unistd.h revision 1.21
1 /*- 2 * Copyright (c) 1991 The Regents of the University of California. 3 * 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 * from: @(#)unistd.h 5.13 (Berkeley) 6/17/91 34 * $Id: unistd.h,v 1.21 1994/10/19 03:45:20 cgd Exp $ 35 */ 36 37 #ifndef _UNISTD_H_ 38 #define _UNISTD_H_ 39 40 #include <sys/cdefs.h> 41 #include <sys/types.h> 42 #include <sys/unistd.h> 43 44 #define STDIN_FILENO 0 /* standard input file descriptor */ 45 #define STDOUT_FILENO 1 /* standard output file descriptor */ 46 #define STDERR_FILENO 2 /* standard error file descriptor */ 47 48 #ifndef NULL 49 #define NULL 0 /* null pointer constant */ 50 #endif 51 52 __BEGIN_DECLS 53 __dead void _exit __P((int)) __attribute__((noreturn)); 54 int access __P((const char *, int)); 55 unsigned alarm __P((unsigned)); 56 int chdir __P((const char *)); 57 int chown __P((const char *, uid_t, gid_t)); 58 int close __P((int)); 59 size_t confstr __P((int, char *, size_t)); 60 char *cuserid __P((char *)); 61 int dup __P((int)); 62 int dup2 __P((int, int)); 63 int execl __P((const char *, const char *, ...)); 64 int execle __P((const char *, const char *, ...)); 65 int execlp __P((const char *, const char *, ...)); 66 int execv __P((const char *, char * const *)); 67 int execve __P((const char *, char * const *, char * const *)); 68 int execvp __P((const char *, char * const *)); 69 pid_t fork __P((void)); 70 long fpathconf __P((int, int)); /* not yet */ 71 char *getcwd __P((char *, size_t)); 72 gid_t getegid __P((void)); 73 uid_t geteuid __P((void)); 74 gid_t getgid __P((void)); 75 int getgroups __P((int, gid_t *)); 76 char *getlogin __P((void)); 77 pid_t getpgrp __P((void)); 78 pid_t getpid __P((void)); 79 pid_t getppid __P((void)); 80 uid_t getuid __P((void)); 81 int isatty __P((int)); 82 int link __P((const char *, const char *)); 83 off_t lseek __P((int, off_t, int)); 84 long pathconf __P((const char *, int)); /* not yet */ 85 int pause __P((void)); 86 int pipe __P((int *)); 87 ssize_t read __P((int, void *, size_t)); 88 int rmdir __P((const char *)); 89 int setgid __P((gid_t)); 90 int setpgid __P((pid_t, pid_t)); 91 pid_t setsid __P((void)); 92 int setuid __P((uid_t)); 93 unsigned sleep __P((unsigned)); 94 long sysconf __P((int)); /* not yet */ 95 pid_t tcgetpgrp __P((int)); 96 int tcsetpgrp __P((int, pid_t)); 97 char *ttyname __P((int)); 98 int unlink __P((const char *)); 99 ssize_t write __P((int, const void *, size_t)); 100 101 #ifndef _POSIX_SOURCE 102 103 /* structure timeval required for select() */ 104 #include <sys/time.h> 105 106 int acct __P((const char *)); 107 char *brk __P((const char *)); 108 int chroot __P((const char *)); 109 char *crypt __P((const char *, const char *)); 110 int des_cipher __P((const char *, char *, long, int)); 111 int des_setkey __P((const char *key)); 112 int encrypt __P((char *, int)); 113 void endusershell __P((void)); 114 int exect __P((const char *, char * const *, char * const *)); 115 int fchdir __P((int)); 116 int fchown __P((int, uid_t, gid_t)); 117 int fsync __P((int)); 118 int ftruncate __P((int, off_t)); 119 int getdomainname __P((char *, int)); 120 int getdtablesize __P((void)); 121 long gethostid __P((void)); 122 int gethostname __P((char *, int)); 123 mode_t getmode __P((const void *, mode_t)); 124 int getpagesize __P((void)); 125 char *getpass __P((const char *)); 126 char *getusershell __P((void)); 127 char *getwd __P((char *)); /* obsoleted by getcwd() */ 128 int initgroups __P((const char *, int)); 129 int mknod __P((const char *, mode_t, dev_t)); 130 int mkstemp __P((char *)); 131 char *mktemp __P((char *)); 132 int nfssvc __P((int, void *)); 133 int nice __P((int)); 134 void psignal __P((u_int, const char *)); 135 extern const char *const sys_siglist[]; 136 int profil __P((char *, int, int, int)); 137 int rcmd __P((char **, int, const char *, 138 const char *, const char *, int *)); 139 char *re_comp __P((const char *)); 140 int re_exec __P((const char *)); 141 int readlink __P((const char *, char *, int)); 142 int reboot __P((int)); 143 int revoke __P((const char *)); 144 int rresvport __P((int *)); 145 int ruserok __P((const char *, int, const char *, const char *)); 146 char *sbrk __P((int)); 147 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 148 int setdomainname __P((const char *, int)); 149 int setegid __P((gid_t)); 150 int seteuid __P((uid_t)); 151 int setgroups __P((int, const gid_t *)); 152 void sethostid __P((long)); 153 int sethostname __P((const char *, int)); 154 int setkey __P((const char *)); 155 int setlogin __P((const char *)); 156 void *setmode __P((const char *)); 157 int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 158 int setregid __P((int, int)); 159 int setreuid __P((int, int)); 160 int setrgid __P((gid_t)); 161 int setruid __P((uid_t)); 162 void setusershell __P((void)); 163 int swapon __P((const char *)); 164 int symlink __P((const char *, const char *)); 165 void sync __P((void)); 166 int syscall __P((int, ...)); 167 int truncate __P((const char *, off_t)); 168 int ttyslot __P((void)); 169 u_int ualarm __P((u_int, u_int)); 170 void usleep __P((u_int)); 171 void *valloc __P((size_t)); /* obsoleted by malloc() */ 172 pid_t vfork __P((void)); 173 174 int getopt __P((int, char * const *, const char *)); 175 extern char *optarg; /* getopt(3) external variables */ 176 extern int opterr; 177 extern int optind; 178 extern int optopt; 179 extern int optreset; 180 int getsubopt __P((char **, char * const *, char **)); 181 extern char *suboptarg; /* getsubopt(3) external variable */ 182 #endif /* !_POSIX_SOURCE */ 183 __END_DECLS 184 185 #endif /* !_UNISTD_H_ */ 186
Indexes created Fri Sep 26 20:09:58 GMT 2025