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. 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.
16 *
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.
28 *
29 *	@(#)unistd.h	8.12 (Berkeley) 4/27/95
30 * $FreeBSD$
31 */
32
33#ifndef _UNISTD_H_
34#define	_UNISTD_H_
35
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>
40#include <sys/_types.h>
41
42#ifndef _GID_T_DECLARED
43typedef	__gid_t		gid_t;
44#define	_GID_T_DECLARED
45#endif
46
47#ifndef _OFF_T_DECLARED
48typedef	__off_t		off_t;
49#define	_OFF_T_DECLARED
50#endif
51
52#ifndef _PID_T_DECLARED
53typedef	__pid_t		pid_t;
54#define	_PID_T_DECLARED
55#endif
56
57#ifndef _SIZE_T_DECLARED
58typedef	__size_t	size_t;
59#define	_SIZE_T_DECLARED
60#endif
61
62#ifndef _SSIZE_T_DECLARED
63typedef	__ssize_t	ssize_t;
64#define	_SSIZE_T_DECLARED
65#endif
66
67#ifndef _UID_T_DECLARED
68typedef	__uid_t		uid_t;
69#define	_UID_T_DECLARED
70#endif
71
72#ifndef _USECONDS_T_DECLARED
73typedef	__useconds_t	useconds_t;
74#define	_USECONDS_T_DECLARED
75#endif
76
77#define	STDIN_FILENO	0	/* standard input file descriptor */
78#define	STDOUT_FILENO	1	/* standard output file descriptor */
79#define	STDERR_FILENO	2	/* standard error file descriptor */
80
81#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
82#define	F_ULOCK		0	/* unlock locked section */
83#define	F_LOCK		1	/* lock a section for exclusive use */
84#define	F_TLOCK		2	/* test and lock a section for exclusive use */
85#define	F_TEST		3	/* test a section for locks by other procs */
86#endif
87
88/*
89 * POSIX options and option groups we unconditionally do or don't
90 * implement.  This list includes those options which are exclusively
91 * implemented (or not) in user mode.  Please keep this list in
92 * alphabetical order.
93 *
94 * Anything which is defined as zero below **must** have an
95 * implementation for the corresponding sysconf() which is able to
96 * determine conclusively whether or not the feature is supported.
97 * Anything which is defined as other than -1 below **must** have
98 * complete headers, types, and function declarations as specified by
99 * the POSIX standard; however, if the relevant sysconf() function
100 * returns -1, the functions may be stubbed out.
101 */
102#define	_POSIX_BARRIERS			200112L
103#define	_POSIX_CPUTIME			200112L
104#define	_POSIX_READER_WRITER_LOCKS	200112L
105#define	_POSIX_REGEXP			1
106#define	_POSIX_SHELL			1
107#define	_POSIX_SPAWN			200112L
108#define	_POSIX_SPIN_LOCKS		200112L
109#define	_POSIX_THREAD_ATTR_STACKADDR	200112L
110#define	_POSIX_THREAD_ATTR_STACKSIZE	200112L
111#define	_POSIX_THREAD_CPUTIME		200112L
112#define	_POSIX_THREAD_PRIO_INHERIT	200112L
113#define	_POSIX_THREAD_PRIO_PROTECT	200112L
114#define	_POSIX_THREAD_PRIORITY_SCHEDULING 200112L
115#define	_POSIX_THREAD_PROCESS_SHARED	-1
116#define	_POSIX_THREAD_SAFE_FUNCTIONS	-1
117#define	_POSIX_THREAD_SPORADIC_SERVER	-1
118#define	_POSIX_THREADS			200112L
119#define	_POSIX_TRACE			-1
120#define	_POSIX_TRACE_EVENT_FILTER	-1
121#define	_POSIX_TRACE_INHERIT		-1
122#define	_POSIX_TRACE_LOG		-1
123#define	_POSIX2_C_BIND			200112L	/* mandatory */
