unistd.h revision 1.84 1 /* $NetBSD: unistd.h,v 1.84 2000/04/21 16:24:22 minoura 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
84 /*
85 * IEEE Std 1003.1-90
86 */
87 #define STDIN_FILENO 0 /* standard input file descriptor */
88 #define STDOUT_FILENO 1 /* standard output file descriptor */
89 #define STDERR_FILENO 2 /* standard error file descriptor */
90
91 #include <sys/null.h>
92
93 __BEGIN_DECLS
94 __dead void _exit __P((int)) __attribute__((__noreturn__));
95 int access __P((const char *, int));
96 unsigned int alarm __P((unsigned int));
97 int chdir __P((const char *));
98 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
99 int chown __P((const char *, uid_t, gid_t)) __RENAME(__posix_chown);
100 #else
101 int chown __P((const char *, uid_t, gid_t));
102 #endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */
103 int close __P((int));
104 size_t confstr __P((int, char *, size_t));
105 char *cuserid __P((char *)); /* obsolete */
106 int dup __P((int));
107 int dup2 __P((int, int));
108 int execl __P((const char *, const char *, ...));
109 int execle __P((const char *, const char *, ...));
110 int execlp __P((const char *, const char *, ...));
111 int execv __P((const char *, char * const *));
112 int execve __P((const char *, char * const *, char * const *));
113 int execvp __P((const char *, char * const *));
114 pid_t fork __P((void));
115 long fpathconf __P((int, int));
116 char *getcwd __P((char *, size_t));
117 gid_t getegid __P((void));
118 uid_t geteuid __P((void));
119 gid_t getgid __P((void));
120 int getgroups __P((int, gid_t []));
121 __aconst char *getlogin __P((void));
122 pid_t getpgrp __P((void));
123 pid_t getpid __P((void));
124 pid_t getppid __P((void));
125 uid_t getuid __P((void));
126 int isatty __P((int));
127 int link __P((const char *, const char *));
128 off_t lseek __P((int, off_t, int));
129 long pathconf __P((const char *, int));
130 int pause __P((void));
131 int pipe __P((int *));
132 ssize_t read __P((int, void *, size_t));
133 int rmdir __P((const char *));
134 int setgid __P((gid_t));
135 int setpgid __P((pid_t, pid_t));
136 pid_t setsid __P((void));
137 int setuid __P((uid_t));
138 unsigned int sleep __P((unsigned int));
139 long sysconf __P((int));
140 pid_t tcgetpgrp __P((int));
141 int tcsetpgrp __P((int, pid_t));
142 __aconst char *ttyname __P((int));
143 int unlink __P((const char *));
144 ssize_t write __P((int, const void *, size_t));
145
146
147 /*
148 * IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later
149 */
150 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
151 (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 4
152 int getopt __P((int, char * const [], const char *));
153
154 extern char *optarg; /* getopt(3) external variables */
155 extern int opterr;
156 extern int optind;
157 extern int optopt;
158 #endif
159
160
161 /*
162 * IEEE Std 1003.1b-93,
163 * also found in X/Open Portability Guide >= Issue 4 Verion 2
164 */
165 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
166 (_POSIX_C_SOURCE - 0) >= 199309L || \
167 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
168 (_XOPEN_SOURCE - 0) >= 500
169 int ftruncate __P((int, off_t));
170 #endif
171
172
173 /*
174 * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2
175 */
176 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
177 (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500
178 int fdatasync __P((int));
179 int fsync __P((int));
180 #endif
181
182
183 /*
184 * X/Open Portability Guide, all issues
185 */
186 #if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
187 int chroot __P((const char *));
188 int nice __P((int));
189 #endif
190
191
192 /*
193 * X/Open Portability Guide <= Issue 3
194 */
195 #if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0) <= 3
196 int rename __P((const char *, const char *)) __RENAME(__posix_rename);
197 #endif
198
199
200 /*
201 * X/Open Portability Guide >= Issue 4
202 */
203 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
204 (_XOPEN_SOURCE - 0) >= 4
205 __aconst char *crypt __P((const char *, const char *));
206 int encrypt __P((char *, int));
207 char *getpass __P((const char *));
208 pid_t getsid __P((pid_t));
209 #endif
210
211
212 /*
213 * X/Open Portability Guide >= Issue 4 Version 2
214 */
215 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
216 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
217 (_XOPEN_SOURCE - 0) >= 500
218 #ifdef _BSD_INTPTR_T_
219 typedef _BSD_INTPTR_T_ intptr_t;
