13 /* user */
#define	_SC_EXPR_NEST_MAX	14 /* user */
#define	_SC_LINE_MAX		15 /* user */
#define	_SC_RE_DUP_MAX		16 /* user */
#define	_SC_2_VERSION		17 /* user */
#define	_SC_2_C_BIND		18 /* user */
#define	_SC_2_C_DEV		19 /* user */
#define	_SC_2_CHAR_TERM		20 /* user */
#define	_SC_2_FORT_DEV		21 /* user */
#define	_SC_2_FORT_RUN		22 /* user */
#define	_SC_2_LOCALEDEF		23 /* user */
#define	_SC_2_SW_DEV		24 /* user */
#define	_SC_2_UPE		25 /* user */
#define	_SC_STREAM_MAX		26 /* user */
#define	_SC_TZNAME_MAX		27 /* user */

#if __POSIX_VISIBLE >= 199309
#define	_SC_ASYNCHRONOUS_IO	28
#define	_SC_MAPPED_FILES	29
#define	_SC_MEMLOCK		30
#define	_SC_MEMLOCK_RANGE	31
#define	_SC_MEMORY_PROTECTION	32
#define	_SC_MESSAGE_PASSING	33
#define	_SC_PRIORITIZED_IO	34
#define	_SC_PRIORITY_SCHEDULING	35
#define	_SC_REALTIME_SIGNALS	36
#define	_SC_SEMAPHORES		37
#define	_SC_FSYNC		38
#define	_SC_SHARED_MEMORY_OBJECTS 39
#define	_SC_SYNCHRONIZED_IO	40
#define	_SC_TIMERS		41
#define	_SC_AIO_LISTIO_MAX	42
#define	_SC_AIO_MAX		43
#define	_SC_AIO_PRIO_DELTA_MAX	44
#define	_SC_DELAYTIMER_MAX	45
#define	_SC_MQ_OPEN_MAX		46
#define	_SC_PAGESIZE		47
#define	_SC_RTSIG_MAX		48
#define	_SC_SEM_NSEMS_MAX	49
#define	_SC_SEM_VALUE_MAX	50
#define	_SC_SIGQUEUE_MAX	51
#define	_SC_TIMER_MAX		52
#endif

#if __POSIX_VISIBLE >= 200112
#define	_SC_2_PBS		59 /* user */
#define	_SC_2_PBS_ACCOUNTING	60 /* user */
#define	_SC_2_PBS_CHECKPOINT	61 /* user */
#define	_SC_2_PBS_LOCATE	62 /* user */
#define	_SC_2_PBS_MESSAGE	63 /* user */
#define	_SC_2_PBS_TRACK		64 /* user */
#define	_SC_ADVISORY_INFO	65
#define	_SC_BARRIERS		66 /* user */
#define	_SC_CLOCK_SELECTION	67
#define	_SC_CPUTIME		68
#define	_SC_FILE_LOCKING	69
#define	_SC_GETGR_R_SIZE_MAX	70 /* user */
#define	_SC_GETPW_R_SIZE_MAX	71 /* user */
#define	_SC_HOST_NAME_MAX	72
#define	_SC_LOGIN_NAME_MAX	73
#define	_SC_MONOTONIC_CLOCK	74
#define	_SC_MQ_PRIO_MAX		75
#define	_SC_READER_WRITER_LOCKS	76 /* user */
#define	_SC_REGEXP		77 /* user */
#define	_SC_SHELL		78 /* user */
#define	_SC_SPAWN		79 /* user */
#define	_SC_SPIN_LOCKS		80 /* user */
#define	_SC_SPORADIC_SERVER	81
#define	_SC_THREAD_ATTR_STACKADDR 82 /* user */
#define	_SC_THREAD_ATTR_STACKSIZE 83 /* user */
#define	_SC_THREAD_CPUTIME	84 /* user */
#define	_SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */
#define	_SC_THREAD_KEYS_MAX	86 /* user */
#define	_SC_THREAD_PRIO_INHERIT	87 /* user */
#define	_SC_THREAD_PRIO_PROTECT	88 /* user */
#define	_SC_THREAD_PRIORITY_SCHEDULING 89 /* user */
#define	_SC_THREAD_PROCESS_SHARED 90 /* user */
#define	_SC_THREAD_SAFE_FUNCTIONS 91 /* user */
#define	_SC_THREAD_SPORADIC_SERVER 92 /* user */
#define	_SC_THREAD_STACK_MIN	93 /* user */
#define	_SC_THREAD_THREADS_MAX	94 /* user */
#define	_SC_TIMEOUTS		95 /* user */
#define	_SC_THREADS		96 /* user */
#define	_SC_TRACE		97 /* user */
#define	_SC_TRACE_EVENT_FILTER	98 /* user */
#define	_SC_TRACE_INHERIT	99 /* user */
#define	_SC_TRACE_LOG		100 /* user */
#define	_SC_TTY_NAME_MAX	101 /* user */
#define	_SC_TYPED_MEMORY_OBJECTS 102
#define	_SC_V6_ILP32_OFF32	103 /* user */
#define	_SC_V6_ILP32_OFFBIG	104 /* user */
#define	_SC_V6_LP64_OFF64	105 /* user */
#define	_SC_V6_LPBIG_OFFBIG	106 /* user */
#define	_SC_IPV6		118
#define	_SC_RAW_SOCKETS		119
#define	_SC_SYMLOOP_MAX		120
#endif