124#define	_POSIX2_C_DEV			-1 /* need c99 utility */
125#define	_POSIX2_CHAR_TERM		1
126#define	_POSIX2_FORT_DEV		-1 /* need fort77 utility */
127#define	_POSIX2_FORT_RUN		200112L
128#define	_POSIX2_LOCALEDEF		-1
129#define	_POSIX2_PBS			-1
130#define	_POSIX2_PBS_ACCOUNTING		-1
131#define	_POSIX2_PBS_CHECKPOINT		-1
132#define	_POSIX2_PBS_LOCATE		-1
133#define	_POSIX2_PBS_MESSAGE		-1
134#define	_POSIX2_PBS_TRACK		-1
135#define	_POSIX2_SW_DEV			-1 /* XXX ??? */
136#define	_POSIX2_UPE			200112L
137#define	_V6_ILP32_OFF32			-1
138#define	_V6_ILP32_OFFBIG		0
139#define	_V6_LP64_OFF64			0
140#define	_V6_LPBIG_OFFBIG		-1
141
142#if __XSI_VISIBLE
143#define	_XOPEN_CRYPT			-1 /* XXX ??? */
144#define	_XOPEN_ENH_I18N			-1 /* mandatory in XSI */
145#define	_XOPEN_LEGACY			-1
146#define	_XOPEN_REALTIME			-1
147#define	_XOPEN_REALTIME_THREADS		-1
148#define	_XOPEN_UNIX			-1
149#endif
150
151/* Define the POSIX.2 version we target for compliance. */
152#define	_POSIX2_VERSION		199212L
153
154/*
155 * POSIX-style system configuration variable accessors (for the
156 * sysconf function).  The kernel does not directly implement the
157 * sysconf() interface; rather, a C library stub translates references
158 * to sysconf() into calls to sysctl() using a giant switch statement.
159 * Those that are marked `user' are implemented entirely in the C
160 * library and never query the kernel.  pathconf() is implemented
161 * directly by the kernel so those are not defined here.
162 */
163#define	_SC_ARG_MAX		 1
164#define	_SC_CHILD_MAX		 2
165#define	_SC_CLK_TCK		 3
166#define	_SC_NGROUPS_MAX		 4
167#define	_SC_OPEN_MAX		 5
168#define	_SC_JOB_CONTROL		 6
169#define	_SC_SAVED_IDS		 7
170#define	_SC_VERSION		 8
171#define	_SC_BC_BASE_MAX		 9 /* user */
172#define	_SC_BC_DIM_MAX		10 /* user */
173#define	_SC_BC_SCALE_MAX	11 /* user */
174#define	_SC_BC_STRING_MAX	12 /* user */
175#define	_SC_COLL_WEIGHTS_MAX	13 /* user */
176#define	_SC_EXPR_NEST_MAX	14 /* user */
177#define	_SC_LINE_MAX		15 /* user */
178#define	_SC_RE_DUP_MAX		16 /* user */
179#define	_SC_2_VERSION		17 /* user */
180#define	_SC_2_C_BIND		18 /* user */
181#define	_SC_2_C_DEV		19 /* user */
182#define	_SC_2_CHAR_TERM		20 /* user */
183#define	_SC_2_FORT_DEV		21 /* user */
184#define	_SC_2_FORT_RUN		22 /* user */
185#define	_SC_2_LOCALEDEF		23 /* user */
186#define	_SC_2_SW_DEV		24 /* user */
187#define	_SC_2_UPE		25 /* user */
188#define	_SC_STREAM_MAX		26 /* user */
189#define	_SC_TZNAME_MAX		27 /* user */
190
191#if __POSIX_VISIBLE >= 199309
192#define	_SC_ASYNCHRONOUS_IO	28
193#define	_SC_MAPPED_FILES	29
194#define	_SC_MEMLOCK		30
195#define	_SC_MEMLOCK_RANGE	31
196#define	_SC_MEMORY_PROTECTION	32
197#define	_SC_MESSAGE_PASSING	33
198#define	_SC_PRIORITIZED_IO	34
199#define	_SC_PRIORITY_SCHEDULING	35
200#define	_SC_REALTIME_SIGNALS	36
201#define	_SC_SEMAPHORES		37
202#define	_SC_FSYNC		38
203#define	_SC_SHARED_MEMORY_OBJECTS 39
204#define	_SC_SYNCHRONIZED_IO	40
205#define	_SC_TIMERS		41
206#define	_SC_AIO_LISTIO_MAX	42
207#define	_SC_AIO_MAX		43
208#define	_SC_AIO_PRIO_DELTA_MAX	44
209#define	_SC_DELAYTIMER_MAX	45
210#define	_SC_MQ_OPEN_MAX		46
