unistd.h revision 1.85 1 /* $NetBSD: unistd.h,v 1.85 2000/06/27 05:51:54 kleink 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 <machine/int_types.h>
79 #include <sys/cdefs.h>
80 #include <sys/featuretest.h>
81 #include <sys/types.h>
82 #include <sys/unistd.h>
83
84
85 /*
86 * IEEE Std 1003.1-90
87 */
88 #define STDIN_FILENO 0 /* standard input file descriptor */
89 #define STDOUT_FILENO 1 /* standard output file descriptor */
90 #define STDERR_FILENO 2 /* standard error file descriptor */
91
92 #include <sys/null.h>
93
94 __BEGIN_DECLS
95 __dead void _exit __P((int)) __attribute__((__noreturn__));
96 int access __P((const char *, int));
97 unsigned int alarm __P((unsigned int));
98 int chdir __P((const char *));
99 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
100 int chown __P((const char *, uid_t, gid_t)) __RENAME(__posix_chown);
101 #else
102 int chown __P((const char *, uid_t, gid_t));
103 #endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */
104 int close __P((int));
105 size_t confstr __P((int, char *, size_t));
106 char *cuserid __P((char *)); /* obsolete */
107 int dup __P((int));
108 int dup2 __P((int, int));
109 int execl __P((const char *, const char *, ...));
110 int execle __P((const char *, const char *, ...));
111 int execlp __P((const char *, const char *, ...));
112 int execv __P((const char *, char * const *));
113 int execve __P((const char *, char * const *, char * const *));
114 int execvp __P((const char *, char * const *));
115 pid_t fork __P((void));
116 long fpathconf __P((int, int));
117 char *getcwd __P((char *, size_t));
118 gid_t getegid __P((void));
119 uid_t geteuid __P((void));
120 gid_t getgid __P((void));
121 int getgroups __P((int, gid_t []));
122 __aconst char *getlogin __P((void));
123 pid_t getpgrp __P((void));
124 pid_t getpid __P((void));
125 pid_t getppid __P((void));
126 uid_t getuid __P((void));
127 int isatty __P((int));
128 int link __P((const char *, const char *));
129 off_t lseek __P((int, off_t, int));
130 long pathconf __P((const char *, int));
131 int pause __P((void));
132 int pipe __P((int *));
133 ssize_t read __P((int, void *, size_t));
134 int rmdir __P((const char *));
135 int setgid __P((gid_t));
136 int setpgid __P((pid_t, pid_t));
137 pid_t setsid __P((void));
138 int setuid __P((uid_t));
139 unsigned int sleep __P((unsigned int));
140 long sysconf __P((int));
141 pid_t tcgetpgrp __P((int));
142 int tcsetpgrp __P((int, pid_t));
143 __aconst char *ttyname __P((int));
144 int unlink __P((const char *));
145 ssize_t write __P((int, const void *, size_t));
146
147
148 /*
149 * IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later
150 */
151 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
152 (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 4
153 int getopt __P((int, char * const [], const char *));
154
155 extern char *optarg; /* getopt(3) external variables */
156 extern int opterr;
157 extern int optind;
158 extern int optopt;
159 #endif
160
161
162 /*
163 * IEEE Std 1003.1b-93,
164 * also found in X/Open Portability Guide >= Issue 4 Verion 2
165 */
166 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
167 (_POSIX_C_SOURCE - 0) >= 199309L || \
168 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
169 (_XOPEN_SOURCE - 0) >= 500
170 int ftruncate __P((int, off_t));
171 #endif
172
173
174 /*
175 * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2
176 */
177 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
178 (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500
179 int fdatasync __P((int));
180 int fsync __P((int));
181 #endif
182
183
184 /*
185 * X/Open Portability Guide, all issues
186 */
187 #if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
188 int chroot __P((const char *));
189 int nice __P((int));
190 #endif
191
192
193 /*
194 * X/Open Portability Guide <= Issue 3
195 */
196 #if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0) <= 3
197 int rename __P((const char *, const char *)) __RENAME(__posix_rename);
198 #endif
199
200
201 /*
202 * X/Open Portability Guide >= Issue 4
203 */
204 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
205 (_XOPEN_SOURCE - 0) >= 4
206 __aconst char *crypt __P((const char *, const char *));
207 int encrypt __P((char *, int));
208 char *getpass __P((const char *));
209 pid_t getsid __P((pid_t));
210 #endif
211
212
213 /*
214 * X/Open Portability Guide >= Issue 4 Version 2
215 */
216 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
217 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