#if __XSI_VISIBLE
#define	_SC_ATEXIT_MAX		107 /* user */
#define	_SC_IOV_MAX		56
#define	_SC_PAGE_SIZE		_SC_PAGESIZE
#define	_SC_XOPEN_CRYPT		108 /* user */
#define	_SC_XOPEN_ENH_I18N	109 /* user */
#define	_SC_XOPEN_LEGACY	110 /* user */
#define	_SC_XOPEN_REALTIME	111
#define	_SC_XOPEN_REALTIME_THREADS 112
#define	_SC_XOPEN_SHM		113
#define	_SC_XOPEN_STREAMS	114
#define	_SC_XOPEN_UNIX		115
#define	_SC_XOPEN_VERSION	116
#define	_SC_XOPEN_XCU_VERSION	117 /* user */
#endif

#if __BSD_VISIBLE
#define	_SC_NPROCESSORS_CONF	57
#define	_SC_NPROCESSORS_ONLN	58
#endif

/* Keys for the confstr(3) function. */
#if __POSIX_VISIBLE >= 199209
#define	_CS_PATH		1	/* default value of PATH */
#endif

#if __POSIX_VISIBLE >= 200112
#define	_CS_POSIX_V6_ILP32_OFF32_CFLAGS		2
#define	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS	3
#define	_CS_POSIX_V6_ILP32_OFF32_LIBS		4
#define	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS	5
#define	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS	6
#define	_CS_POSIX_V6_ILP32_OFFBIG_LIBS		7
#define	_CS_POSIX_V6_LP64_OFF64_CFLAGS		8
#define	_CS_POSIX_V6_LP64_OFF64_LDFLAGS		9
#define	_CS_POSIX_V6_LP64_OFF64_LIBS		10
#define	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS	11
#define	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS	12
#define	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS		13
#define	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS	14
#endif

