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 1.4 2003/11/05 23:56:48 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 __P((int)) __dead2;
62 int access __P((const char *, int));
63 unsigned int alarm __P((unsigned int));
64 int chdir __P((const char *));
65 int chown __P((const char *, uid_t, gid_t));
68 int dup2 __P((int, int));
69 int execl __P((const char *, const char *, ...));
70 int execle __P((const char *, const char *, ...));
71 int execlp __P((const char *, const char *, ...));
72 int execv __P((const char *, char * const *));
73 int execve __P((const char *, char * const *, char * const *));
74 int execvp __P((const char *, char * const *));
75 pid_t fork __P((void));
76 long fpathconf __P((int, int));
77 char *getcwd __P((char *, size_t));
78 gid_t getegid __P((void));
79 uid_t geteuid __P((void));
80 gid_t getgid __P((void));
81 int getgroups __P((int, gid_t []));
82 char *getlogin __P((void));
83 pid_t getpgrp __P((void));
84 pid_t getpid __P((void));
85 pid_t getppid __P((void));
86 uid_t getuid __P((void));
87 int isatty __P((int));
88 int link __P((const char *, const char *));
89 #ifndef _LSEEK_DECLARED
90 #define _LSEEK_DECLARED
91 off_t lseek __P((int, off_t, int));
93 long pathconf __P((const char *, int));
94 int pause __P((void));
95 int pipe __P((int *));
96 ssize_t read __P((int, void *, size_t));
97 int rmdir __P((const char *));
98 int setgid __P((gid_t));
99 int setpgid __P((pid_t, pid_t));
100 void setproctitle __P((const char *_fmt, ...)) __printf0like(1, 2);
101 pid_t setsid __P((void));
102 int setuid __P((uid_t));
103 unsigned int sleep __P((unsigned int));
104 long sysconf __P((int));
105 pid_t tcgetpgrp __P((int));
106 int tcsetpgrp __P((int, pid_t));
107 char *ttyname __P((int));
108 int unlink __P((const char *));
109 ssize_t write __P((int, const void *, size_t));
111 extern char *optarg; /* getopt(3) external variables */
112 extern int optind, opterr, optopt;
113 int getopt __P((int, char * const [], const char *));
115 #ifndef _POSIX_SOURCE
117 struct timeval; /* select(2) */
119 int acct __P((const char *));
120 int async_daemon __P((void));
121 int brk __P((const void *));
122 int chroot __P((const char *));
123 size_t confstr __P((int, char *, size_t));
124 char *crypt __P((const char *, const char *));
126 crypt_get_format __P((void));
127 int crypt_set_format __P((const char *));
128 int des_cipher __P((const char *, char *, long, int));
129 int des_setkey __P((const char *key));
130 int encrypt __P((char *, int));
131 void endusershell __P((void));
132 int exect __P((const char *, char * const *, char * const *));
133 int fchdir __P((int));
134 int fchown __P((int, uid_t, gid_t));
135 char *fflagstostr __P((u_long));
136 int fsync __P((int));
137 #ifndef _FTRUNCATE_DECLARED
138 #define _FTRUNCATE_DECLARED
139 int ftruncate __P((int, off_t));
141 int getdomainname __P((char *, int));
142 int getdtablesize __P((void));
143 int getgrouplist __P((const char *, int, int *, int *));
144 long gethostid __P((void));
145 int gethostname __P((char *, int));
146 int getlogin_r __P((char *, int));
147 mode_t getmode __P((const void *, mode_t));
148 int getpagesize __P((void)) __pure2;
149 char *getpass __P((const char *));
150 int getpeereid __P((int, uid_t *, gid_t *));
151 int getpgid __P((pid_t _pid));
152 int getresgid __P((gid_t *, gid_t *, gid_t *));
153 int getresuid __P((uid_t *, uid_t *, uid_t *));
154 int getsid __P((pid_t _pid));
155 char *getusershell __P((void));
156 char *getwd __P((char *)); /* obsoleted by getcwd() */
157 int initgroups __P((const char *, int));
158 int iruserok __P((unsigned long, int, const char *, const char *));
159 int iruserok_sa __P((const void *, int, int, const char *, const char *));
160 int issetugid __P((void));
161 int lchown __P((const char *, uid_t, gid_t));
162 int lockf __P((int, int, off_t));
163 char *mkdtemp __P((char *));
164 int mknod __P((const char *, mode_t, dev_t));
165 int mkstemp __P((char *));
166 int mkstemps __P((char *, int));
167 char *mktemp __P((char *));
168 int nfssvc __P((int, void *));
170 ssize_t pread __P((int, void *, size_t, off_t));
171 int profil __P((char *, size_t, vm_offset_t, int));
172 ssize_t pwrite __P((int, const void *, size_t, off_t));
173 int rcmd __P((char **, int, const char *,
174 const char *, const char *, int *));
175 int rcmd_af __P((char **, int, const char *,
176 const char *, const char *, int *, int));
177 int rcmdsh __P((char **, int, const char *,
178 const char *, const char *, const char *));
179 char *re_comp __P((const char *));
180 int re_exec __P((const char *));
181 int readlink __P((const char *, char *, int));
182 int reboot __P((int));
183 int revoke __P((const char *));
184 pid_t rfork __P((int));
185 pid_t rfork_thread __P((int, void *, int (*) __P((void *)), void *));
186 int rresvport __P((int *));
187 int rresvport_af __P((int *, int));
188 int ruserok __P((const char *, int, const char *, const char *));
189 void *sbrk __P((intptr_t));
190 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
191 int setdomainname __P((const char *, int));
192 int setegid __P((gid_t));
193 int seteuid __P((uid_t));
194 int setgroups __P((int, const gid_t *));
195 void sethostid __P((long));
196 int sethostname __P((const char *, int));
197 int setkey __P((const char *));
198 int setlogin __P((const char *));
199 void *setmode __P((const char *));
200 int setpgrp __P((pid_t _pid, pid_t _pgrp)); /* obsoleted by setpgid() */
201 int setregid __P((gid_t, gid_t));
202 int setresgid __P((gid_t, gid_t, gid_t));
203 int setresuid __P((uid_t, uid_t, uid_t));
204 int setreuid __P((uid_t, uid_t));
205 int setrgid __P((gid_t));
206 int setruid __P((uid_t));
207 void setusershell __P((void));
208 int strtofflags __P((char **, u_long *, u_long *));
209 int swapon __P((const char *));
210 int symlink __P((const char *, const char *));
211 void sync __P((void));
212 int syscall __P((int, ...));
213 off_t __syscall __P((quad_t, ...));
214 #ifndef _TRUNCATE_DECLARED
215 #define _TRUNCATE_DECLARED
216 int truncate __P((const char *, off_t));
218 int ttyslot __P((void));
219 unsigned int ualarm __P((unsigned int, unsigned int));
220 int undelete __P((const char *));
221 int unwhiteout __P((const char *));
222 int usleep __P((unsigned int));
223 void *valloc __P((size_t)); /* obsoleted by malloc() */
224 pid_t vfork __P((void));
225 int varsym_set(int, const char *, const char *);
226 int varsym_get(int, const char *, char *, int);
228 extern char *suboptarg; /* getsubopt(3) external variable */
229 int getsubopt __P((char **, char * const *, char **));
230 #endif /* !_POSIX_SOURCE */
231 extern int optreset; /* getopt(3) external variable */
234 #endif /* !_UNISTD_H_ */