2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
33 * @(#)unistd.h 8.12 (Berkeley) 4/27/95
34 * $FreeBSD: src/include/unistd.h,v 1.35.2.10 2002/04/15 12:52:28 nectar Exp $
35 * $DragonFly: src/include/unistd.h,v 1.6 2003/11/14 01:01:43 dillon Exp $
41 #include <sys/cdefs.h>
42 #include <sys/types.h>
43 #include <sys/unistd.h>
45 #define STDIN_FILENO 0 /* standard input file descriptor */
46 #define STDOUT_FILENO 1 /* standard output file descriptor */
47 #define STDERR_FILENO 2 /* standard error file descriptor */
50 #define NULL 0 /* null pointer constant */
54 #define F_ULOCK 0 /* unlock locked section */
55 #define F_LOCK 1 /* lock a section for exclusive use */
56 #define F_TLOCK 2 /* test and lock a section for exclusive use */
57 #define F_TEST 3 /* test a section for locks by other procs */
61 void _exit (int) __dead2;
62 int access (const char *, int);
63 unsigned int alarm (unsigned int);
64 int chdir (const char *);
65 int chown (const char *, uid_t, gid_t);
69 int execl (const char *, const char *, ...);
70 int execle (const char *, const char *, ...);
71 int execlp (const char *, const char *, ...);
72 int execv (const char *, char * const *);
73 int execve (const char *, char * const *, char * const *);
74 int execvp (const char *, char * const *);
76 long fpathconf (int, int);
77 char *getcwd (char *, size_t);
81 int getgroups (int, gid_t []);
82 char *getlogin (void);
88 int link (const char *, const char *);
89 #ifndef _LSEEK_DECLARED
90 #define _LSEEK_DECLARED
91 off_t lseek (int, off_t, int);
93 long pathconf (const char *, int);
96 ssize_t read (int, void *, size_t);
97 int rmdir (const char *);
99 int setpgid (pid_t, pid_t);
100 void setproctitle (const char *_fmt, ...) __printf0like(1, 2);
103 unsigned int sleep (unsigned int);
105 pid_t tcgetpgrp (int);
106 int tcsetpgrp (int, pid_t);
108 int unlink (const char *);
109 ssize_t write (int, const void *, size_t);
111 extern char *optarg; /* getopt(3) external variables */
112 extern int optind, opterr, optopt;
113 int getopt (int, char * const [], const char *);
115 #ifndef _POSIX_SOURCE
117 struct timeval; /* select(2) */
119 int acct (const char *);
120 int async_daemon (void);
121 int brk (const void *);
122 int chroot (const char *);
123 size_t confstr (int, char *, size_t);
124 char *crypt (const char *, const char *);
126 crypt_get_format (void);
127 int crypt_set_format (const char *);
128 int des_cipher (const char *, char *, long, int);
129 int des_setkey (const char *key);
130 int encrypt (char *, int);
131 void endusershell (void);
132 int exect (const char *, char * const *, char * const *);
134 int fchown (int, uid_t, gid_t);
135 char *fflagstostr (u_long);
137 #ifndef _FTRUNCATE_DECLARED
138 #define _FTRUNCATE_DECLARED
139 int ftruncate (int, off_t);
141 int getdomainname (char *, int);
142 int getdtablesize (void);
143 int getgrouplist (const char *, int, int *, int *);
144 long gethostid (void);
145 int gethostname (char *, int);
146 int getlogin_r (char *, int);
147 mode_t getmode (const void *, mode_t);
148 int getpagesize (void) __pure2;
149 char *getpass (const char *);
150 int getpeereid (int, uid_t *, gid_t *);
151 int getpgid (pid_t _pid);
152 int getresgid (gid_t *, gid_t *, gid_t *);
153 int getresuid (uid_t *, uid_t *, uid_t *);
154 int getsid (pid_t _pid);
155 char *getusershell (void);
156 char *getwd (char *); /* obsoleted by getcwd() */
157 int initgroups (const char *, int);
158 int iruserok (unsigned long, int, const char *, const char *);
159 int iruserok_sa (const void *, int, int, const char *, const char *);
160 int issetugid (void);
161 int lchown (const char *, uid_t, gid_t);
162 int lockf (int, int, off_t);
163 char *mkdtemp (char *);
164 int mknod (const char *, mode_t, dev_t);
165 int mkstemp (char *);
166 int mkstemps (char *, int);
167 char *mktemp (char *);
168 int nfssvc (int, void *);
170 ssize_t pread (int, void *, size_t, off_t);
171 int profil (char *, size_t, vm_offset_t, int);
172 ssize_t pwrite (int, const void *, size_t, off_t);
173 int rcmd (char **, int, const char *,
174 const char *, const char *, int *);
175 int rcmd_af (char **, int, const char *,
176 const char *, const char *, int *, int);
177 int rcmdsh (char **, int, const char *,
178 const char *, const char *, const char *);
179 char *re_comp (const char *);
180 int re_exec (const char *);
181 int readlink (const char *, char *, int);
183 int revoke (const char *);
185 pid_t rfork_thread (int, void *, int (*) (void *), void *);
186 int rresvport (int *);
187 int rresvport_af (int *, int);
188 int ruserok (const char *, int, const char *, const char *);
189 void *sbrk (intptr_t);
190 int select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
191 int setdomainname (const char *, int);
194 int setgroups (int, const gid_t *);
195 void sethostid (long);
196 int sethostname (const char *, int);
197 int setkey (const char *);
198 int setlogin (const char *);
199 void *setmode (const char *);
200 int setpgrp (pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
201 int setregid (gid_t, gid_t);
202 int setresgid (gid_t, gid_t, gid_t);
203 int setresuid (uid_t, uid_t, uid_t);
204 int setreuid (uid_t, uid_t);
207 void setusershell (void);
208 int strtofflags (char **, u_long *, u_long *);
209 int swapon (const char *);
210 int symlink (const char *, const char *);
212 int syscall (int, ...);
213 off_t __syscall (quad_t, ...);
214 #ifndef _TRUNCATE_DECLARED
215 #define _TRUNCATE_DECLARED
216 int truncate (const char *, off_t);
219 unsigned int ualarm (unsigned int, unsigned int);
220 int undelete (const char *);
221 int unwhiteout (const char *);
222 int usleep (unsigned int);
223 void *valloc (size_t); /* obsoleted by malloc() */
225 int varsym_set(int, const char *, const char *);
226 int varsym_get(int, const char *, char *, int);
227 int varsym_list(int, char *, int, int *);
229 extern char *suboptarg; /* getsubopt(3) external variable */
230 int getsubopt (char **, char * const *, char **);
231 #endif /* !_POSIX_SOURCE */
232 extern int optreset; /* getopt(3) external variable */
235 #endif /* !_UNISTD_H_ */