218 (_XOPEN_SOURCE - 0) >= 500
219 #ifndef intptr_t
220 typedef __intptr_t intptr_t;
221 #define intptr_t intptr_t
222 #endif
223
224 #define F_ULOCK 0
225 #define F_LOCK 1
226 #define F_TLOCK 2
227 #define F_TEST 3
228
229 int brk __P((void *));
230 int fchdir __P((int));
231 #if defined(_XOPEN_SOURCE)
232 int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown);
233 #else
234 int fchown __P((int, uid_t, gid_t));
235 #endif
236 int getdtablesize __P((void));
237 long gethostid __P((void));
238 int gethostname __P((char *, size_t));
239 __pure int
240 getpagesize __P((void)); /* legacy */
241 pid_t getpgid __P((pid_t));
242 #if defined(_XOPEN_SOURCE)
243 int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown);
244 #else
245 int lchown __P((const char *, uid_t, gid_t));
246 #endif
247 int lockf __P((int, int, off_t));
248 int readlink __P((const char *, char *, size_t));
249 void *sbrk __P((intptr_t));
250 /* XXX prototype wrong! */
251 int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */
252 int setregid __P((gid_t, gid_t));
253 int setreuid __P((uid_t, uid_t));
254 void swab __P((const void *, void *, size_t));
255 int symlink __P((const char *, const char *));
256 void sync __P((void));
257 int truncate __P((const char *, off_t));
258 useconds_t ualarm __P((useconds_t, useconds_t));
259 int usleep __P((useconds_t));
260 #ifdef __LIBC12_SOURCE__
261 pid_t vfork __P((void));
262 pid_t __vfork14 __P((void));
263 #else
264 pid_t vfork __P((void)) __RENAME(__vfork14);
265 #endif
266
267 #ifndef __AUDIT__
268 char *getwd __P((char *)); /* obsoleted by getcwd() */
269 #endif
270
271 /* FIXME: this should go to <sys/time.h>! */
272 #if __STDC__
273 struct timeval; /* select(2) XXX */
274 #endif
275 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
276 #endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */
277
278
279 /*
280 * X/Open CAE Specification Issue 5 Version 2
281 */
282 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
283 (_XOPEN_SOURCE - 0) >= 500
284 ssize_t pread __P((int, void *, size_t, off_t));
285 ssize_t pwrite __P((int, const void *, size_t, off_t));
286 #endif
287
288
289 /*
290 * Implementation-defined extensions
291 */
292 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
293 int acct __P((const char *));
294 int des_cipher __P((const char *, char *, long, int));
295 int des_setkey __P((const char *key));
296 void endusershell __P((void));
297 int exect __P((const char *, char * const *, char * const *));
298 int fchroot __P((int));
299 int getdomainname __P((char *, size_t));
300 int getgrouplist __P((const char *, gid_t, gid_t *, int *));
301 mode_t getmode __P((const void *, mode_t));
302 int getsubopt __P((char **, char * const *, char **));
303 __aconst char *getusershell __P((void));
304 int initgroups __P((const char *, gid_t));
305 int iruserok __P((u_int32_t, int, const char *, const char *));
306 int issetugid __P((void));
307 int nfssvc __P((int, void *));
308 int profil __P((char *, size_t, u_long, u_int));
309 void psignal __P((unsigned int, const char *));
310 int rcmd __P((char **, int, const char *,
311 const char *, const char *, int *));
312 int reboot __P((int, char *));
313 int revoke __P((const char *));
314 int rresvport __P((int *));
315 int ruserok __P((const char *, int, const char *, const char *));
316 int setdomainname __P((const char *, size_t));
317 int setegid __P((gid_t));
318 int seteuid __P((uid_t));
319 int setgroups __P((int, const gid_t *));
320 int sethostid __P((long));
321 int sethostname __P((const char *, size_t));
322 int setlogin __P((const char *));
323 void *setmode __P((const char *));
324 int setrgid __P((gid_t));
325 int setruid __P((uid_t));
326 void setusershell __P((void));
327 void strmode __P((mode_t, char *));
328 __aconst char *strsignal __P((int));
329 int swapctl __P((int, const void *, int));
330 int swapon __P((const char *)); /* obsoleted by swapctl() */
331 int syscall __P((int, ...));
332 quad_t __syscall __P((quad_t, ...));
333 int undelete __P((const char *));
334
335 #if 1 /*INET6*/
336 int rcmd_af __P((char **, int, const char *,
337 const char *, const char *, int *, int));
338 int rresvport_af __P((int *, int));
339 int iruserok_sa __P((const void *, int, int, const char *, const char *));
340 #endif
341
342 extern __const char *__const *sys_siglist __RENAME(__sys_siglist14);
343 extern int optreset; /* getopt(3) external variable */
344 extern char *suboptarg; /* getsubopt(3) external variable */
345 #endif
346
347 __END_DECLS
348
349 #endif /* !_UNISTD_H_ */
350