unistd.h revision 37509
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 */ 35 36#ifndef _UNISTD_H_ 37#define _UNISTD_H_ 38 39#include <sys/cdefs.h> 40#include <sys/types.h> 41#include <sys/unistd.h> 42 43#define STDIN_FILENO 0 /* standard input file descriptor */ 44#define STDOUT_FILENO 1 /* standard output file descriptor */ 45#define STDERR_FILENO 2 /* standard error file descriptor */ 46 47#ifndef NULL 48#define NULL 0 /* null pointer constant */ 49#endif 50 51#ifndef _POSIX_SOURCE 52#define F_ULOCK 0 /* unlock locked section */ 53#define F_LOCK 1 /* lock a section for exclusive use */ 54#define F_TLOCK 2 /* test and lock a section for exclusive use */ 55#define F_TEST 3 /* test a section for locks by other processes */ 56#endif 57 58__BEGIN_DECLS 59void _exit __P((int)) __dead2; 60int access __P((const char *, int)); 61unsigned int alarm __P((unsigned int)); 62int chdir __P((const char *)); 63int chown __P((const char *, uid_t, gid_t)); 64int close __P((int)); 65int dup __P((int)); 66int dup2 __P((int, int)); 67int execl __P((const char *, const char *, ...)); 68int execle __P((const char *, const char *, ...)); 69int execlp __P((const char *, const char *, ...)); 70int execv __P((const char *, char * const *)); 71int execve __P((const char *, char * const *, char * const *)); 72int execvp __P((const char *, char * const *)); 73pid_t fork __P((void)); 74long fpathconf __P((int, int)); 75char *getcwd __P((char *, size_t)); 76gid_t getegid __P((void)); 77uid_t geteuid __P((void)); 78gid_t getgid __P((void)); 79int getgroups __P((int, gid_t [])); 80char *getlogin __P((void)); 81pid_t getpgrp __P((void)); 82pid_t getpid __P((void)); 83pid_t getppid __P((void)); 84uid_t getuid __P((void)); 85int isatty __P((int)); 86int link __P((const char *, const char *)); 87#ifndef _LSEEK_DECLARED 88#define _LSEEK_DECLARED 89off_t lseek __P((int, off_t, int)); 90#endif 91long pathconf __P((const char *, int)); 92int pause __P((void)); 93int pipe __P((int *)); 94ssize_t read __P((int, void *, size_t)); 95int rmdir __P((const char *)); 96int setgid __P((gid_t)); 97int setpgid __P((pid_t, pid_t)); 98pid_t setsid __P((void)); 99int setuid __P((uid_t)); 100unsigned int sleep __P((unsigned int)); 101long sysconf __P((int)); 102pid_t tcgetpgrp __P((int)); 103int tcsetpgrp __P((int, pid_t)); 104char *ttyname __P((int)); 105int unlink __P((const char *)); 106ssize_t write __P((int, const void *, size_t)); 107 108extern char *optarg; /* getopt(3) external variables */ 109extern int optind, opterr, optopt; 110int getopt __P((int, char * const [], const char *)); 111 112#ifndef _POSIX_SOURCE 113#ifdef __STDC__ 114struct timeval; /* select(2) */ 115#endif 116int acct __P((const char *)); 117int async_daemon __P((void)); 118char *brk __P((const char *)); 119int chroot __P((const char *)); 120size_t confstr __P((int, char *, size_t)); 121char *crypt __P((const char *, const char *)); 122int des_cipher __P((const char *, char *, long, int)); 123int des_setkey __P((const char *key)); 124int encrypt __P((char *, int)); 125void endusershell __P((void)); 126int exect __P((const char *, char * const *, char * const *)); 127int fchdir __P((int)); 128int fchown __P((int, uid_t, gid_t)); 129int fsync __P((int)); 130#ifndef _FTRUNCATE_DECLARED 131#define _FTRUNCATE_DECLARED 132int ftruncate __P((int, off_t)); 133#endif 134int getdomainname __P((char *, int)); 135int getdtablesize __P((void)); 136int getgrouplist __P((const char *, int, int *, int *)); 137long gethostid __P((void)); 138int gethostname __P((char *, int)); 139mode_t getmode __P((const void *, mode_t)); 140int getpagesize __P((void)) __pure2; 141char *getpass __P((const char *)); 142int getpgid __P((pid_t _pid)); 143int getsid __P((pid_t _pid)); 144char *getusershell __P((void)); 145char *getwd __P((char *)); /* obsoleted by getcwd() */ 146int initgroups __P((const char *, int)); 147int iruserok __P((unsigned long, int, const char *, const char *)); 148int issetugid __P((void)); 149int lchown __P((const char *, uid_t, gid_t)); 150int lockf __P((int, int, off_t)); 151char *mkdtemp __P((char *)); 152int mknod __P((const char *, mode_t, dev_t)); 153int mkstemp __P((char *)); 154char *mktemp __P((char *)); 155int nfssvc __P((int, void *)); 156int nice __P((int)); 157int profil __P((char *, int, int, int)); 158int rcmd __P((char **, int, const char *, 159 const char *, const char *, int *)); 160char *re_comp __P((const char *)); 161int re_exec __P((const char *)); 162int readlink __P((const char *, char *, int)); 163int reboot __P((int)); 164int revoke __P((const char *)); 165pid_t rfork __P((int)); 166int rresvport __P((int *)); 167int ruserok __P((const char *, int, const char *, const char *)); 168char *sbrk __P((int)); 169int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 170int setdomainname __P((const char *, int)); 171int setegid __P((gid_t)); 172int seteuid __P((uid_t)); 173int setgroups __P((int, const gid_t *)); 174void sethostid __P((long)); 175int sethostname __P((const char *, int)); 176int setkey __P((const char *)); 177int setlogin __P((const char *)); 178void *setmode __P((const char *)); 179int setpgrp __P((pid_t _pid, pid_t _pgrp)); /* obsoleted by setpgid() */ 180int setregid __P((gid_t, gid_t)); 181int setreuid __P((uid_t, uid_t)); 182int setrgid __P((gid_t)); 183int setruid __P((uid_t)); 184void setusershell __P((void)); 185int swapon __P((const char *)); 186int symlink __P((const char *, const char *)); 187void sync __P((void)); 188int syscall __P((int, ...)); 189off_t __syscall __P((quad_t, ...)); 190#ifndef _TRUNCATE_DECLARED 191#define _TRUNCATE_DECLARED 192int truncate __P((const char *, off_t)); 193#endif 194int ttyslot __P((void)); 195unsigned int ualarm __P((unsigned int, unsigned int)); 196int undelete __P((const char *)); 197int unwhiteout __P((const char *)); 198int usleep __P((unsigned int)); 199void *valloc __P((size_t)); /* obsoleted by malloc() */ 200pid_t vfork __P((void)); 201 202extern char *suboptarg; /* getsubopt(3) external variable */ 203int getsubopt __P((char **, char * const *, char **)); 204#endif /* !_POSIX_SOURCE */ 205__END_DECLS 206 207#endif /* !_UNISTD_H_ */ 208