unistd.h revision 1.52
1/* $NetBSD: unistd.h,v 1.52 1998/03/27 13:02:20 kleink Exp $ */ 2 3/*- 4 * Copyright (c) 1991, 1993, 1994 5 * The Regents of the University of California. 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 8.12 (Berkeley) 4/27/95 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#include <sys/featuretest.h> 46 47#define STDIN_FILENO 0 /* standard input file descriptor */ 48#define STDOUT_FILENO 1 /* standard output file descriptor */ 49#define STDERR_FILENO 2 /* standard error file descriptor */ 50 51#ifndef NULL 52#define NULL 0 /* null pointer constant */ 53#endif 54 55__BEGIN_DECLS 56__dead void _exit __P((int)) __attribute__((noreturn)); 57int access __P((const char *, int)); 58unsigned int alarm __P((unsigned int)); 59int chdir __P((const char *)); 60int close __P((int)); 61size_t confstr __P((int, char *, size_t)); 62char *cuserid __P((char *)); 63int dup __P((int)); 64int dup2 __P((int, int)); 65int execl __P((const char *, const char *, ...)); 66int execle __P((const char *, const char *, ...)); 67int execlp __P((const char *, const char *, ...)); 68int execv __P((const char *, char * const *)); 69int execve __P((const char *, char * const *, char * const *)); 70int execvp __P((const char *, char * const *)); 71pid_t fork __P((void)); 72long fpathconf __P((int, int)); 73char *getcwd __P((char *, size_t)); 74gid_t getegid __P((void)); 75uid_t geteuid __P((void)); 76gid_t getgid __P((void)); 77int getgrouplist __P((const char *, gid_t, gid_t *, int *)); 78int getgroups __P((int, gid_t [])); 79char *getlogin __P((void)); 80pid_t getpgrp __P((void)); 81pid_t getpid __P((void)); 82pid_t getppid __P((void)); 83uid_t getuid __P((void)); 84int isatty __P((int)); 85int link __P((const char *, const char *)); 86off_t lseek __P((int, off_t, int)); 87long pathconf __P((const char *, int)); 88int pause __P((void)); 89int pipe __P((int *)); 90ssize_t read __P((int, void *, size_t)); 91int rmdir __P((const char *)); 92int setgid __P((gid_t)); 93int setpgid __P((pid_t, pid_t)); 94pid_t setsid __P((void)); 95int setuid __P((uid_t)); 96unsigned int sleep __P((unsigned int)); 97long sysconf __P((int)); 98pid_t tcgetpgrp __P((int)); 99int tcsetpgrp __P((int, pid_t)); 100char *ttyname __P((int)); 101int unlink __P((const char *)); 102ssize_t write __P((int, const void *, size_t)); 103 104#ifndef _POSIX_SOURCE 105#ifdef __STDC__ 106struct timeval; /* select(2) */ 107#endif 108int acct __P((const char *)); 109char *brk __P((const char *)); 110int chroot __P((const char *)); 111char *crypt __P((const char *, const char *)); 112int des_cipher __P((const char *, char *, long, int)); 113int des_setkey __P((const char *key)); 114int encrypt __P((char *, int)); 115void endusershell __P((void)); 116int exect __P((const char *, char * const *, char * const *)); 117int fchdir __P((int)); 118int fsync __P((int)); 119int ftruncate __P((int, off_t)); 120int getdomainname __P((char *, int)); 121int getdtablesize __P((void)); 122long gethostid __P((void)); 123int gethostname __P((char *, int)); 124mode_t getmode __P((const void *, mode_t)); 125__pure int 126 getpagesize __P((void)); 127char *getpass __P((const char *)); 128pid_t getsid __P((pid_t)); 129char *getusershell __P((void)); 130char *getwd __P((char *)); /* obsoleted by getcwd() */ 131int initgroups __P((const char *, gid_t)); 132int iruserok __P((u_int32_t, int, const char *, const char *)); 133int mknod __P((const char *, mode_t, dev_t)); 134int mkstemp __P((char *)); 135char *mktemp __P((char *)); 136int nfssvc __P((int, void *)); 