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
40 #include <sys/cdefs.h>
41 #include <sys/types.h>
42 #include <sys/unistd.h>
44 #define STDIN_FILENO 0 /* standard input file descriptor */
45 #define STDOUT_FILENO 1 /* standard output file descriptor */
46 #define STDERR_FILENO 2 /* standard error file descriptor */
49 #define NULL 0 /* null pointer constant */
53 #define F_ULOCK 0 /* unlock locked section */
54 #define F_LOCK 1 /* lock a section for exclusive use */
55 #define F_TLOCK 2 /* test and lock a section for exclusive use */
56 #define F_TEST 3 /* test a section for locks by other procs */
60 void _exit __P((int)) __dead2;
61 int access __P((const char *, int));
62 unsigned int alarm __P((unsigned int));
63 int chdir __P((const char *));
64 int chown __P((const char *, uid_t, gid_t));
67 int dup2 __P((int, int));
68 int execl __P((const char *, const char *, ...));
69 int execle __P((const char *, const char *, ...));
70 int execlp __P((const char *, const char *, ...));
71 int execv __P((const char *, char * const *));
72 int execve __P((const char *, char * const *, char * const *));
73 int execvp __P((const char *, char * const *));
74 pid_t fork __P((void));
75 long fpathconf __P((int, int));
76 char *getcwd __P((char *, size_t));
77 gid_t getegid __P((void));
78 uid_t geteuid __P((void));
79 gid_t getgid __P((void));
80 int getgroups __P((int, gid_t []));
81 char *getlogin __P((void));
82 pid_t getpgrp __P((void));
83 pid_t getpid __P((void));
84 pid_t getppid __P((void));
85 uid_t getuid __P((void));
86 int isatty __P((int));
87 int link __P((const char *, const char *));
88 #ifndef _LSEEK_DECLARED
89 #define _LSEEK_DECLARED
90 off_t lseek __P((int, off_t, int));
92 long pathconf __P((const char *, int));
93 int pause __P((void));
94 int pipe __P((int *));
95 ssize_t read __P((int, void *, size_t));
96 int rmdir __P((const char *));
97 int setgid __P((gid_t));
98 int setpgid __P((pid_t, pid_t));
99 void setproctitle __P((const char *_fmt, ...)) __printf0like(1, 2);
100 pid_t setsid __P((void));
101 int setuid __P((uid_t));
102 unsigned int sleep __P((unsigned int));
103 long sysconf __P((int));
104 pid_t tcgetpgrp __P((int));
105 int tcsetpgrp __P((int, pid_t));
106 char *ttyname __P((int));
107 int unlink __P((const char *));
108 ssize_t write __P((int, const void *, size_t));
110 extern char *optarg; /* getopt(3) external variables */
111 extern int optind, opterr, optopt;
112 int getopt __P((int, char * const [], const char *));
114 #ifndef _POSIX_SOURCE
116 struct timeval; /* select(2) */
118 int acct __P((const char *));
119 int async_daemon __P((void));
120 char *brk __P((const char *));
121 int chroot __P((const char *));
122 size_t confstr __P((int, char *, size_t));
123 char *crypt __P((const char *, const char *));
124 const char *crypt_get_format __P((void));
125 int crypt_set_format __P((const char *));
126 int des_cipher __P((const char *, char *, long, int));
127 int des_setkey __P((const char *key));
128 int encrypt __P((char *, int));
129 void endusershell __P((void));
130 int exect __P((const char *, char * const *, char * const *));
131 int fchdir __P((int));
132 int fchown __P((int, uid_t, gid_t));
133 char *fflagstostr __P((u_long));
134 int fsync __P((int));
135 #ifndef _FTRUNCATE_DECLARED
136 #define _FTRUNCATE_DECLARED
137 int ftruncate __P((int, off_t));
139 int getdomainname __P((char *, int));
140 int getdtablesize __P((void));
141 int getgrouplist __P((const char *, int, int *, int *));
