unistd.h revision 77272
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: head/include/unistd.h 77272 2001-05-27 19:57:36Z rnordier $
35 */
36
37#ifndef _UNISTD_H_
38#define	_UNISTD_H_
39
40#include <sys/cdefs.h>
41#include <sys/types.h>
42#include <sys/unistd.h>
43
44#define	 STDIN_FILENO	0	/* standard input file descriptor */
45#define	STDOUT_FILENO	1	/* standard output file descriptor */
46#define	STDERR_FILENO	2	/* standard error file descriptor */
47
48#ifndef NULL
49#define	NULL		0	/* null pointer constant */
50#endif
51
52#ifndef _POSIX_SOURCE
53#define	F_ULOCK		0	/* unlock locked section */
54#define	F_LOCK		1	/* lock a section for exclusive use */
55#define	F_TLOCK		2	/* test and lock a section for exclusive use */
56#define	F_TEST		3	/* test a section for locks by other procs */
57#endif
58
59__BEGIN_DECLS
60void	 _exit __P((int)) __dead2;
61int	 access __P((const char *, int));
62unsigned int	 alarm __P((unsigned int));
63int	 chdir __P((const char *));
64int	 chown __P((const char *, uid_t, gid_t));
65int	 close __P((int));
66int	 dup __P((int));
67int	 dup2 __P((int, int));
68int	 execl __P((const char *, const char *, ...));
69int	 execle __P((const char *, const char *, ...));
70int	 execlp __P((const char *, const char *, ...));
71int	 execv __P((const char *, char * const *));
72int	 execve __P((const char *, char * const *, char * const *));
73int	 execvp __P((const char *, char * const *));
74pid_t	 fork __P((void));
75long	 fpathconf __P((int, int));
76char	*getcwd __P((char *, size_t));
77gid_t	 getegid __P((void));
78uid_t	 geteuid __P((void));
79gid_t	 getgid __P((void));
80int	 getgroups __P((int, gid_t []));
81char	*getlogin __P((void));
82pid_t	 getpgrp __P((void));
83pid_t	 getpid __P((void));
84pid_t	 getppid __P((void));
85uid_t	 getuid __P((void));
86int	 isatty __P((int));
87int	 link __P((const char *, const char *));
88#ifndef _LSEEK_DECLARED
89#define	_LSEEK_DECLARED
90off_t	 lseek __P((int, off_t, int));
91#endif
92long	 pathconf __P((const char *, int));
93int	 pause __P((void));
94int	 pipe __P((int *));
95ssize_t	 read __P((int, void *, size_t));
96int	 rmdir __P((const char *));
97int	 setgid __P((gid_t));
98int	 setpgid __P((pid_t, pid_t));
99void	 setproctitle __P((const char *_fmt, ...)) __printf0like(1, 2);
100pid_t	 setsid __P((void));
101int	 setuid __P((uid_t));
102unsigned int	 sleep __P((unsigned int));
103long	 sysconf __P((int));
104pid_t	 tcgetpgrp __P((int));
105int	 tcsetpgrp __P((int, pid_t));
106char	*ttyname __P((int));
107int	 unlink __P((const char *));
108ssize_t	 write __P((int, const void *, size_t));
109
110extern char *optarg;			/* getopt(3) external variables */
111extern int optind, opterr, optopt;
112int	 getopt __P((int, char * const [], const char *));
113
114#ifndef	_POSIX_SOURCE
115#ifdef	__STDC__
116struct timeval;				/* select(2) */
117#endif
118int	 acct __P((const char *));
119int	 async_daemon __P((void));
120char	*brk __P((const char *));
121int	 chroot __P((const char *));
122size_t	 confstr __P((int, char *, size_t));
123char	*crypt __P((const char *, const char *));
124const char *crypt_get_format __P((void));
125int	 crypt_set_format __P((const char *));
126int	 des_cipher __P((const char *, char *, long, int));
127int	 des_setkey __P((const char *key));
128int	 encrypt __P((char *, int));
129void	 endusershell __P((void));
130int	 exect __P((const char *, char * const *, char * const *));
131int	 fchdir __P((int));
132int	 fchown __P((int, uid_t, gid_t));
133char	*fflagstostr __P((u_long));
134int	 fsync __P((int));
135#ifndef _FTRUNCATE_DECLARED
136#define	_FTRUNCATE_DECLARED
137int	 ftruncate __P((int, off_t));
138#endif
