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
39 #include <sys/cdefs.h>
40 #include <sys/types.h>
41 #include <sys/unistd.h>
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 */
48 #define NULL 0 /* null pointer constant */
52 #define F_ULOCK 0 /* unlock locked section */
53 #define F_LOCK 1 /* lock a section for exclusive use */
54 #define F_TLOCK 2 /* test and lock a section for exclusive use */
55 #define F_TEST 3 /* test a section for locks by other procs */
59 void _exit __P((int)) __dead2;
60 int access __P((const char *, int));
61 unsigned int alarm __P((unsigned int));
62 int chdir __P((const char *));
63 int chown __P((const char *, uid_t, gid_t));
66 int dup2 __P((int, int));
67 int execl __P((const char *, const char *, ...));
68 int execle __P((const char *, const char *, ...));
69 int execlp __P((const char *, const char *, ...));
70 int execv __P((const char *, char * const *));
71 int execve __P((const char *, char * const *, char * const *));
72 int execvp __P((const char *, char * const *));
73 pid_t fork __P((void));
74 long fpathconf __P((int, int));
75 char *getcwd __P((char *, size_t));
76 gid_t getegid __P((void));
77 uid_t geteuid __P((void));
78 gid_t getgid __P((void));
79 int getgroups __P((int, gid_t []));
80 char *getlogin __P((void));
81 pid_t getpgrp __P((void));
82 pid_t getpid __P((void));
83 pid_t getppid __P((void));
84 uid_t getuid __P((void));
85 int isatty __P((int));
86 int link __P((const char *, const char *));
87 #ifndef _LSEEK_DECLARED
88 #define _LSEEK_DECLARED
89 off_t lseek __P((int, off_t, int));
91 long pathconf __P((const char *, int));
92 int pause __P((void));
93 int pipe __P((int *));
94 ssize_t read __P((int, void *, size_t));
95 int rmdir __P((const char *));
96 int setgid __P((gid_t));
97 int setpgid __P((pid_t, pid_t));
98 pid_t setsid __P((void));
99 int setuid __P((uid_t));
100 unsigned int sleep __P((unsigned int));
101 long sysconf __P((int));
102 pid_t tcgetpgrp __P((int));
103 int tcsetpgrp __P((int, pid_t));
104 char *ttyname __P((int));
105 int unlink __P((const char *));
106 ssize_t write __P((int, const void *, size_t));
108 extern char *optarg; /* getopt(3) external variables */
109 extern int optind, opterr, optopt;
110 int getopt __P((int, char * const [], const char *));
112 #ifndef _POSIX_SOURCE
114 struct timeval; /* select(2) */
116 int acct __P((const char *));
117 int async_daemon __P((void));
118 char *brk __P((const char *));
119 int chroot __P((const char *));
120 size_t confstr __P((int, char *, size_t));
121 char *crypt __P((const char *, const char *));
122 int des_cipher __P((const char *, char *, long, int));
123 int des_setkey __P((const char *key));
124 int encrypt __P((char *, int));
125 void endusershell __P((void));
126 int exect __P((const char *, char * const *, char * const *));
127 int fchdir __P((int));
128 int fchown __P((int, uid_t, gid_t));
129 int fsync __P((int));
130 #ifndef _FTRUNCATE_DECLARED
131 #define _FTRUNCATE_DECLARED
132 int ftruncate __P((int, off_t));
134 int getdomainname __P((char *, int));
135 int getdtablesize __P((void));
136 int getgrouplist __P((const char *, int, int *, int *));
137 long gethostid __P((void));
138 int gethostname __P((char *, int));
139 mode_t getmode __P((const void *, mode_t));
140 int getpagesize __P((void)) __pure2;
141 char *getpass __P((const char *));
142 int getpgid __P((pid_t _pid));
143 int getsid __P((pid_t _pid));
144 char *getusershell __P((void));
145 char *getwd __P((char *)); /* obsoleted by getcwd() */
146 int initgroups __P((const char *, int));
147 int iruserok __P((unsigned long, int, const char *, const char *));
148 int issetugid __P((void));
149 int lchown __P((const char *, uid_t, gid_t));
150 int lockf __P((int, int, off_t));
151 char *mkdtemp __P((char *));
152 int mknod __P((const char *, mode_t, dev_t));
153 int mkstemp __P((char *));
154 char *mktemp __P((char *));
155 int nfssvc __P((int, void *));
157 int profil __P((char *, int, int, int));
158 int rcmd __P((char **, int, const char *,
159 const char *, const char *, int *));
160 char *re_comp __P((const char *));
161 int re_exec __P((const char *));
162 int readlink __P((const char *, char *, int));
163 int reboot __P((int));
164 int revoke __P((const char *));
165 pid_t rfork __P((int));
166 int rresvport __P((int *));
167 int ruserok __P((const char *, int, const char *, const char *));
168 char *sbrk __P((int));
169 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
170 int setdomainname __P((const char *, int));
171 int setegid __P((gid_t));
172 int seteuid __P((uid_t));
173 int setgroups __P((int, const gid_t *));
174 void sethostid __P((long));
175 int sethostname __P((const char *, int));
176 int setkey __P((const char *));
177 int setlogin __P((const char *));
178 void *setmode __P((const char *));
179 int setpgrp __P((pid_t _pid, pid_t _pgrp)); /* obsoleted by setpgid() */
180 int setregid __P((gid_t, gid_t));
181 int setreuid __P((uid_t, uid_t));
182 int setrgid __P((gid_t));
183 int setruid __P((uid_t));
184 void setusershell __P((void));
185 int swapon __P((const char *));
186 int symlink __P((const char *, const char *));
187 void sync __P((void));
188 int syscall __P((int, ...));
189 off_t __syscall __P((quad_t, ...));
190 #ifndef _TRUNCATE_DECLARED
191 #define _TRUNCATE_DECLARED
192 int truncate __P((const char *, off_t));
194 int ttyslot __P((void));
195 unsigned int ualarm __P((unsigned int, unsigned int));
196 int undelete __P((const char *));
197 int unwhiteout __P((const char *));
198 int usleep __P((unsigned int));
199 void *valloc __P((size_t)); /* obsoleted by malloc() */
200 pid_t vfork __P((void));
202 extern char *suboptarg; /* getsubopt(3) external variable */
203 int getsubopt __P((char **, char * const *, char **));
204 #endif /* !_POSIX_SOURCE */
205 extern int optreset; /* getopt(3) external variable */
208 #endif /* !_UNISTD_H_ */