__BEGIN_DECLS
/* 1003.1-1990 */
void	 _exit(int) __dead2;
int	 access(const char *, int);
unsigned int	 alarm(unsigned int);
int	 chdir(const char *);
int	 chown(const char *, uid_t, gid_t);
int	 close(int);
int	 dup(int);
int	 dup2(int, int);
int	 eaccess(const char *, int);
int	 execl(const char *, const char *, ...);
int	 execle(const char *, const char *, ...);
int	 execlp(const char *, const char *, ...);
int	 execv(const char *, char * const *);
int	 execve(const char *, char * const *, char * const *);
int	 execvp(const char *, char * const *);
pid_t	 fork(void);
long	 fpathconf(int, int);
char	*getcwd(char *, size_t);
gid_t	 getegid(void);
uid_t	 geteuid(void);
gid_t	 getgid(void);
int	 getgroups(int, gid_t []);
char	*getlogin(void);
pid_t	 getpgrp(void);
pid_t	 getpid(void);
pid_t	 getppid(void);
uid_t	 getuid(void);
int	 isatty(int);
int	 link(const char *, const char *);
#ifndef _LSEEK_DECLARED
#define	_LSEEK_DECLARED
off_t	 lseek(int, off_t, int);
#endif
long	 pathconf(const char *, int);
int	 pause(void);
int	 pipe(int *);
ssize_t	 read(int, void *, size_t);
int	 rmdir(const char *);
int	 setgid(gid_t);
int	 setpgid(pid_t, pid_t);
void	 setproctitle(const char *_fmt, ...) __printf0like(1, 2);
pid_t	 setsid(void);
int	 setuid(uid_t);
unsigned int	 sleep(unsigned int);
long	 sysconf(int);
pid_t	 tcgetpgrp(int);
int	 tcsetpgrp(int, pid_t);
char	*ttyname(int);
int	 unlink(const char *);
ssize_t	 write(int, const void *, size_t);

/* 1003.2-1992 */
#if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE
size_t	 confstr(int, char *, size_t);
int	 getopt(int, char * const [], const char *);

extern char *optarg;			/* getopt(3) external variables */
extern int optind, opterr, optopt;
#endif

/* ISO/IEC 9945-1: 1996 */
#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
int	 fsync(int);

/*
 * ftruncate() was in the POSIX Realtime Extension (it's used for shared
 * memory), but truncate() was not.
 */
#ifndef _FTRUNCATE_DECLARED
#define	_FTRUNCATE_DECLARED
int	 ftruncate(int, off_t);
#endif
#endif

#if __POSIX_VISIBLE >= 199506
int	 getlogin_r(char *, int);
#endif

/* 1003.1-2001 */
#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
int	 fchown(int, uid_t, gid_t);
int	 readlink(const char *, char *, int);
#endif
#if __POSIX_VISIBLE >= 200112
int	 gethostname(char *, int /* socklen_t */);
int	 setegid(gid_t);
int	 seteuid(uid_t);
#endif

/*
 * symlink() was originally in POSIX.1a, which was withdrawn after
 * being overtaken by events (1003.1-2001).  It was in XPG4.2, and of
 * course has been in BSD since 4.2.
 */
#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE
int	 symlink(const char * __restrict, const char * __restrict);
#endif

/* X/Open System Interfaces */
#if __XSI_VISIBLE
char	*crypt(const char *, const char *);
/* char	*ctermid(char *); */		/* XXX ??? */
int	 encrypt(char *, int);
int	 fchdir(int);
long	 gethostid(void);
int	 getpgid(pid_t _pid);
int	 getsid(pid_t _pid);
char	*getwd(char *);			/* LEGACY: obsoleted by getcwd() */
int	 lchown(const char *, uid_t, gid_t);
int	 lockf(int, int, off_t);
int	 nice(int);
ssize_t	 pread(int, void *, size_t, off_t);
ssize_t	 pwrite(int, const void *, size_t, off_t);
int	 setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
int	 setregid(gid_t, gid_t);
int	 setreuid(uid_t, uid_t);
/* void	 swab(const void * __restrict, void * __restrict, ssize_t); */
void	 sync(void);
unsigned int	 ualarm(unsigned int, unsigned int);
int	 usleep(unsigned int);
pid_t	 vfork(void);

/* See comment at ftruncate() above. */
#ifndef _TRUNCATE_DECLARED
#define	_TRUNCATE_DECLARED
int	 truncate(const char *, off_t);
#endif
#endif /* __XSI_VISIBLE */