139int	 getdomainname __P((char *, int));
140int	 getdtablesize __P((void));
141int	 getgrouplist __P((const char *, int, int *, int *));
142long	 gethostid __P((void));
143int	 gethostname __P((char *, int));
144int	 getlogin_r __P((char *, int));
145mode_t	 getmode __P((const void *, mode_t));
146int	 getpagesize __P((void)) __pure2;
147char	*getpass __P((const char *));
148int	 getpgid __P((pid_t _pid));
149int	 getresgid __P((gid_t *, gid_t *, gid_t *));
150int	 getresuid __P((uid_t *, uid_t *, uid_t *));
151int	 getsid __P((pid_t _pid));
152char	*getusershell __P((void));
153char	*getwd __P((char *));			/* obsoleted by getcwd() */
154int	 initgroups __P((const char *, int));
155int	 iruserok __P((unsigned long, int, const char *, const char *));
156int	 iruserok_sa __P((const void *, int, int, const char *, const char *));
157int	 issetugid __P((void));
158int	 lchown __P((const char *, uid_t, gid_t));
159int	 lockf __P((int, int, off_t));
160char	*mkdtemp __P((char *));
161int	 mknod __P((const char *, mode_t, dev_t));
162int	 mkstemp __P((char *));
163int	 mkstemps __P((char *, int));
164char	*mktemp __P((char *));
165int	 nfssvc __P((int, void *));
166int	 nice __P((int));
167ssize_t	 pread __P((int, void *, size_t, off_t));
168int	 profil __P((char *, size_t, vm_offset_t, int));
169ssize_t	 pwrite __P((int, const void *, size_t, off_t));
170int	 rcmd __P((char **, int, const char *,
171		const char *, const char *, int *));
172int	 rcmd_af __P((char **, int, const char *,
173		const char *, const char *, int *, int));
174char	*re_comp __P((const char *));
175int	 re_exec __P((const char *));
176int	 readlink __P((const char *, char *, int));
177int	 reboot __P((int));
178int	 revoke __P((const char *));
179pid_t	 rfork __P((int));
180pid_t	 rfork_thread __P((int, void *, int (*)(void *), void *));
181int	 rresvport __P((int *));
182int	 rresvport_af __P((int *, int));
183int	 ruserok __P((const char *, int, const char *, const char *));
184char	*sbrk __P((int));
185int	 select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
186int	 setdomainname __P((const char *, int));
187int	 setegid __P((gid_t));
188int	 seteuid __P((uid_t));
189int	 setgroups __P((int, const gid_t *));
190void	 sethostid __P((long));
191int	 sethostname __P((const char *, int));
192int	 setkey __P((const char *));
193int	 setlogin __P((const char *));
194void	*setmode __P((const char *));
195int	 setpgrp __P((pid_t _pid, pid_t _pgrp)); /* obsoleted by setpgid() */
196int	 setregid __P((gid_t, gid_t));
197int	 setresgid __P((gid_t, gid_t, gid_t));
198int	 setresuid __P((uid_t, uid_t, uid_t));
199int	 setreuid __P((uid_t, uid_t));
200int	 setrgid __P((gid_t));
201int	 setruid __P((uid_t));
202void	 setusershell __P((void));
203int	 strtofflags __P((char **, u_long *, u_long *));
204int	 swapon __P((const char *));
205int	 symlink __P((const char *, const char *));
206void	 sync __P((void));
207int	 syscall __P((int, ...));
208off_t	 __syscall __P((quad_t, ...));
209#ifndef _TRUNCATE_DECLARED
210#define	_TRUNCATE_DECLARED
211int	 truncate __P((const char *, off_t));
212#endif
213int	 ttyslot __P((void));
214unsigned int	 ualarm __P((unsigned int, unsigned int));
215int	 undelete __P((const char *));
216int	 unwhiteout __P((const char *));
217int	 usleep __P((unsigned int));
218void	*valloc __P((size_t));			/* obsoleted by malloc() */
219pid_t	 vfork __P((void));
220
221extern char *suboptarg;			/* getsubopt(3) external variable */
222int	 getsubopt __P((char **, char * const *, char **));
223#endif /* !_POSIX_SOURCE */
224extern int optreset;			/* getopt(3) external variable */
225__END_DECLS
226
227#endif /* !_UNISTD_H_ */
228