211#define	_SC_PAGESIZE		47
212#define	_SC_RTSIG_MAX		48
213#define	_SC_SEM_NSEMS_MAX	49
214#define	_SC_SEM_VALUE_MAX	50
215#define	_SC_SIGQUEUE_MAX	51
216#define	_SC_TIMER_MAX		52
217#endif
218
219#if __POSIX_VISIBLE >= 200112
220#define	_SC_2_PBS		59 /* user */
221#define	_SC_2_PBS_ACCOUNTING	60 /* user */
222#define	_SC_2_PBS_CHECKPOINT	61 /* user */
223#define	_SC_2_PBS_LOCATE	62 /* user */
224#define	_SC_2_PBS_MESSAGE	63 /* user */
225#define	_SC_2_PBS_TRACK		64 /* user */
226#define	_SC_ADVISORY_INFO	65
227#define	_SC_BARRIERS		66 /* user */
228#define	_SC_CLOCK_SELECTION	67
229#define	_SC_CPUTIME		68
230#define	_SC_FILE_LOCKING	69
231#define	_SC_GETGR_R_SIZE_MAX	70 /* user */
232#define	_SC_GETPW_R_SIZE_MAX	71 /* user */
233#define	_SC_HOST_NAME_MAX	72
234#define	_SC_LOGIN_NAME_MAX	73
235#define	_SC_MONOTONIC_CLOCK	74
236#define	_SC_MQ_PRIO_MAX		75
237#define	_SC_READER_WRITER_LOCKS	76 /* user */
238#define	_SC_REGEXP		77 /* user */
239#define	_SC_SHELL		78 /* user */
240#define	_SC_SPAWN		79 /* user */
241#define	_SC_SPIN_LOCKS		80 /* user */
242#define	_SC_SPORADIC_SERVER	81
243#define	_SC_THREAD_ATTR_STACKADDR 82 /* user */
244#define	_SC_THREAD_ATTR_STACKSIZE 83 /* user */
245#define	_SC_THREAD_CPUTIME	84 /* user */
246#define	_SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */
247#define	_SC_THREAD_KEYS_MAX	86 /* user */
248#define	_SC_THREAD_PRIO_INHERIT	87 /* user */
249#define	_SC_THREAD_PRIO_PROTECT	88 /* user */
250#define	_SC_THREAD_PRIORITY_SCHEDULING 89 /* user */
251#define	_SC_THREAD_PROCESS_SHARED 90 /* user */
252#define	_SC_THREAD_SAFE_FUNCTIONS 91 /* user */
253#define	_SC_THREAD_SPORADIC_SERVER 92 /* user */
254#define	_SC_THREAD_STACK_MIN	93 /* user */
255#define	_SC_THREAD_THREADS_MAX	94 /* user */
256#define	_SC_TIMEOUTS		95 /* user */
257#define	_SC_THREADS		96 /* user */
258#define	_SC_TRACE		97 /* user */
259#define	_SC_TRACE_EVENT_FILTER	98 /* user */
260#define	_SC_TRACE_INHERIT	99 /* user */
261#define	_SC_TRACE_LOG		100 /* user */
262#define	_SC_TTY_NAME_MAX	101 /* user */
263#define	_SC_TYPED_MEMORY_OBJECTS 102
264#define	_SC_V6_ILP32_OFF32	103 /* user */
265#define	_SC_V6_ILP32_OFFBIG	104 /* user */
266#define	_SC_V6_LP64_OFF64	105 /* user */
267#define	_SC_V6_LPBIG_OFFBIG	106 /* user */
268#define	_SC_IPV6		118
269#define	_SC_RAW_SOCKETS		119
270#define	_SC_SYMLOOP_MAX		120
271#endif
272
273#if __XSI_VISIBLE
274#define	_SC_ATEXIT_MAX		107 /* user */
275#define	_SC_IOV_MAX		56
276#define	_SC_PAGE_SIZE		_SC_PAGESIZE
277#define	_SC_XOPEN_CRYPT		108 /* user */
278#define	_SC_XOPEN_ENH_I18N	109 /* user */
279#define	_SC_XOPEN_LEGACY	110 /* user */
280#define	_SC_XOPEN_REALTIME	111
281#define	_SC_XOPEN_REALTIME_THREADS 112
282#define	_SC_XOPEN_SHM		113
283#define	_SC_XOPEN_STREAMS	114
284#define	_SC_XOPEN_UNIX		115
285#define	_SC_XOPEN_VERSION	116
286#define	_SC_XOPEN_XCU_VERSION	117 /* user */
287#endif
288
289#if __BSD_VISIBLE
290#define	_SC_NPROCESSORS_CONF	57
291#define	_SC_NPROCESSORS_ONLN	58
292#define	_SC_CPUSET_SIZE		122
293#endif
294
295/* Extensions found in Solaris and Linux. */
296#define	_SC_PHYS_PAGES		121