142 long gethostid __P((void));
143 int gethostname __P((char *, int));
144 int getlogin_r __P((char *, int));
145 mode_t getmode __P((const void *, mode_t));
146 int getpagesize __P((void)) __pure2;
147 char *getpass __P((const char *));
148 int getpgid __P((pid_t _pid));
149 int getresgid __P((gid_t *, gid_t *, gid_t *));
150 int getresuid __P((uid_t *, uid_t *, uid_t *));
151 int getsid __P((pid_t _pid));
152 char *getusershell __P((void));
153 char *getwd __P((char *)); /* obsoleted by getcwd() */
154 int initgroups __P((const char *, int));
155 int iruserok __P((unsigned long, int, const char *, const char *));
156 int iruserok_sa __P((const void *, int, int, const char *, const char *));
157 int issetugid __P((void));
158 int lchown __P((const char *, uid_t, gid_t));
159 int lockf __P((int, int, off_t));
160 char *mkdtemp __P((char *));
161 int mknod __P((const char *, mode_t, dev_t));
162 int mkstemp __P((char *));
163 int mkstemps __P((char *, int));
164 char *mktemp __P((char *));
165 int nfssvc __P((int, void *));
167 ssize_t pread __P((int, void *, size_t, off_t));
168 int profil __P((char *, size_t, vm_offset_t, int));
169 ssize_t pwrite __P((int, const void *, size_t, off_t));
170 int rcmd __P((char **, int, const char *,
171 const char *, const char *, int *));
172 int rcmd_af __P((char **, int, const char *,
173 const char *, const char *, int *, int));
174 char *re_comp __P((const char *));
175 int re_exec __P((const char *));
176 int readlink __P((const char *, char *, int));
177 int reboot __P((int));
178 int revoke __P((const char *));
179 pid_t rfork __P((int));
180 pid_t rfork_thread __P((int, void *, int (*) __P((void *)), void *));
181 int rresvport __P((int *));
182 int rresvport_af __P((int *, int));
183 int ruserok __P((const char *, int, const char *, const char *));
184 char *sbrk __P((int));
185 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
186 int setdomainname __P((const char *, int));
187 int setegid __P((gid_t));
188 int seteuid __P((uid_t));
189 int setgroups __P((int, const gid_t *));
190 void sethostid __P((long));
191 int sethostname __P((const char *, int));
192 int setkey __P((const char *));
193 int setlogin __P((const char *));
194 void *setmode __P((const char *));
195 int setpgrp __P((pid_t _pid, pid_t _pgrp)); /* obsoleted by setpgid() */
196 int setregid __P((gid_t, gid_t));
197 int setresgid __P((gid_t, gid_t, gid_t));
198 int setresuid __P((uid_t, uid_t, uid_t));
199 int setreuid __P((uid_t, uid_t));
200 int setrgid __P((gid_t));
201 int setruid __P((uid_t));
202 void setusershell __P((void));
203 int strtofflags __P((char **, u_long *, u_long *));
204 int swapon __P((const char *));
205 int symlink __P((const char *, const char *));
206 void sync __P((void));
207 int syscall __P((int, ...));
208 off_t __syscall __P((quad_t, ...));
209 #ifndef _TRUNCATE_DECLARED
210 #define _TRUNCATE_DECLARED
211 int truncate __P((const char *, off_t));
213 int ttyslot __P((void));
214 unsigned int ualarm __P((unsigned int, unsigned int));
215 int undelete __P((const char *));
216 int unwhiteout __P((const char *));
217 int usleep __P((unsigned int));
218 void *valloc __P((size_t)); /* obsoleted by malloc() */
219 pid_t vfork __P((void));
221 extern char *suboptarg; /* getsubopt(3) external variable */
222 int getsubopt __P((char **, char * const *, char **));
223 #endif /* !_POSIX_SOURCE */
224 extern int optreset; /* getopt(3) external variable */
227 #endif /* !_UNISTD_H_ */