#if __XSI_VISIBLE <= 500 || __BSD_VISIBLE
int	 brk(const void *);
int	 chroot(const char *);
int	 getdtablesize(void);
int	 getpagesize(void) __pure2;
char	*getpass(const char *);
void	*sbrk(intptr_t);
#endif

#if __BSD_VISIBLE
struct timeval;				/* select(2) */
int	 acct(const char *);
int	 async_daemon(void);
int	 check_utility_compat(const char *);
const char *
	 crypt_get_format(void);
int	 crypt_set_format(const char *);
int	 des_cipher(const char *, char *, long, int);
int	 des_setkey(const char *key);
void	 endusershell(void);
int	 exect(const char *, char * const *, char * const *);
char	*fflagstostr(u_long);
int	 getdomainname(char *, int);
int	 getgrouplist(const char *, gid_t, gid_t *, int *);
mode_t	 getmode(const void *, mode_t);
int	 getpeereid(int, uid_t *, gid_t *);
int	 getresgid(gid_t *, gid_t *, gid_t *);
int	 getresuid(uid_t *, uid_t *, uid_t *);
char	*getusershell(void);
int	 initgroups(const char *, gid_t);
int	 iruserok(unsigned long, int, const char *, const char *);
int	 iruserok_sa(const void *, int, int, const char *, const char *);
int	 issetugid(void);
char	*mkdtemp(char *);
int	 mknod(const char *, mode_t, dev_t);
#ifndef _MKSTEMP_DECLARED
int	 mkstemp(char *);
#define	_MKSTEMP_DECLARED
#endif
int	 mkstemps(char *, int);
#ifndef _MKTEMP_DECLARED
char	*mktemp(char *);
#define	_MKTEMP_DECLARED
#endif
int	 nfsclnt(int, void *);
int	 nfssvc(int, void *);
int	 profil(char *, size_t, vm_offset_t, int);
int	 rcmd(char **, int, const char *, const char *, const char *, int *);
int	 rcmd_af(char **, int, const char *,
		const char *, const char *, int *, int);
int	 rcmdsh(char **, int, const char *,
		const char *, const char *, const char *);
char	*re_comp(const char *);
int	 re_exec(const char *);
int	 reboot(int);
int	 revoke(const char *);
pid_t	 rfork(int);
pid_t	 rfork_thread(int, void *, int (*)(void *), void *);
int	 rresvport(int *);
int	 rresvport_af(int *, int);
int	 ruserok(const char *, int, const char *, const char *);
#if __BSD_VISIBLE
#ifndef _SELECT_DECLARED
#define	_SELECT_DECLARED
int	 select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
#endif
#endif
int	 setdomainname(const char *, int);
int	 setgroups(int, const gid_t *);
void	 sethostid(long);
int	 sethostname(const char *, int);
#ifndef _SETKEY_DECLARED
int	 setkey(const char *);
#define	_SETKEY_DECLARED
#endif
int	 setlogin(const char *);
void	*setmode(const char *);
int	 setresgid(gid_t, gid_t, gid_t);
int	 setresuid(uid_t, uid_t, uid_t);
int	 setrgid(gid_t);
int	 setruid(uid_t);
void	 setusershell(void);
int	 strtofflags(char **, u_long *, u_long *);
int	 swapon(const char *);
int	 syscall(int, ...);
off_t	 __syscall(quad_t, ...);
int	 ttyslot(void);
int	 undelete(const char *);
int	 unwhiteout(const char *);
void	*valloc(size_t);			/* obsoleted by malloc() */

extern char *suboptarg;			/* getsubopt(3) external variable */
#ifndef _GETSUBOPT_DECLARED
int	 getsubopt(char **, char * const *, char **);
#define	_GETSUBOPT_DECLARED
#endif
extern int optreset;			/* getopt(3) external variable */
#endif /* __BSD_VISIBLE */
__END_DECLS

#endif /* !_UNISTD_H_ */
OpenPOWER on IntegriCloud