unistd.h revision 1.23
1/* $NetBSD: unistd.h,v 1.23 1994/12/23 15:04:05 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)); 55int access __P((const char *, int)); 56unsigned alarm __P((unsigned)); 57int chdir __P((const char *)); 58int chown __P((const char *, uid_t, gid_t)); 59int close __P((int)); 60size_t confstr __P((int, char *, size_t)); 61char *cuserid __P((char *)); 62int dup __P((int)); 63int dup2 __P((int, int)); 64int execl __P((const char *, const char *, ...)); 65int execle __P((const char *, const char *, ...)); 66int execlp __P((const char *, const char *, ...)); 67int execv __P((const char *, char * const *)); 68int execve __P((const char *, char * const *, char * const *)); 69int execvp __P((const char *, char * const *)); 70pid_t fork __P((void)); 71long fpathconf __P((int, int)); /* not yet */ 72char *getcwd __P((char *, size_t)); 73gid_t getegid __P((void)); 74uid_t geteuid __P((void)); 75gid_t getgid __P((void)); 76int getgroups __P((int, gid_t *)); 77char *getlogin __P((void)); 78pid_t getpgrp __P((void)); 79pid_t getpid __P((void)); 80pid_t getppid __P((void)); 81uid_t getuid __P((void)); 82int isatty __P((int)); 83int link __P((const char *, const char *)); 84off_t lseek __P((int, off_t, int)); 85long pathconf __P((const char *, int)); /* not yet */ 86int pause __P((void)); 87int pipe __P((int *)); 88ssize_t read __P((int, void *, size_t)); 89int rmdir __P((const char *)); 90int setgid __P((gid_t)); 91int setpgid __P((pid_t, pid_t)); 92pid_t setsid __P((void)); 93int setuid __P((uid_t)); 94unsigned sleep __P((unsigned)); 95long sysconf __P((int)); /* not yet */ 96pid_t tcgetpgrp __P((int)); 97int tcsetpgrp __P((int, pid_t)); 98char *ttyname __P((int)); 99int unlink __P((const char *)); 100ssize_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 107int acct __P((const char *)); 108char *brk __P((const char *)); 109int chroot __P((const char *)); 110char *crypt __P((const char *, const char *)); 111int des_cipher __P((const char *, char *, long, int)); 112int des_setkey __P((const char *key)); 113int encrypt __P((char *, int)); 114void endusershell __P((void)); 115int exect __P((const char *, char * const *, char * const *)); 116int fchdir __P((int)); 117int fchown __P((int, uid_t, gid_t)); 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)); 125int getpagesize __P((void)); 126char *getpass __P((const char *)); 127char *getusershell __P((void)); 128char *getwd __P((char *)); /* obsoleted by getcwd() */ 129int initgroups __P((const char *, int)); 130int iruserok __P((u_long, int, const char *, const char *)); 131int mknod __P((const char *, mode_t, dev_t)); 132int mkstemp __P((char *)); 133char *mktemp __P((char *)); 134int nfssvc __P((int, void *)); 135int nice __P((int)); 136void psignal __P((u_int, const char *)); 137extern const char *const sys_siglist[]; 138int profil __P((char *, int, int, int)); 139int rcmd __P((char **, int, const char *, 140 const char *, const char *, int *)); 141char *re_comp __P((const char *)); 142int re_exec __P((const char *)); 143int readlink __P((const char *, char *, int)); 144int reboot __P((int)); 145int revoke __P((const char *)); 146int rresvport __P((int *)); 147int ruserok __P((const char *, int, const char *, const char *)); 148char *sbrk __P((int)); 149int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 150int setdomainname __P((const char *, int)); 151int setegid __P((gid_t)); 152int seteuid __P((uid_t)); 153int setgroups __P((int, const gid_t *)); 154void sethostid __P((long)); 155int sethostname __P((const char *, int)); 156int setkey __P((const char *)); 157int setlogin __P((const char *)); 158void *setmode __P((const char *)); 159int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 160int setregid __P((int, int)); 161int setreuid __P((int, int)); 162int setrgid __P((gid_t)); 163int setruid __P((uid_t)); 164void setusershell __P((void)); 165int swapon __P((const char *)); 166int symlink __P((const char *, const char *)); 167void sync __P((void)); 168int syscall __P((int, ...)); 169int truncate __P((const char *, off_t)); 170int ttyslot __P((void)); 171u_int ualarm __P((u_int, u_int)); 172void usleep __P((u_int)); 173void *valloc __P((size_t)); /* obsoleted by malloc() */ 174pid_t vfork __P((void)); 175 176int getopt __P((int, char * const *, const char *)); 177extern char *optarg; /* getopt(3) external variables */ 178extern int opterr; 179extern int optind; 180extern int optopt; 181extern int optreset; 182int getsubopt __P((char **, char * const *, char **)); 183extern char *suboptarg; /* getsubopt(3) external variable */ 184#endif /* !_POSIX_SOURCE */ 185__END_DECLS 186 187#endif /* !_UNISTD_H_ */ 188