unistd.h revision 1.53 1 /* $NetBSD: unistd.h,v 1.53 1998/05/06 19:59:35 kleink Exp $ */
2
3 /*-
4 * Copyright (c) 1991, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * @(#)unistd.h 8.12 (Berkeley) 4/27/95
36 */
37
38 #ifndef _UNISTD_H_
39 #define _UNISTD_H_
40
41 #include <sys/cdefs.h>
42 #include <sys/types.h>
43 #include <sys/unistd.h>
44
45 #include <sys/featuretest.h>
46
47 #define STDIN_FILENO 0 /* standard input file descriptor */
48 #define STDOUT_FILENO 1 /* standard output file descriptor */
49 #define STDERR_FILENO 2 /* standard error file descriptor */
50
51 #ifndef NULL
52 #define NULL 0 /* null pointer constant */
53 #endif
54
55 __BEGIN_DECLS
56 __dead void _exit __P((int)) __attribute__((noreturn));
57 int access __P((const char *, int));
58 unsigned int alarm __P((unsigned int));
59 int chdir __P((const char *));
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 getgrouplist __P((const char *, gid_t, gid_t *, int *));
78 int getgroups __P((int, gid_t []));
79 char *getlogin __P((void));
80 pid_t getpgrp __P((void));
81 pid_t getpid __P((void));
82 pid_t getppid __P((void));
83 uid_t getuid __P((void));
84 int isatty __P((int));
85 int link __P((const char *, const char *));
86 off_t lseek __P((int, off_t, int));
87 long pathconf __P((const char *, int));
88 int pause __P((void));
89 int pipe __P((int *));
90 ssize_t read __P((int, void *, size_t));
91 int rmdir __P((const char *));
92 int setgid __P((gid_t));
93 int setpgid __P((pid_t, pid_t));
94 pid_t setsid __P((void));
95 int setuid __P((uid_t));
96 unsigned int sleep __P((unsigned int));
97 long sysconf __P((int));
98 pid_t tcgetpgrp __P((int));
99 int tcsetpgrp __P((int, pid_t));
100 char *ttyname __P((int));
101 int unlink __P((const char *));
102 ssize_t write __P((int, const void *, size_t));
103
104 #ifndef _POSIX_SOURCE
105 #ifdef __STDC__
106 struct timeval; /* select(2) */
107 #endif
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 fsync __P((int));
119 int ftruncate __P((int, off_t));
120 int getdomainname __P((char *, size_t));
121 int getdtablesize __P((void));
122 long gethostid __P((void));
123 int gethostname __P((char *, size_t));
124 mode_t getmode __P((const void *, mode_t));
125 __pure int
126 getpagesize __P((void));
127 char *getpass __P((const char *));
128 pid_t getsid __P((pid_t));
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 char *re_comp __P((const char *));
144 int re_exec __P((const char *));
145 int readlink __P((const char *, char *, size_t));
146 int reboot __P((int, char *));
147 int revoke __P((const char *));
148 int rresvport __P((int *));
149 int ruserok __P((const char *, int, const char *, const char *));
150 char *sbrk __P((int));
151 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
152 int setdomainname __P((const char *, size_t));
153 int setegid __P((gid_t));
154 int seteuid __P((uid_t));
155 int setgroups __P((int, const gid_t *));
156 int sethostid __P((long));
157 int sethostname __P((const char *, size_t));
158 int setkey __P((const char *));
159 int setlogin __P((const char *));
160 void *setmode __P((const char *));
161 int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */
162 int setregid __P((gid_t, gid_t));
163 int setreuid __P((uid_t, uid_t));
164 int setrgid __P((gid_t));
165 int setruid __P((uid_t));
166 void setusershell __P((void));
167 void strmode __P((mode_t, char *));
168 char *strsignal __P((int));
169 void swab __P((const void *, void *, size_t));
170 int swapctl __P((int, const void *, int));
171 int swapon __P((const char *)); /* obsoleted by swapctl() */
172 int symlink __P((const char *, const char *));
173 void sync __P((void));
174 int syscall __P((int, ...));
175 quad_t __syscall __P((quad_t, ...));
176 int truncate __P((const char *, off_t));
177 int ttyslot __P((void));
178 useconds_t ualarm __P((useconds_t, useconds_t));
179 int undelete __P((const char *));
180 int usleep __P((useconds_t));
181 int unwhiteout __P((const char *));
182 void *valloc __P((size_t)); /* obsoleted by malloc() */
183 #ifdef __LIBC12_SOURCE__
184 pid_t vfork __P((void));
185 pid_t __vfork14 __P((void));
186 #else
187 pid_t vfork __P((void)) __RENAME(__vfork14);
188 #endif
189
190 int getopt __P((int, char * const *, const char *));
191 extern char *optarg; /* getopt(3) external variables */
192 extern int opterr;
193 extern int optind;
194 extern int optopt;
195 extern int optreset;
196 int getsubopt __P((char **, char * const *, char **));
197 extern char *suboptarg; /* getsubopt(3) external variable */
198 #endif /* !_POSIX_SOURCE */
199
200 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
201 int chown __P((const char *, uid_t, gid_t)) __RENAME(__posix_chown);
202 int rename __P((const char *, const char *)) __RENAME(__posix_rename);
203 #else
204 int chown __P((const char *, uid_t, gid_t));
205 int rename __P((const char *, const char *));
206 #endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */
207
208 #if defined(_XOPEN_SOURCE)
209 int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown);
210 int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown);
211 #else
212 #if !defined(_POSIX_C_SOURCE)
213 int fchown __P((int, uid_t, gid_t));
214 int lchown __P((const char *, uid_t, gid_t));
215 #endif /* !defined(_POSIX_C_SOURCE) */
216 #endif /* defined(_XOPEN_SOURCE) */
217
218 #if (!defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \
219 !defined(_XOPEN_SOURCE)) || \
220 (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE_EXTENDED - 0 == 1)
221 #define F_ULOCK 0
222 #define F_LOCK 1
223 #define F_TLOCK 2
224 #define F_TEST 3
225 int lockf __P((int, int, off_t));
226 #endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */
227 __END_DECLS
228
229 #endif /* !_UNISTD_H_ */
230