Add the 'varsym' utility which may be used to manipulate system-wide and
[dragonfly.git] / include / unistd.h
CommitLineData
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1/*-
2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
20 *
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
31 * SUCH DAMAGE.
32 *
33 * @(#)unistd.h 8.12 (Berkeley) 4/27/95
34 * $FreeBSD: src/include/unistd.h,v 1.35.2.10 2002/04/15 12:52:28 nectar Exp $
65b3153c 35 * $DragonFly: src/include/unistd.h,v 1.3 2003/11/05 23:29:35 dillon Exp $
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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#define STDIN_FILENO 0 /* standard input file descriptor */
46#define STDOUT_FILENO 1 /* standard output file descriptor */
47#define STDERR_FILENO 2 /* standard error file descriptor */
48
49#ifndef NULL
50#define NULL 0 /* null pointer constant */
51#endif
52
53#ifndef _POSIX_SOURCE
54#define F_ULOCK 0 /* unlock locked section */
55#define F_LOCK 1 /* lock a section for exclusive use */
56#define F_TLOCK 2 /* test and lock a section for exclusive use */
57#define F_TEST 3 /* test a section for locks by other procs */
58#endif
59
60__BEGIN_DECLS
61void _exit __P((int)) __dead2;
62int access __P((const char *, int));
63unsigned int alarm __P((unsigned int));
64int chdir __P((const char *));
65int chown __P((const char *, uid_t, gid_t));
66int close __P((int));
67int dup __P((int));
68int dup2 __P((int, int));
69int execl __P((const char *, const char *, ...));
70int execle __P((const char *, const char *, ...));
71int execlp __P((const char *, const char *, ...));
72int execv __P((const char *, char * const *));
73int execve __P((const char *, char * const *, char * const *));
74int execvp __P((const char *, char * const *));
75pid_t fork __P((void));
76long fpathconf __P((int, int));
77char *getcwd __P((char *, size_t));
78gid_t getegid __P((void));
79uid_t geteuid __P((void));
80gid_t getgid __P((void));
81int getgroups __P((int, gid_t []));
82char *getlogin __P((void));
83pid_t getpgrp __P((void));
84pid_t getpid __P((void));
85pid_t getppid __P((void));
86uid_t getuid __P((void));
87int isatty __P((int));
88int link __P((const char *, const char *));
89#ifndef _LSEEK_DECLARED
90#define _LSEEK_DECLARED
91off_t lseek __P((int, off_t, int));
92#endif
93long pathconf __P((const char *, int));
94int pause __P((void));
95int pipe __P((int *));
96ssize_t read __P((int, void *, size_t));
97int rmdir __P((const char *));
98int setgid __P((gid_t));
99int setpgid __P((pid_t, pid_t));
100void setproctitle __P((const char *_fmt, ...)) __printf0like(1, 2);
101pid_t setsid __P((void));
102int setuid __P((uid_t));
103unsigned int sleep __P((unsigned int));
104long sysconf __P((int));
105pid_t tcgetpgrp __P((int));
106int tcsetpgrp __P((int, pid_t));
107char *ttyname __P((int));
108int unlink __P((const char *));
109ssize_t write __P((int, const void *, size_t));
110
111extern char *optarg; /* getopt(3) external variables */
112extern int optind, opterr, optopt;
113int getopt __P((int, char * const [], const char *));
114
115#ifndef _POSIX_SOURCE
116#ifdef __STDC__
117struct timeval; /* select(2) */
118#endif
119int acct __P((const char *));
120int async_daemon __P((void));
121int brk __P((const void *));
122int chroot __P((const char *));
123size_t confstr __P((int, char *, size_t));
124char *crypt __P((const char *, const char *));
125__const char *
126 crypt_get_format __P((void));
127int crypt_set_format __P((const char *));
128int des_cipher __P((const char *, char *, long, int));
129int des_setkey __P((const char *key));
130int encrypt __P((char *, int));
131void endusershell __P((void));
132int exect __P((const char *, char * const *, char * const *));
133int fchdir __P((int));
134int fchown __P((int, uid_t, gid_t));
135char *fflagstostr __P((u_long));
136int fsync __P((int));
137#ifndef _FTRUNCATE_DECLARED
138#define _FTRUNCATE_DECLARED
139int ftruncate __P((int, off_t));
140#endif
