unistd.h revision 1.46
1/* $OpenBSD: unistd.h,v 1.46 2003/05/10 17:51:39 miod Exp $ */ 2/* $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $ */ 3 4/*- 5 * Copyright (c) 1991 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)unistd.h 5.13 (Berkeley) 6/17/91 37 */ 38 39#ifndef _UNISTD_H_ 40#define _UNISTD_H_ 41 42#include <sys/cdefs.h> 43#include <sys/types.h> 44#include <sys/unistd.h> 45 46#define STDIN_FILENO 0 /* standard input file descriptor */ 47#define STDOUT_FILENO 1 /* standard output file descriptor */ 48#define STDERR_FILENO 2 /* standard error file descriptor */ 49 50#ifndef NULL 51#ifdef __GNUG__ 52#define NULL __null 53#else 54#define NULL 0L 55#endif 56#endif 57 58__BEGIN_DECLS 59__dead void _exit(int); 60int access(const char *, int); 61unsigned int alarm(unsigned int); 62int chdir(const char *); 63int chown(const char *, uid_t, gid_t); 64int close(int); 65size_t confstr(int, char *, size_t); 66char *cuserid(char *); 67int dup(int); 68int dup2(int, int); 69int execl(const char *, const char *, ...) 70 __attribute__((sentinel)); 71int execle(const char *, const char *, ...) 72 __attribute__((sentinel)); 73int execlp(const char *, const char *, ...) 74 __attribute__((sentinel)); 75int execv(const char *, char * const *); 76int execve(const char *, char * const *, char * const *); 77int execvp(const char *, char * const *); 78pid_t fork(void); 79long fpathconf(int, int); 80char *getcwd(char *, size_t); 81gid_t getegid(void); 82uid_t geteuid(void); 83gid_t getgid(void); 84int getgroups(int, gid_t *); 85char *getlogin(void); 86int getlogin_r(char *, size_t); 87pid_t getpgrp(void); 88pid_t getpid(void); 89pid_t getpgid(pid_t); 90pid_t getppid(void); 91pid_t getsid(pid_t); 92uid_t getuid(void); 93int isatty(int); 94int link(const char *, const char *); 95off_t lseek(int, off_t, int); 96long pathconf(const char *, int); 97int pause(void); 98int pipe(int *); 99ssize_t read(int, void *, size_t); 100int rmdir(const char *); 101int setgid(gid_t); 102int setpgid(pid_t, pid_t); 103pid_t setsid(void); 104int setuid(uid_t); 105unsigned int sleep(unsigned int); 106long sysconf(int); 107pid_t tcgetpgrp(int); 108int tcsetpgrp(int, pid_t); 109char *ttyname(int); 110int ttyname_r(int, char *, size_t); 111int unlink(const char *); 112ssize_t write(int, const void *, size_t); 113 114#ifndef _POSIX_SOURCE 115 116/* structure timeval required for select() */ 117#include <sys/time.h> 118 119/* 120 * X/Open CAE Specification Issue 5 Version 2 121 */ 122#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 123 (_XOPEN_VERSION - 0) >= 500 124ssize_t pread(int, void *, size_t, off_t); 125ssize_t pwrite(int, const void *, size_t, off_t); 126#endif 127 128int acct(const char *); 129char *brk(const char *); 130int chroot(const char *); 131char *crypt(const char *, const char *); 132int des_cipher(const char *, char *, long, int); 133int des_setkey(const char *key); 134int encrypt(char *, int); 135void endusershell(void); 136int exect(const char *, char * const *, char * const *); 137int fchdir(int); 138int fchown(int, uid_t, gid_t); 139char *fflagstostr(u_int32_t); 140int fsync(int); 141int ftruncate(int, off_t); 142int getdomainname(char *, size_t); 143int getdtablesize(void); 144int getgrouplist(const char *, gid_t, gid_t *, int *); 145long gethostid(void); 146int gethostname(char *, size_t); 147mode_t getmode(const void *, mode_t); 148int getpagesize(void); 149int getresgid(gid_t *, gid_t *, gid_t *); 150int getresuid(uid_t *, uid_t *, uid_t *); 151char *getpass(const char *); 152char *getusershell(void); 153char *getwd(char *); /* obsoleted by getcwd() */ 154int initgroups(const char *, gid_t); 155int iruserok(u_int32_t, int, const char *, const char *); 156int iruserok_sa(const void *, int, int, const char *, const char *); 157int lchown(const char *, uid_t, gid_t); 158char *mkdtemp(char *); 159int mkstemp(char *); 160int mkstemps(char *, int); 161char *mktemp(char *); 162int nfssvc(int, void *); 163int nice(int); 164void psignal(unsigned int, const char *); 165extern __const char *__const sys_siglist[]; 166int profil(char *, size_t, unsigned long, unsigned int); 167int rcmd(char **, int, const char *, 168 const char *, const char *, int *); 169int rcmd_af(char **, int, const char *, 170 const char *, const char *, int *, int); 171int rcmdsh(char **, int, const char *, 172 const char *, const char *, char *); 173char *re_comp(const char *); 174int re_exec(const char *); 175int readlink(const char *, char *, size_t); 176int reboot(int); 177int revoke(const char *); 178int rfork(int opts); 179int rresvport(int *); 180int rresvport_af(int *, int); 181int ruserok(const char *, int, const char *, const char *); 182int quotactl(const char *, int, int, char *); 183char *sbrk(int); 184 185#if !defined(_XOPEN_SOURCE) 186int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 187#endif 188 189int setdomainname(const char *, size_t); 190int setegid(gid_t); 191int seteuid(uid_t); 192int setgroups(int, const gid_t *); 193int sethostid(long); 194int sethostname(const char *, size_t); 195int setkey(const char *); 196int setlogin(const char *); 197void *setmode(const char *); 198int setpgrp(pid_t pid, pid_t pgrp); /* obsoleted by setpgid() */ 199int setregid(gid_t, gid_t); 200int setresgid(gid_t, gid_t, gid_t); 201int setresuid(uid_t, uid_t, uid_t); 202int setreuid(uid_t, uid_t); 203int setrgid(gid_t); 204int setruid(uid_t); 205void setusershell(void); 206int strtofflags(char **, u_int32_t *, u_int32_t *); 207void swab(const void *, void *, size_t); 208int swapctl(int cmd, const void *arg, int misc); 209int symlink(const char *, const char *); 210void sync(void); 211int syscall(int, ...); 212int truncate(const char *, off_t); 213int ttyslot(void); 214unsigned int ualarm(unsigned int, unsigned int); 215int undelete(const char *); 216int usleep(useconds_t); 217void *valloc(size_t); /* obsoleted by malloc() */ 218pid_t vfork(void); 219int issetugid(void); 220 221#ifndef _GETOPT_DEFINED_ 222#define _GETOPT_DEFINED_ 223int getopt(int, char * const *, const char *); 224extern char *optarg; /* getopt(3) external variables */ 225extern int opterr; 226extern int optind; 227extern int optopt; 228extern int optreset; 229int getsubopt(char **, char * const *, char **); 230extern char *suboptarg; /* getsubopt(3) external variable */ 231#endif /* _GETOPT_DEFINED_ */ 232#endif /* !_POSIX_SOURCE */ 233 234#if (!defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \ 235 !defined(_XOPEN_SOURCE)) || \ 236 (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE_EXTENDED - 0 == 1) 237#define F_ULOCK 0 238#define F_LOCK 1 239#define F_TLOCK 2 240#define F_TEST 3 241int lockf(int, int, off_t); 242#endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */ 243__END_DECLS 244 245#endif /* !_UNISTD_H_ */ 246