xref: /openbsd/include/unistd.h (revision 07ea8d15)
1 /*	$OpenBSD: unistd.h,v 1.11 1996/12/13 17:06:23 deraadt Exp $ */
2 /*	$NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $	*/
3 
4 /*-
5  * Copyright (c) 1991 The Regents of the University of California.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)unistd.h	5.13 (Berkeley) 6/17/91
37  */
38 
39 #ifndef _UNISTD_H_
40 #define	_UNISTD_H_
41 
42 #include <sys/cdefs.h>
43 #include <sys/types.h>
44 #include <sys/unistd.h>
45 
46 #define	STDIN_FILENO	0	/* standard input file descriptor */
47 #define	STDOUT_FILENO	1	/* standard output file descriptor */
48 #define	STDERR_FILENO	2	/* standard error file descriptor */
49 
50 #ifndef NULL
51 #define	NULL		0	/* null pointer constant */
52 #endif
53 
54 __BEGIN_DECLS
55 __dead void	 _exit __P((int)) __attribute__((noreturn));
56 int	 access __P((const char *, int));
57 unsigned alarm __P((unsigned));
58 int	 chdir __P((const char *));
59 int	 chown __P((const char *, uid_t, gid_t));
60 int	 close __P((int));
61 size_t	 confstr __P((int, char *, size_t));
62 char	*cuserid __P((char *));
63 int	 dup __P((int));
64 int	 dup2 __P((int, int));
65 int	 execl __P((const char *, const char *, ...));
66 int	 execle __P((const char *, const char *, ...));
67 int	 execlp __P((const char *, const char *, ...));
68 int	 execv __P((const char *, char * const *));
69 int	 execve __P((const char *, char * const *, char * const *));
70 int	 execvp __P((const char *, char * const *));
71 pid_t	 fork __P((void));
72 long	 fpathconf __P((int, int));
73 char	*getcwd __P((char *, size_t));
74 gid_t	 getegid __P((void));
75 uid_t	 geteuid __P((void));
76 gid_t	 getgid __P((void));
77 int	 getgroups __P((int, gid_t *));
78 char	*getlogin __P((void));
79 pid_t	 getpgrp __P((void));
80 pid_t	 getpid __P((void));
81 pid_t	 getppid __P((void));
82 uid_t	 getuid __P((void));
83 int	 isatty __P((int));
84 int	 link __P((const char *, const char *));
85 off_t	 lseek __P((int, off_t, int));
86 long	 pathconf __P((const char *, int));
87 int	 pause __P((void));
88 int	 pipe __P((int *));
89 ssize_t	 read __P((int, void *, size_t));
90 int	 rmdir __P((const char *));
91 int	 setgid __P((gid_t));
92 int	 setpgid __P((pid_t, pid_t));
93 pid_t	 setsid __P((void));
94 int	 setuid __P((uid_t));
95 unsigned sleep __P((unsigned));
96 long	 sysconf __P((int));
97 pid_t	 tcgetpgrp __P((int));
98 int	 tcsetpgrp __P((int, pid_t));
99 char	*ttyname __P((int));
100 int	 unlink __P((const char *));
101 ssize_t	 write __P((int, const void *, size_t));
102 
103 #ifndef	_POSIX_SOURCE
104 
105 /* structure timeval required for select() */
106 #include <sys/time.h>
107 
108 int	 acct __P((const char *));
109 char	*brk __P((const char *));
110 int	 chroot __P((const char *));
111 char	*crypt __P((const char *, const char *));
112 int	 des_cipher __P((const char *, char *, long, int));
113 int	 des_setkey __P((const char *key));
114 int	 encrypt __P((char *, int));
115 void	 endusershell __P((void));
116 int	 exect __P((const char *, char * const *, char * const *));
117 int	 fchdir __P((int));
118 int	 fchown __P((int, uid_t, gid_t));
119 int	 fsync __P((int));
120 int	 ftruncate __P((int, off_t));
121 int	 getdomainname __P((char *, int));
122 int	 getdtablesize __P((void));
123 int	 getgrouplist __P((const char *, gid_t, gid_t *, int *));
124 long	 gethostid __P((void));
125 int	 gethostname __P((char *, int));
126 mode_t	 getmode __P((const void *, mode_t));
127 int	 getpagesize __P((void));
128 char	*getpass __P((const char *));
129 char	*getusershell __P((void));
130 char	*getwd __P((char *));			/* obsoleted by getcwd() */
131 int	 initgroups __P((const char *, gid_t));
132 int	 iruserok __P((u_int32_t, int, const char *, const char *));
133 int	 mknod __P((const char *, mode_t, dev_t));
134 int	 mkstemp __P((char *));
135 char	*mktemp __P((char *));
136 int	 nfssvc __P((int, void *));
137 int	 nice __P((int));
138 void	 psignal __P((unsigned int, const char *));
139 extern __const char *__const sys_siglist[];
140 int	 profil __P((char *, size_t, u_long, u_int));
141 int	 rcmd __P((char **, int, const char *,
142 		const char *, const char *, int *));
143 int	 rcmdsh __P((char **, int, const char *,
144 		const char *, const char *, char *));
145 char	*re_comp __P((const char *));
146 int	 re_exec __P((const char *));
147 int	 readlink __P((const char *, char *, int));
148 int	 reboot __P((int));
149 int	 revoke __P((const char *));
150 int	 rfork __P((int opts));
151 int	 rresvport __P((int *));
152 int	 ruserok __P((const char *, int, const char *, const char *));
153 int	 quotactl __P((const char *, int, int, char *));
154 char	*sbrk __P((int));
155 int	 select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
156 int	 setdomainname __P((const char *, int));
157 int	 setegid __P((gid_t));
158 int	 seteuid __P((uid_t));
159 int	 setgroups __P((int, const gid_t *));
160 int	 sethostid __P((long));
161 int	 sethostname __P((const char *, int));
162 int	 setkey __P((const char *));
163 int	 setlogin __P((const char *));
164 void	*setmode __P((const char *));
165 int	 setpgrp __P((pid_t pid, pid_t pgrp));	/* obsoleted by setpgid() */
166 int	 setregid __P((int, int));
167 int	 setreuid __P((int, int));
168 int	 setrgid __P((gid_t));
169 int	 setruid __P((uid_t));
170 void	 setusershell __P((void));
171 int	 swapon __P((const char *));
172 int	 symlink __P((const char *, const char *));
173 void	 sync __P((void));
174 int	 syscall __P((int, ...));
175 int	 truncate __P((const char *, off_t));
176 int	 ttyslot __P((void));
177 u_int	 ualarm __P((u_int, u_int));
178 int	 undelete __P((const char *));
179 void	 usleep __P((u_int));
180 void	*valloc __P((size_t));			/* obsoleted by malloc() */
181 pid_t	 vfork __P((void));
182 int	 issetugid __P((void));
183 
184 int	 getopt __P((int, char * const *, const char *));
185 extern	 char *optarg;			/* getopt(3) external variables */
186 extern	 int opterr;
187 extern	 int optind;
188 extern	 int optopt;
189 extern	 int optreset;
190 int	 getsubopt __P((char **, char * const *, char **));
191 extern	 char *suboptarg;		/* getsubopt(3) external variable */
192 #endif /* !_POSIX_SOURCE */
193 __END_DECLS
194 
195 #endif /* !_UNISTD_H_ */
196