220 #undef _BSD_INTPTR_T_
221 #endif
222
223 #define F_ULOCK 0
224 #define F_LOCK 1
225 #define F_TLOCK 2
226 #define F_TEST 3
227
228 int brk __P((void *));
229 int fchdir __P((int));
230 #if defined(_XOPEN_SOURCE)
231 int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown);
232 #else
233 int fchown __P((int, uid_t, gid_t));
234 #endif
235 int getdtablesize __P((void));
236 long gethostid __P((void));
237 int gethostname __P((char *, size_t));
238 __pure int
239 getpagesize __P((void)); /* legacy */
240 pid_t getpgid __P((pid_t));
241 #if defined(_XOPEN_SOURCE)
242 int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown);
243 #else
244 int lchown __P((const char *, uid_t, gid_t));
245 #endif
246 int lockf __P((int, int, off_t));
247 int readlink __P((const char *, char *, size_t));
248 void *sbrk __P((intptr_t));
249 /* XXX prototype wrong! */
250 int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */
251 int setregid __P((gid_t, gid_t));
252 int setreuid __P((uid_t, uid_t));
253 void swab __P((const void *, void *, size_t));
254 int symlink __P((const char *, const char *));
255 void sync __P((void));
256 int truncate __P((const char *, off_t));
257 useconds_t ualarm __P((useconds_t, useconds_t));
258 int usleep __P((useconds_t));
259 #ifdef __LIBC12_SOURCE__
260 pid_t vfork __P((void));
261 pid_t __vfork14 __P((void));
262 #else
263 pid_t vfork __P((void)) __RENAME(__vfork14);
264 #endif
265
266 #ifndef __AUDIT__
267 char *getwd __P((char *)); /* obsoleted by getcwd() */
268 #endif
269
270 /* FIXME: this should go to <sys/time.h>! */
271 #if __STDC__
272 struct timeval; /* select(2) XXX */
273 #endif
274 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
275 #endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */
276
277
278 /*
279 * X/Open CAE Specification Issue 5 Version 2
280 */
281 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
282 (_XOPEN_SOURCE - 0) >= 500
283 ssize_t pread __P((int, void *, size_t, off_t));
284 ssize_t pwrite __P((int, const void *, size_t, off_t));
285 #endif
286
287
288 /*
289 * Implementation-defined extensions
290 */
291 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
292 int acct __P((const char *));
293 int des_cipher __P((const char *, char *, long, int));
294 int des_setkey __P((const char *key));
295 void endusershell __P((void));
296 int exect __P((const char *, char * const *, char * const *));
297 int fchroot __P((int));
298 int getdomainname __P((char *, size_t));
299 int getgrouplist __P((const char *, gid_t, gid_t *, int *));
300 mode_t getmode __P((const void *, mode_t));
301 int getsubopt __P((char **, char * const *, char **));
302 __aconst char *getusershell __P((void));
303 int initgroups __P((const char *, gid_t));
304 int iruserok __P((u_int32_t, int, const char *, const char *));
305 int issetugid __P((void));
306 int nfssvc __P((int, void *));
307 int profil __P((char *, size_t, u_long, u_int));
308 void psignal __P((unsigned int, const char *));
309 int rcmd __P((char **, int, const char *,
310 const char *, const char *, int *));
311 int reboot __P((int, char *));
312 int revoke __P((const char *));
313 int rresvport __P((int *));
314 int ruserok __P((const char *, int, const char *, const char *));
315 int setdomainname __P((const char *, size_t));
316 int setegid __P((gid_t));
317 int seteuid __P((uid_t));
318 int setgroups __P((int, const gid_t *));
319 int sethostid __P((long));
320 int sethostname __P((const char *, size_t));
321 int setlogin __P((const char *));
322 void *setmode __P((const char *));
323 int setrgid __P((gid_t));
324 int setruid __P((uid_t));
325 void setusershell __P((void));
326 void strmode __P((mode_t, char *));
327 __aconst char *strsignal __P((int));
328 int swapctl __P((int, const void *, int));
329 int swapon __P((const char *)); /* obsoleted by swapctl() */
330 int syscall __P((int, ...));
331 quad_t __syscall __P((quad_t, ...));
332 int undelete __P((const char *));
333
334 #if 1 /*INET6*/
335 int rcmd_af __P((char **, int, const char *,
336 const char *, const char *, int *, int));
337 int rresvport_af __P((int *, int));
338 int iruserok_sa __P((const void *, int, int, const char *, const char *));
339 #endif
340
341 extern __const char *__const *sys_siglist __RENAME(__sys_siglist14);
342 extern int optreset; /* getopt(3) external variable */
343 extern char *suboptarg; /* getsubopt(3) external variable */
344 #endif
345
346 __END_DECLS
347
348 #endif /* !_UNISTD_H_ */
349