unistd.h revision 23657
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 */
35
36#ifndef _UNISTD_H_
37#define	_UNISTD_H_
38
39#include <sys/cdefs.h>
40#include <sys/types.h>
41#include <sys/unistd.h>
42
43#define	 STDIN_FILENO	0	/* standard input file descriptor */
44#define	STDOUT_FILENO	1	/* standard output file descriptor */
45#define	STDERR_FILENO	2	/* standard error file descriptor */
46
47#ifndef NULL
48#define	NULL		0	/* null pointer constant */
49#endif
50
51__BEGIN_DECLS
52void	 _exit __P((int)) __dead2;
53int	 access __P((const char *, int));
54unsigned int	 alarm __P((unsigned int));
55int	 chdir __P((const char *));
56int	 chown __P((const char *, uid_t, gid_t));
57int	 close __P((int));
58int	 dup __P((int));
59int	 dup2 __P((int, int));
60int	 execl __P((const char *, const char *, ...));
61int	 execle __P((const char *, const char *, ...));
62int	 execlp __P((const char *, const char *, ...));
63int	 execv __P((const char *, char * const *));
64int	 execve __P((const char *, char * const *, char * const *));
65int	 execvp __P((const char *, char * const *));
66pid_t	 fork __P((void));
67long	 fpathconf __P((int, int));
68char	*getcwd __P((char *, size_t));
69gid_t	 getegid __P((void));
70uid_t	 geteuid __P((void));
71gid_t	 getgid __P((void));
72int	 getgroups __P((int, gid_t []));
73char	*getlogin __P((void));
74pid_t	 getpgrp __P((void));
75pid_t	 getpid __P((void));
76pid_t	 getppid __P((void));
77uid_t	 getuid __P((void));
78int	 isatty __P((int));
79int	 link __P((const char *, const char *));
80off_t	 lseek __P((int, off_t, int));
81long	 pathconf __P((const char *, int));
82int	 pause __P((void));
83int	 pipe __P((int *));
84ssize_t	 read __P((int, void *, size_t));
85int	 rmdir __P((const char *));
86int	 setgid __P((gid_t));
87int	 setpgid __P((pid_t, pid_t));
88pid_t	 setsid __P((void));
89int	 setuid __P((uid_t));
90unsigned int	 sleep __P((unsigned int));
91long	 sysconf __P((int));
92pid_t	 tcgetpgrp __P((int));
93int	 tcsetpgrp __P((int, pid_t));
94char	*ttyname __P((int));
95int	 unlink __P((const char *));
96ssize_t	 write __P((int, const void *, size_t));
97
98extern char *optarg;			/* getopt(3) external variables */
99extern int optind, opterr, optopt;
100int	 getopt __P((int, char * const [], const char *));
101
102#ifndef	_POSIX_SOURCE
103#ifdef	__STDC__
104struct timeval;				/* select(2) */
105#endif
106int	 acct __P((const char *));
107int	 async_daemon __P((void));
108char	*brk __P((const char *));
109int	 chroot __P((const char *));
110size_t	 confstr __P((int, char *, size_t));
111char	*crypt __P((const char *, const char *));
112int	 des_cipher __P((const char *, char *, long, int));
113int	 des_setkey __P((const char *key));
114int	 encrypt __P((char *, int));
115void	 endusershell __P((void));
116int	 exect __P((const char *, char * const *, char * const *));
117int	 fchdir __P((int));
118int	 fchown __P((int, uid_t, gid_t));
119int	 fsync __P((int));
120int	 ftruncate __P((int, off_t));
121int	 getdomainname __P((char *, int));
122int	 getdtablesize __P((void));
123int	 getgrouplist __P((const char *, int, int *, int *));
124long	 gethostid __P((void));
125int	 gethostname __P((char *, int));
126mode_t	 getmode __P((const void *, mode_t));
127int	 getpagesize __P((void)) __pure2;
128char	*getpass __P((const char *));
129char	*getusershell __P((void));
130char	*getwd __P((char *));			/* obsoleted by getcwd() */
131int	 initgroups __P((const char *, int));
132int	 iruserok __P((unsigned long, int, const char *, const char *));
133int	 mknod __P((const char *, mode_t, dev_t));
134int	 mkstemp __P((char *));
135char	*mktemp __P((char *));
136int	 nfssvc __P((int, void *));
137int	 nice __P((int));
138void	 psignal __P((unsigned int, const char *));
139extern __const char *__const sys_siglist[];
140int	 profil __P((char *, int, int, int));
141int	 rcmd __P((char **, int, const char *,
142		const char *, const char *, int *));
143char	*re_comp __P((const char *));
144int	 re_exec __P((const char *));
145int	 readlink __P((const char *, char *, int));
146int	 reboot __P((int));
147int	 revoke __P((const char *));
148pid_t	 rfork __P((int));
149int	 rresvport __P((int *));
150int	 ruserok __P((const char *, int, const char *, const char *));
151char	*sbrk __P((int));
152int	 select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
153int	 setdomainname __P((const char *, int));
154int	 setegid __P((gid_t));
155int	 seteuid __P((uid_t));
156int	 setgroups __P((int, const gid_t *));
157void	 sethostid __P((long));
158int	 sethostname __P((const char *, int));
159int	 setkey __P((const char *));
160int	 setlogin __P((const char *));
161void	*setmode __P((const char *));
162int	 setpgrp __P((pid_t pid, pid_t pgrp));	/* obsoleted by setpgid() */
163int	 setregid __P((gid_t, gid_t));
164int	 setreuid __P((uid_t, uid_t));
165int	 setrgid __P((gid_t));
166int	 setruid __P((uid_t));
167void	 setusershell __P((void));
168int	 swapon __P((const char *));
169int	 symlink __P((const char *, const char *));
170void	 sync __P((void));
171int	 syscall __P((int, ...));
172off_t	 __syscall __P((quad_t, ...));
173int	 truncate __P((const char *, off_t));
174int	 ttyslot __P((void));
175unsigned int	 ualarm __P((unsigned int, unsigned int));
176int	 unwhiteout __P((const char *));
177void	 usleep __P((unsigned int));
178void	*valloc __P((size_t));			/* obsoleted by malloc() */
179pid_t	 vfork __P((void));
180
181extern char *suboptarg;			/* getsubopt(3) external variable */
182int	 getsubopt __P((char **, char * const *, char **));
183#endif /* !_POSIX_SOURCE */
184__END_DECLS
185
186#endif /* !_UNISTD_H_ */
187