297
298/* Keys for the confstr(3) function. */
299#if __POSIX_VISIBLE >= 199209
300#define	_CS_PATH		1	/* default value of PATH */
301#endif
302
303#if __POSIX_VISIBLE >= 200112
304#define	_CS_POSIX_V6_ILP32_OFF32_CFLAGS		2
305#define	_CS_POSIX_V6_ILP32_OFF32_LDFLAGS	3
306#define	_CS_POSIX_V6_ILP32_OFF32_LIBS		4
307#define	_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS	5
308#define	_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS	6
309#define	_CS_POSIX_V6_ILP32_OFFBIG_LIBS		7
310#define	_CS_POSIX_V6_LP64_OFF64_CFLAGS		8
311#define	_CS_POSIX_V6_LP64_OFF64_LDFLAGS		9
312#define	_CS_POSIX_V6_LP64_OFF64_LIBS		10
313#define	_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS	11
314#define	_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS	12
315#define	_CS_POSIX_V6_LPBIG_OFFBIG_LIBS		13
316#define	_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS	14
317#endif
318
319__BEGIN_DECLS
320/* 1003.1-1990 */
321void	 _exit(int) __dead2;
322int	 access(const char *, int);
323unsigned int	 alarm(unsigned int);
324int	 chdir(const char *);
325int	 chown(const char *, uid_t, gid_t);
326int	 close(int);
327void	 closefrom(int);
328int	 dup(int);
329int	 dup2(int, int);
330int	 execl(const char *, const char *, ...) __null_sentinel;
331int	 execle(const char *, const char *, ...);
332int	 execlp(const char *, const char *, ...) __null_sentinel;
333int	 execv(const char *, char * const *);
334int	 execve(const char *, char * const *, char * const *);
335int	 execvp(const char *, char * const *);
336pid_t	 fork(void);
337long	 fpathconf(int, int);
338char	*getcwd(char *, size_t);
339gid_t	 getegid(void);
340uid_t	 geteuid(void);
341gid_t	 getgid(void);
342int	 getgroups(int, gid_t []);
343char	*getlogin(void);
344pid_t	 getpgrp(void);
345pid_t	 getpid(void);
346pid_t	 getppid(void);
347uid_t	 getuid(void);
348int	 isatty(int);
349int	 link(const char *, const char *);
350#ifndef _LSEEK_DECLARED
351#define	_LSEEK_DECLARED
352off_t	 lseek(int, off_t, int);
353#endif
354long	 pathconf(const char *, int);
355int	 pause(void);
356int	 pipe(int *);
357ssize_t	 read(int, void *, size_t);
358int	 rmdir(const char *);
359int	 setgid(gid_t);
360int	 setpgid(pid_t, pid_t);
361pid_t	 setsid(void);
362int	 setuid(uid_t);
363unsigned int	 sleep(unsigned int);
364long	 sysconf(int);
365pid_t	 tcgetpgrp(int);
366int	 tcsetpgrp(int, pid_t);
367char	*ttyname(int);
368int	ttyname_r(int, char *, size_t);
369int	 unlink(const char *);
370ssize_t	 write(int, const void *, size_t);
371
372/* 1003.2-1992 */
373#if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE
374size_t	 confstr(int, char *, size_t);
375#ifndef _GETOPT_DECLARED
376#define	_GETOPT_DECLARED
377int	 getopt(int, char * const [], const char *);
378
379extern char *optarg;			/* getopt(3) external variables */
380extern int optind, opterr, optopt;
381#endif /* _GETOPT_DECLARED */
382#endif
383
384/* ISO/IEC 9945-1: 1996 */
385#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
386int	 fsync(int);
387
388/*
389 * ftruncate() was in the POSIX Realtime Extension (it's used for shared
390 * memory), but truncate() was not.