141int getdomainname __P((char *, int));
142int getdtablesize __P((void));
143int getgrouplist __P((const char *, int, int *, int *));
144long gethostid __P((void));
145int gethostname __P((char *, int));
146int getlogin_r __P((char *, int));
147mode_t getmode __P((const void *, mode_t));
148int getpagesize __P((void)) __pure2;
149char *getpass __P((const char *));
150int getpeereid __P((int, uid_t *, gid_t *));
151int getpgid __P((pid_t _pid));
152int getresgid __P((gid_t *, gid_t *, gid_t *));
153int getresuid __P((uid_t *, uid_t *, uid_t *));
154int getsid __P((pid_t _pid));
155char *getusershell __P((void));
156char *getwd __P((char *)); /* obsoleted by getcwd() */
157int initgroups __P((const char *, int));
158int iruserok __P((unsigned long, int, const char *, const char *));
159int iruserok_sa __P((const void *, int, int, const char *, const char *));
160int issetugid __P((void));
161int lchown __P((const char *, uid_t, gid_t));
162int lockf __P((int, int, off_t));
163char *mkdtemp __P((char *));
164int mknod __P((const char *, mode_t, dev_t));
165int mkstemp __P((char *));
166int mkstemps __P((char *, int));
167char *mktemp __P((char *));
168int nfssvc __P((int, void *));
169int nice __P((int));
170ssize_t pread __P((int, void *, size_t, off_t));
171int profil __P((char *, size_t, vm_offset_t, int));
172ssize_t pwrite __P((int, const void *, size_t, off_t));
173int rcmd __P((char **, int, const char *,
174 const char *, const char *, int *));
175int rcmd_af __P((char **, int, const char *,
176 const char *, const char *, int *, int));
177int rcmdsh __P((char **, int, const char *,
178 const char *, const char *, const char *));
179char *re_comp __P((const char *));
180int re_exec __P((const char *));
181int readlink __P((const char *, char *, int));
182int reboot __P((int));
183int revoke __P((const char *));
184pid_t rfork __P((int));
185pid_t rfork_thread __P((int, void *, int (*) __P((void *)), void *));
186int rresvport __P((int *));
187int rresvport_af __P((int *, int));
188int ruserok __P((const char *, int, const char *, const char *));
189void *sbrk __P((intptr_t));
190int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
191int setdomainname __P((const char *, int));
192int setegid __P((gid_t));
193int seteuid __P((uid_t));
194int setgroups __P((int, const gid_t *));
195void sethostid __P((long));
196int sethostname __P((const char *, int));
197int setkey __P((const char *));
198int setlogin __P((const char *));
199void *setmode __P((const char *));
200int setpgrp __P((pid_t _pid, pid_t _pgrp)); /* obsoleted by setpgid() */
201int setregid __P((gid_t, gid_t));
202int setresgid __P((gid_t, gid_t, gid_t));
203int setresuid __P((uid_t, uid_t, uid_t));
204int setreuid __P((uid_t, uid_t));
205int setrgid __P((gid_t));
206int setruid __P((uid_t));
207void setusershell __P((void));
208int strtofflags __P((char **, u_long *, u_long *));
209int swapon __P((const char *));
210int symlink __P((const char *, const char *));
211void sync __P((void));
212int syscall __P((int, ...));
213off_t __syscall __P((quad_t, ...));
214#ifndef _TRUNCATE_DECLARED
215#define _TRUNCATE_DECLARED
216int truncate __P((const char *, off_t));
217#endif
218int ttyslot __P((void));
219unsigned int ualarm __P((unsigned int, unsigned int));
220int undelete __P((const char *));
221int unwhiteout __P((const char *));
222int usleep __P((unsigned int));
223void *valloc __P((size_t)); /* obsoleted by malloc() */
224pid_t vfork __P((void));
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225int varsym_set(int level, const char *name, const char *data);
226int varsym_get(int mask, const char *wild, char *buf, int maxbufsize);
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227
228extern char *suboptarg; /* getsubopt(3) external variable */
229int getsubopt __P((char **, char * const *, char **));
230#endif /* !_POSIX_SOURCE */
231extern int optreset; /* getopt(3) external variable */
232__END_DECLS
233
234#endif /* !_UNISTD_H_ */