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> /* XXX adds too much pollution. */
42 #include <sys/unistd.h>
43 #include <sys/_types.h>
46 typedef _BSD_GID_T_ gid_t;
51 typedef _BSD_SIZE_T_ size_t;
56 typedef _BSD_SSIZE_T_ ssize_t;
61 typedef _BSD_UID_T_ uid_t;
66 * XXX missing type definitions for off_t, pid_t and useconds_t.
69 #define STDIN_FILENO 0 /* standard input file descriptor */
70 #define STDOUT_FILENO 1 /* standard output file descriptor */
71 #define STDERR_FILENO 2 /* standard error file descriptor */
74 #define NULL 0 /* null pointer constant */
77 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
78 #define F_ULOCK 0 /* unlock locked section */
79 #define F_LOCK 1 /* lock a section for exclusive use */
80 #define F_TLOCK 2 /* test and lock a section for exclusive use */
81 #define F_TEST 3 /* test a section for locks by other procs */
86 void _exit(int) __dead2;
87 int access(const char *, int);
88 unsigned int alarm(unsigned int);
89 int chdir(const char *);
90 int chown(const char *, uid_t, gid_t);
94 int eaccess(const char *, int);
95 int execl(const char *, const char *, ...);
96 int execle(const char *, const char *, ...);
97 int execlp(const char *, const char *, ...);
98 int execv(const char *, char * const *);
99 int execve(const char *, char * const *, char * const *);
100 int execvp(const char *, char * const *);
102 long fpathconf(int, int);
103 char *getcwd(char *, size_t);
107 int getgroups(int, gid_t []);
108 char *getlogin(void);
114 int link(const char *, const char *);
115 #ifndef _LSEEK_DECLARED
116 #define _LSEEK_DECLARED
117 off_t lseek(int, off_t, int);
119 long pathconf(const char *, int);
122 ssize_t read(int, void *, size_t);
123 int rmdir(const char *);
125 int setpgid(pid_t, pid_t);
126 void setproctitle(const char *_fmt, ...) __printf0like(1, 2);
129 unsigned int sleep(unsigned int);
131 pid_t tcgetpgrp(int);
132 int tcsetpgrp(int, pid_t);
134 int unlink(const char *);
135 ssize_t write(int, const void *, size_t);
137 extern char *optarg; /* getopt(3) external variables */
138 extern int optind, opterr, optopt;
139 int getopt(int, char * const [], const char *);
142 #if __POSIX_VISIBLE >= 199309
144 * Need to check old copies of POSIX to determine when each of these
145 * interfaces was added.
147 size_t confstr(int, char *, size_t);
148 int fchown(int, uid_t, gid_t);
151 /* symlink is from .1a and XPG4.2 -- need to check version for the former */
152 int symlink(const char *, const char *);
155 /* ISO/IEC 9945-1: 1996 */
156 #if __POSIX_VISIBLE >= 199506
158 * ftruncate() was in the POSIX Realtime Extension (it's used for shared
159 * memory), but truncate() was not.
161 #ifndef _FTRUNCATE_DECLARED
162 #define _FTRUNCATE_DECLARED
163 int ftruncate(int, off_t);
166 int getlogin_r(char *, int);
170 #if __POSIX_VISIBLE >= 200112
171 int gethostname(char *, int /* socklen_t */);
176 /* X/Open System Interfaces */
178 char *crypt(const char *, const char *);
179 /* char *ctermid(char *); */ /* XXX ??? */
180 int encrypt(char *, int);
182 int getpgid(pid_t _pid);
183 int getsid(pid_t _pid);
184 char *getwd(char *); /* LEGACY: obsoleted by getcwd() */
185 int lchown(const char *, uid_t, gid_t);
186 int lockf(int, int, off_t);
188 ssize_t pread(int, void *, size_t, off_t);
189 ssize_t pwrite(int, const void *, size_t, off_t);
190 int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
191 int setregid(gid_t, gid_t);
192 int setreuid(uid_t, uid_t);
193 /* void swab(const void *__restrict, void *__restrict, ssize_t); */
195 unsigned int ualarm(unsigned int, unsigned int);
196 int usleep(unsigned int);
199 /* See comment at ftruncate() above. */
200 #ifndef _TRUNCATE_DECLARED
201 #define _TRUNCATE_DECLARED
202 int truncate(const char *, off_t);
204 #endif /* __XSI_VISIBLE */
207 struct timeval; /* select(2) */
208 int acct(const char *);
209 int async_daemon(void);
210 int brk(const void *);
211 int chroot(const char *);
213 crypt_get_format(void);
214 int crypt_set_format(const char *);
215 int des_cipher(const char *, char *, long, int);
216 int des_setkey(const char *key);
217 void endusershell(void);
218 int exect(const char *, char * const *, char * const *);
219 char *fflagstostr(u_long);
220 int getdomainname(char *, int);
221 int getdtablesize(void);
222 int getgrouplist(const char *, gid_t, gid_t *, int *);
223 long gethostid(void);
224 mode_t getmode(const void *, mode_t);
225 int getpagesize(void) __pure2;
226 char *getpass(const char *);
227 int getpeereid(int, uid_t *, gid_t *);
228 int getresgid(gid_t *, gid_t *, gid_t *);
229 int getresuid(uid_t *, uid_t *, uid_t *);
230 char *getusershell(void);
231 int initgroups(const char *, gid_t);
232 int iruserok(unsigned long, int, const char *, const char *);
233 int iruserok_sa(const void *, int, int, const char *, const char *);
235 char *mkdtemp(char *);
236 int mknod(const char *, mode_t, dev_t);
238 int mkstemps(char *, int);
239 char *mktemp(char *);
240 int nfsclnt(int, void *);
241 int nfssvc(int, void *);
242 int profil(char *, size_t, vm_offset_t, int);
243 int rcmd(char **, int, const char *, const char *, const char *, int *);
244 int rcmd_af(char **, int, const char *,
245 const char *, const char *, int *, int);
246 int rcmdsh(char **, int, const char *,
247 const char *, const char *, const char *);
248 char *re_comp(const char *);
249 int re_exec(const char *);
250 int readlink(const char *, char *, int);
252 int revoke(const char *);
254 pid_t rfork_thread(int, void *, int (*)(void *), void *);
255 int rresvport(int *);
256 int rresvport_af(int *, int);
257 int ruserok(const char *, int, const char *, const char *);
258 void *sbrk(intptr_t);
259 int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
260 int setdomainname(const char *, int);
261 int setgroups(int, const gid_t *);
262 void sethostid(long);
263 int sethostname(const char *, int);
264 int setkey(const char *);
265 int setlogin(const char *);
266 void *setmode(const char *);
267 int setresgid(gid_t, gid_t, gid_t);
268 int setresuid(uid_t, uid_t, uid_t);
271 void setusershell(void);
272 int strtofflags(char **, u_long *, u_long *);
273 int swapon(const char *);
274 int syscall(int, ...);
275 off_t __syscall(quad_t, ...);
277 int undelete(const char *);
278 int unwhiteout(const char *);
279 void *valloc(size_t); /* obsoleted by malloc() */
281 extern char *suboptarg; /* getsubopt(3) external variable */
282 int getsubopt(char **, char * const *, char **);
283 extern int optreset; /* getopt(3) external variable */
284 #endif /* __BSD_VISIBLE */
287 #endif /* !_UNISTD_H_ */