unistd.h revision 1.22 1 /* $NetBSD: unistd.h,v 1.22 1994/10/26 00:56:38 cgd Exp $ */
2
3 /*-
4 * Copyright (c) 1991 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * @(#)unistd.h 5.13 (Berkeley) 6/17/91
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 __BEGIN_DECLS
54 __dead void _exit __P((int)) __attribute__((noreturn));
55 int access __P((const char *, int));
56 unsigned alarm __P((unsigned));
57 int chdir __P((const char *));
58 int chown __P((const char *, uid_t, gid_t));
59 int close __P((int));
60 size_t confstr __P((int, char *, size_t));
61 char *cuserid __P((char *));
62 int dup __P((int));
63 int dup2 __P((int, int));
64 int execl __P((const char *, const char *, ...));
65 int execle __P((const char *, const char *, ...));
66 int execlp __P((const char *, const char *, ...));
67 int execv __P((const char *, char * const *));
68 int execve __P((const char *, char * const *, char * const *));
69 int execvp __P((const char *, char * const *));
70 pid_t fork __P((void));
71 long fpathconf __P((int, int)); /* not yet */
72 char *getcwd __P((char *, size_t));
73 gid_t getegid __P((void));
74 uid_t geteuid __P((void));
75 gid_t getgid __P((void));
76 int getgroups __P((int, gid_t *));
77 char *getlogin __P((void));
78 pid_t getpgrp __P((void));
79 pid_t getpid __P((void));
80 pid_t getppid __P((void));
81 uid_t getuid __P((void));
82 int isatty __P((int));
83 int link __P((const char *, const char *));
84 off_t lseek __P((int, off_t, int));
85 long pathconf __P((const char *, int)); /* not yet */
86 int pause __P((void));
87 int pipe __P((int *));
88 ssize_t read __P((int, void *, size_t));
89 int rmdir __P((const char *));
90 int setgid __P((gid_t));
91 int setpgid __P((pid_t, pid_t));
92 pid_t setsid __P((void));
93 int setuid __P((uid_t));
94 unsigned sleep __P((unsigned));
95 long sysconf __P((int)); /* not yet */
96 pid_t tcgetpgrp __P((int));
97 int tcsetpgrp __P((int, pid_t));
98 char *ttyname __P((int));
99 int unlink __P((const char *));
100 ssize_t write __P((int, const void *, size_t));
101
102 #ifndef _POSIX_SOURCE
103
104 /* structure timeval required for select() */
105 #include <sys/time.h>
106
107 int acct __P((const char *));
108 char *brk __P((const char *));
109 int chroot __P((const char *));
110 char *crypt __P((const char *, const char *));
111 int des_cipher __P((const char *, char *, long, int));
112 int des_setkey __P((const char *key));
113 int encrypt __P((char *, int));
114 void endusershell __P((void));
115 int exect __P((const char *, char * const *, char * const *));
116 int fchdir __P((int));
117 int fchown __P((int, uid_t, gid_t));
118 int fsync __P((int));
119 int ftruncate __P((int, off_t));
120 int getdomainname __P((char *, int));
121 int getdtablesize __P((void));
122 long gethostid __P((void));
123 int gethostname __P((char *, int));
124 mode_t getmode __P((const void *, mode_t));
125 int getpagesize __P((void));
126 char *getpass __P((const char *));
127 char *getusershell __P((void));
128 char *getwd __P((char *)); /* obsoleted by getcwd() */
129 int initgroups __P((const char *, int));
130 int mknod __P((const char *, mode_t, dev_t));
131 int mkstemp __P((char *));
132 char *mktemp __P((char *));
133 int nfssvc __P((int, void *));
134 int nice __P((int));
135 void psignal __P((u_int, const char *));
136 extern const char *const sys_siglist[];
137 int profil __P((char *, int, int, int));
138 int rcmd __P((char **, int, const char *,
139 const char *, const char *, int *));
140 char *re_comp __P((const char *));
141 int re_exec __P((const char *));
142 int readlink __P((const char *, char *, int));
143 int reboot __P((int));
144 int revoke __P((const char *));
145 int rresvport __P((int *));
146 int ruserok __P((const char *, int, const char *, const char *));
147 char *sbrk __P((int));
148 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
149 int setdomainname __P((const char *, int));
150 int setegid __P((gid_t));
151 int seteuid __P((uid_t));
152 int setgroups __P((int, const gid_t *));
153 void sethostid __P((long));
154 int sethostname __P((const char *, int));
155 int setkey __P((const char *));
156 int setlogin __P((const char *));
157 void *setmode __P((const char *));
158 int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */
159 int setregid __P((int, int));
160 int setreuid __P((int, int));
161 int setrgid __P((gid_t));
162 int setruid __P((uid_t));
163 void setusershell __P((void));
164 int swapon __P((const char *));
165 int symlink __P((const char *, const char *));
166 void sync __P((void));
167 int syscall __P((int, ...));
168 int truncate __P((const char *, off_t));
169 int ttyslot __P((void));
170 u_int ualarm __P((u_int, u_int));
171 void usleep __P((u_int));
172 void *valloc __P((size_t)); /* obsoleted by malloc() */
173 pid_t vfork __P((void));
174
175 int getopt __P((int, char * const *, const char *));
176 extern char *optarg; /* getopt(3) external variables */
177 extern int opterr;
178 extern int optind;
179 extern int optopt;
180 extern int optreset;
181 int getsubopt __P((char **, char * const *, char **));
182 extern char *suboptarg; /* getsubopt(3) external variable */
183 #endif /* !_POSIX_SOURCE */
184 __END_DECLS
185
186 #endif /* !_UNISTD_H_ */
187