137int nice __P((int)); 138void psignal __P((unsigned int, const char *)); 139extern __const char *__const sys_siglist[]; 140int profil __P((char *, size_t, u_long, u_int)); 141int rcmd __P((char **, int, const char *, 142 const char *, const char *, int *)); 143char *re_comp __P((const char *)); 144int re_exec __P((const char *)); 145int readlink __P((const char *, char *, size_t)); 146int reboot __P((int, char *)); 147int revoke __P((const char *)); 148int rresvport __P((int *)); 149int ruserok __P((const char *, int, const char *, const char *)); 150char *sbrk __P((int)); 151int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 152int setdomainname __P((const char *, int)); 153int setegid __P((gid_t)); 154int seteuid __P((uid_t)); 155int setgroups __P((int, const gid_t *)); 156int sethostid __P((long)); 157int sethostname __P((const char *, int)); 158int setkey __P((const char *)); 159int setlogin __P((const char *)); 160void *setmode __P((const char *)); 161int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 162int setregid __P((gid_t, gid_t)); 163int setreuid __P((uid_t, uid_t)); 164int setrgid __P((gid_t)); 165int setruid __P((uid_t)); 166void setusershell __P((void)); 167void strmode __P((mode_t, char *)); 168char *strsignal __P((int)); 169void swab __P((const void *, void *, size_t)); 170int swapctl __P((int, const void *, int)); 171int swapon __P((const char *)); /* obsoleted by swapctl() */ 172int symlink __P((const char *, const char *)); 173void sync __P((void)); 174int syscall __P((int, ...)); 175quad_t __syscall __P((quad_t, ...)); 176int truncate __P((const char *, off_t)); 177int ttyslot __P((void)); 178useconds_t ualarm __P((useconds_t, useconds_t)); 179int undelete __P((const char *)); 180int usleep __P((useconds_t)); 181int unwhiteout __P((const char *)); 182void *valloc __P((size_t)); /* obsoleted by malloc() */ 183#ifdef __LIBC12_SOURCE__ 184pid_t vfork __P((void)); 185pid_t __vfork14 __P((void)); 186#else 187pid_t vfork __P((void)) __RENAME(__vfork14); 188#endif 189 190int getopt __P((int, char * const *, const char *)); 191extern char *optarg; /* getopt(3) external variables */ 192extern int opterr; 193extern int optind; 194extern int optopt; 195extern int optreset; 196int getsubopt __P((char **, char * const *, char **)); 197extern char *suboptarg; /* getsubopt(3) external variable */ 198#endif /* !_POSIX_SOURCE */ 199 200#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 201int chown __P((const char *, uid_t, gid_t)) __RENAME(__posix_chown); 202int rename __P((const char *, const char *)) __RENAME(__posix_rename); 203#else 204int chown __P((const char *, uid_t, gid_t)); 205int rename __P((const char *, const char *)); 206#endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */ 207 208#if defined(_XOPEN_SOURCE) 209int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown); 210int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown); 211#else 212#if !defined(_POSIX_C_SOURCE) 213int fchown __P((int, uid_t, gid_t)); 214int lchown __P((const char *, uid_t, gid_t)); 215#endif /* !defined(_POSIX_C_SOURCE) */ 216#endif /* defined(_XOPEN_SOURCE) */ 217 218#if (!defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \ 219 !defined(_XOPEN_SOURCE)) || \ 220 (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE_EXTENDED - 0 == 1) 221#define F_ULOCK 0 222#define F_LOCK 1 223#define F_TLOCK 2 224#define F_TEST 3 225int lockf __P((int, int, off_t)); 226#endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */ 227__END_DECLS 228 229#endif /* !_UNISTD_H_ */ 230