unistd.h revision 1.82 1 /* $NetBSD: unistd.h,v 1.82 2000/04/01 22:37:15 christos Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Klaus Klein.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Copyright (c) 1991, 1993, 1994
41 * The Regents of the University of California. All rights reserved.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. All advertising materials mentioning features or use of this software
52 * must display the following acknowledgement:
53 * This product includes software developed by the University of
54 * California, Berkeley and its contributors.
55 * 4. Neither the name of the University nor the names of its contributors
56 * may be used to endorse or promote products derived from this software
57 * without specific prior written permission.
58 *
59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69 * SUCH DAMAGE.
70 *
71 * @(#)unistd.h 8.12 (Berkeley) 4/27/95
72 */
73
74 #ifndef _UNISTD_H_
75 #define _UNISTD_H_
76
77 #include <machine/ansi.h>
78 #include <sys/cdefs.h>
79 #include <sys/featuretest.h>
80 #include <sys/types.h>
81 #include <sys/unistd.h>
82
83 #include <getopt.h>
84
85
86 /*
87 * IEEE Std 1003.1-90
88 */
89 #define STDIN_FILENO 0 /* standard input file descriptor */
90 #define STDOUT_FILENO 1 /* standard output file descriptor */
91 #define STDERR_FILENO 2 /* standard error file descriptor */
92
93 #include <sys/null.h>
94
95 __BEGIN_DECLS
96 __dead void _exit __P((int)) __attribute__((__noreturn__));
97 int access __P((const char *, int));
98 unsigned int alarm __P((unsigned int));
99 int chdir __P((const char *));
100 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
101 int chown __P((const char *, uid_t, gid_t)) __RENAME(__posix_chown);
102 #else
103 int chown __P((const char *, uid_t, gid_t));
104 #endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */
105 int close __P((int));
106 size_t confstr __P((int, char *, size_t));
107 char *cuserid __P((char *)); /* obsolete */
108 int dup __P((int));
109 int dup2 __P((int, int));
110 int execl __P((const char *, const char *, ...));
111 int execle __P((const char *, const char *, ...));
112 int execlp __P((const char *, const char *, ...));
113 int execv __P((const char *, char * const *));
114 int execve __P((const char *, char * const *, char * const *));
115 int execvp __P((const char *, char * const *));
116 pid_t fork __P((void));
117 long fpathconf __P((int, int));
118 char *getcwd __P((char *, size_t));
119 gid_t getegid __P((void));
120 uid_t geteuid __P((void));
121 gid_t getgid __P((void));
122 int getgroups __P((int, gid_t []));
123 __aconst char *getlogin __P((void));
124 pid_t getpgrp __P((void));
125 pid_t getpid __P((void));
126 pid_t getppid __P((void));
127 uid_t getuid __P((void));
128 int isatty __P((int));
129 int link __P((const char *, const char *));
130 off_t lseek __P((int, off_t, int));
131 long pathconf __P((const char *, int));
132 int pause __P((void));
133 int pipe __P((int *));
134 ssize_t read __P((int, void *, size_t));
135 int rmdir __P((const char *));
136 int setgid __P((gid_t));
137 int setpgid __P((pid_t, pid_t));
138 pid_t setsid __P((void));
139 int setuid __P((uid_t));
140 unsigned int sleep __P((unsigned int));
141 long sysconf __P((int));
142 pid_t tcgetpgrp __P((int));
143 int tcsetpgrp __P((int, pid_t));
144 __aconst char *ttyname __P((int));
145 int unlink __P((const char *));
146 ssize_t write __P((int, const void *, size_t));
147
148
149 /*
150 * IEEE Std 1003.1b-93,
151 * also found in X/Open Portability Guide >= Issue 4 Verion 2
152 */
153 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
154 (_POSIX_C_SOURCE - 0) >= 199309L || \
155 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
156 (_XOPEN_SOURCE - 0) >= 500
157 int ftruncate __P((int, off_t));
158 #endif
159
160
161 /*
162 * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2
163 */
164 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
165 (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500
166 int fdatasync __P((int));
167 int fsync __P((int));
168 #endif
169
170
171 /*
172 * X/Open Portability Guide, all issues
173 */
174 #if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
175 int chroot __P((const char *));
176 int nice __P((int));
177 #endif
178
179
180 /*
181 * X/Open Portability Guide <= Issue 3
182 */
183 #if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0) <= 3
184 int rename __P((const char *, const char *)) __RENAME(__posix_rename);
185 #endif
186
187
188 /*
189 * X/Open Portability Guide >= Issue 4
190 */
191 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
192 (_XOPEN_SOURCE - 0) >= 4
193 __aconst char *crypt __P((const char *, const char *));