391 */
392#ifndef _FTRUNCATE_DECLARED
393#define	_FTRUNCATE_DECLARED
394int	 ftruncate(int, off_t);
395#endif
396#endif
397
398#if __POSIX_VISIBLE >= 199506
399int	 getlogin_r(char *, int);
400#endif
401
402/* 1003.1-2001 */
403#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
404int	 fchown(int, uid_t, gid_t);
405ssize_t	 readlink(const char * __restrict, char * __restrict, size_t);
406#endif
407#if __POSIX_VISIBLE >= 200112
408int	 gethostname(char *, size_t);
409int	 setegid(gid_t);
410int	 seteuid(uid_t);
411#endif
412
413/* 1003.1-2008 */
414#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
415int	 getsid(pid_t _pid);
416int	 fchdir(int);
417int	 getpgid(pid_t _pid);
418int	 lchown(const char *, uid_t, gid_t);
419ssize_t	 pread(int, void *, size_t, off_t);
420ssize_t	 pwrite(int, const void *, size_t, off_t);
421
422/* See comment at ftruncate() above. */
423#ifndef _TRUNCATE_DECLARED
424#define	_TRUNCATE_DECLARED
425int	 truncate(const char *, off_t);
426#endif
427#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
428
429#if __POSIX_VISIBLE >= 200809
430int	faccessat(int, const char *, int, int);
431int	fchownat(int, const char *, uid_t, gid_t, int);
432int	fexecve(int, char *const [], char *const []);
433int	linkat(int, const char *, int, const char *, int);
434ssize_t	readlinkat(int, const char * __restrict, char * __restrict, size_t);
435int	symlinkat(const char *, int, const char *);
436int	unlinkat(int, const char *, int);
437#endif /* __POSIX_VISIBLE >= 200809 */
438
439/*
440 * symlink() was originally in POSIX.1a, which was withdrawn after
441 * being overtaken by events (1003.1-2001).  It was in XPG4.2, and of
442 * course has been in BSD since 4.2.
443 */
444#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402
445int	 symlink(const char * __restrict, const char * __restrict);
446#endif
447
448/* X/Open System Interfaces */
449#if __XSI_VISIBLE
450char	*crypt(const char *, const char *);
451/* char	*ctermid(char *); */		/* XXX ??? */
452int	 encrypt(char *, int);
453long	 gethostid(void);
454int	 lockf(int, int, off_t);
455int	 nice(int);
456int	 setregid(gid_t, gid_t);
457int	 setreuid(uid_t, uid_t);
458
459#ifndef _SWAB_DECLARED
460#define _SWAB_DECLARED
461void	 swab(const void * __restrict, void * __restrict, ssize_t);
462#endif /* _SWAB_DECLARED */
463
464void	 sync(void);
465
466#endif /* __XSI_VISIBLE */
467
468#if (__XSI_VISIBLE && __XSI_VISIBLE <= 500) || __BSD_VISIBLE
469int	 brk(const void *);
470int	 chroot(const char *);
471int	 getdtablesize(void);
472int	 getpagesize(void) __pure2;
473char	*getpass(const char *);
474void	*sbrk(intptr_t);
475#endif
476
477#if (__XSI_VISIBLE && __XSI_VISIBLE <= 600) || __BSD_VISIBLE
478char	*getwd(char *);			/* obsoleted by getcwd() */
479useconds_t
480	 ualarm(useconds_t, useconds_t);
481int	 usleep(useconds_t);
482pid_t	 vfork(void) __returns_twice;
483#endif
484
485#if __BSD_VISIBLE
486struct timeval;				/* select(2) */
487int	 acct(const char *);
488int	 async_daemon(void);
489int	 check_utility_compat(const char *);
490const char *
491	 crypt_get_format(void);
492int	 crypt_set_format(const char *);
493int	 des_cipher(const char *, char *, long, int);
494int	 des_setkey(const char *key);
495int	 dup3(int, int, int);
496int	 eaccess(const char *, int);
497void	 endusershell(void);