194 int encrypt __P((char *, int));
195 char *getpass __P((const char *));
196 pid_t getsid __P((pid_t));
197 #endif
198
199
200 /*
201 * X/Open Portability Guide >= Issue 4 Version 2
202 */
203 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
204 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
205 (_XOPEN_SOURCE - 0) >= 500
206 #ifdef _BSD_INTPTR_T_
207 typedef _BSD_INTPTR_T_ intptr_t;
208 #undef _BSD_INTPTR_T_
209 #endif
210
211 #define F_ULOCK 0
212 #define F_LOCK 1
213 #define F_TLOCK 2
214 #define F_TEST 3
215
216 int brk __P((void *));
217 int fchdir __P((int));
218 #if defined(_XOPEN_SOURCE)
219 int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown);
220 #else
221 int fchown __P((int, uid_t, gid_t));
222 #endif
223 int getdtablesize __P((void));
224 long gethostid __P((void));
225 int gethostname __P((char *, size_t));
226 __pure int
227 getpagesize __P((void)); /* legacy */
228 pid_t getpgid __P((pid_t));
229 #if defined(_XOPEN_SOURCE)
230 int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown);
231 #else
232 int lchown __P((const char *, uid_t, gid_t));
233 #endif
234 int lockf __P((int, int, off_t));
235 int readlink __P((const char *, char *, size_t));
236 void *sbrk __P((intptr_t));
237 /* XXX prototype wrong! */
238 int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */
239 int setregid __P((gid_t, gid_t));
240 int setreuid __P((uid_t, uid_t));
241 void swab __P((const void *, void *, size_t));
242 int symlink __P((const char *, const char *));
243 void sync __P((void));
244 int truncate __P((const char *, off_t));
245 useconds_t ualarm __P((useconds_t, useconds_t));
246 int usleep __P((useconds_t));
247 #ifdef __LIBC12_SOURCE__
248 pid_t vfork __P((void));
249 pid_t __vfork14 __P((void));
250 #else
251 pid_t vfork __P((void)) __RENAME(__vfork14);
252 #endif
253
254 #ifndef __AUDIT__
255 char *getwd __P((char *)); /* obsoleted by getcwd() */
256 #endif
257
258 /* FIXME: this should go to <sys/time.h>! */
259 #if __STDC__
260 struct timeval; /* select(2) XXX */
261 #endif
262 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
263 #endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */
264
265
266 /*
267 * X/Open CAE Specification Issue 5 Version 2
268 */
269 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
270 (_XOPEN_SOURCE - 0) >= 500
271 ssize_t pread __P((int, void *, size_t, off_t));
272 ssize_t pwrite __P((int, const void *, size_t, off_t));
273 #endif
274
275
276 /*
277 * Implementation-defined extensions
278 */
279 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
280 int acct __P((const char *));
281 int des_cipher __P((const char *, char *, long, int));
282 int des_setkey __P((const char *key));
283 void endusershell __P((void));
284 int exect __P((const char *, char * const *, char * const *));
285 int fchroot __P((int));
286 int getdomainname __P((char *, size_t));
287 int getgrouplist __P((const char *, gid_t, gid_t *, int *));
288 mode_t getmode __P((const void *, mode_t));
289 __aconst char *getusershell __P((void));
290 int initgroups __P((const char *, gid_t));
291 int iruserok __P((u_int32_t, int, const char *, const char *));
292 int nfssvc __P((int, void *));
293 int profil __P((char *, size_t, u_long, u_int));
294 void psignal __P((unsigned int, const char *));
295 int rcmd __P((char **, int, const char *,
296 const char *, const char *, int *));
297 int reboot __P((int, char *));
298 int revoke __P((const char *));
299 int rresvport __P((int *));
300 int ruserok __P((const char *, int, const char *, const char *));
301 int setdomainname __P((const char *, size_t));
302 int setegid __P((gid_t));
303 int seteuid __P((uid_t));
304 int setgroups __P((int, const gid_t *));
305 int sethostid __P((long));
306 int sethostname __P((const char *, size_t));
307 int setlogin __P((const char *));
308 void *setmode __P((const char *));
309 int setrgid __P((gid_t));
310 int setruid __P((uid_t));
311 void setusershell __P((void));
312 void strmode __P((mode_t, char *));
313 __aconst char *strsignal __P((int));
314 int swapctl __P((int, const void *, int));
315 int swapon __P((const char *)); /* obsoleted by swapctl() */
316 int syscall __P((int, ...));
317 quad_t __syscall __P((quad_t, ...));
318 int undelete __P((const char *));
319
320 #if 1 /*INET6*/
321 int rcmd_af __P((char **, int, const char *,
322 const char *, const char *, int *, int));
323 int rresvport_af __P((int *, int));
324 int iruserok_sa __P((const void *, int, int, const char *, const char *));
325 #endif
326
327 extern __const char *__const *sys_siglist __RENAME(__sys_siglist14);
328 #endif
329
330 __END_DECLS
331
332 #endif /* !_UNISTD_H_ */
333