498int	 exect(const char *, char * const *, char * const *);
499int	 execvP(const char *, const char *, char * const *);
500int	 feature_present(const char *);
501char	*fflagstostr(u_long);
502int	 getdomainname(char *, int);
503int	 getgrouplist(const char *, gid_t, gid_t *, int *);
504int	 getloginclass(char *, size_t);
505mode_t	 getmode(const void *, mode_t);
506int	 getosreldate(void);
507int	 getpeereid(int, uid_t *, gid_t *);
508int	 getresgid(gid_t *, gid_t *, gid_t *);
509int	 getresuid(uid_t *, uid_t *, uid_t *);
510char	*getusershell(void);
511int	 initgroups(const char *, gid_t);
512int	 iruserok(unsigned long, int, const char *, const char *);
513int	 iruserok_sa(const void *, int, int, const char *, const char *);
514int	 issetugid(void);
515void	__FreeBSD_libc_enter_restricted_mode(void);
516long	 lpathconf(const char *, int);
517#ifndef _MKDTEMP_DECLARED
518char	*mkdtemp(char *);
519#define	_MKDTEMP_DECLARED
520#endif
521#ifndef	_MKNOD_DECLARED
522int	 mknod(const char *, mode_t, dev_t);
523#define	_MKNOD_DECLARED
524#endif
525#ifndef _MKSTEMP_DECLARED
526int	 mkstemp(char *);
527#define	_MKSTEMP_DECLARED
528#endif
529int	 mkstemps(char *, int);
530#ifndef _MKTEMP_DECLARED
531char	*mktemp(char *);
532#define	_MKTEMP_DECLARED
533#endif
534int	 nfssvc(int, void *);
535int	 nlm_syscall(int, int, int, char **);
536int	 pipe2(int *, int);
537int	 profil(char *, size_t, vm_offset_t, int);
538int	 rcmd(char **, int, const char *, const char *, const char *, int *);
539int	 rcmd_af(char **, int, const char *,
540		const char *, const char *, int *, int);
541int	 rcmdsh(char **, int, const char *,
542		const char *, const char *, const char *);
543char	*re_comp(const char *);
544int	 re_exec(const char *);
545int	 reboot(int);
546int	 revoke(const char *);
547pid_t	 rfork(int);
548pid_t	 rfork_thread(int, void *, int (*)(void *), void *);
549int	 rresvport(int *);
550int	 rresvport_af(int *, int);
551int	 ruserok(const char *, int, const char *, const char *);
552#if __BSD_VISIBLE
553#ifndef _SELECT_DECLARED
554#define	_SELECT_DECLARED
555int	 select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
556#endif
557#endif
558int	 setdomainname(const char *, int);
559int	 setgroups(int, const gid_t *);
560void	 sethostid(long);
561int	 sethostname(const char *, int);
562#ifndef _SETKEY_DECLARED
563int	 setkey(const char *);
564#define	_SETKEY_DECLARED
565#endif
566int	 setlogin(const char *);
567int	 setloginclass(const char *);
568void	*setmode(const char *);
569int	 setpgrp(pid_t, pid_t);			/* obsoleted by setpgid() */
570void	 setproctitle(const char *_fmt, ...) __printf0like(1, 2);
571int	 setresgid(gid_t, gid_t, gid_t);
572int	 setresuid(uid_t, uid_t, uid_t);
573int	 setrgid(gid_t);
574int	 setruid(uid_t);
575void	 setusershell(void);
576int	 strtofflags(char **, u_long *, u_long *);
577int	 swapon(const char *);
578int	 swapoff(const char *);
579int	 syscall(int, ...);
580off_t	 __syscall(quad_t, ...);
581int	 undelete(const char *);
582int	 unwhiteout(const char *);
583void	*valloc(size_t);			/* obsoleted by malloc() */
584
585#ifndef _OPTRESET_DECLARED
586#define	_OPTRESET_DECLARED
587extern int optreset;			/* getopt(3) external variable */
588#endif
589#endif /* __BSD_VISIBLE */
590__END_DECLS
591
592#endif /* !_UNISTD_H_ */
593