unistd.h revision 1.79
1/* $NetBSD: unistd.h,v 1.79 1999/12/22 21:26:20 kleink Exp $ */ 2 3/*- 4 * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Klaus Klein. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39/* 40 * Copyright (c) 1991, 1993, 1994 41 * The Regents of the University of California. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by the University of 54 * California, Berkeley and its contributors. 55 * 4. Neither the name of the University nor the names of its contributors 56 * may be used to endorse or promote products derived from this software 57 * without specific prior written permission. 58 * 59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 * 71 * @(#)unistd.h 8.12 (Berkeley) 4/27/95 72 */ 73 74#ifndef _UNISTD_H_ 75#define _UNISTD_H_ 76 77#include <machine/ansi.h> 78#include <sys/cdefs.h> 79#include <sys/featuretest.h> 80#include <sys/types.h> 81#include <sys/unistd.h> 82 83 84/* 85 * IEEE Std 1003.1-90 86 */ 87#define STDIN_FILENO 0 /* standard input file descriptor */ 88#define STDOUT_FILENO 1 /* standard output file descriptor */ 89#define STDERR_FILENO 2 /* standard error file descriptor */ 90 91#include <null.h> 92 93__BEGIN_DECLS 94__dead void _exit __P((int)) __attribute__((__noreturn__)); 95int access __P((const char *, int)); 96unsigned int alarm __P((unsigned int)); 97int chdir __P((const char *)); 98#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 99int chown __P((const char *, uid_t, gid_t)) __RENAME(__posix_chown); 100#else 101int chown __P((const char *, uid_t, gid_t)); 102#endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */ 103int close __P((int)); 104size_t confstr __P((int, char *, size_t)); 105char *cuserid __P((char *)); /* obsolete */ 106int dup __P((int)); 107int dup2 __P((int, int)); 108int execl __P((const char *, const char *, ...)); 109int execle __P((const char *, const char *, ...)); 110int execlp __P((const char *, const char *, ...)); 111int execv __P((const char *, char * const *)); 112int execve __P((const char *, char * const *, char * const *)); 113int execvp __P((const char *, char * const *)); 114pid_t fork __P((void)); 115long fpathconf __P((int, int)); 116char *getcwd __P((char *, size_t)); 117gid_t getegid __P((void)); 118uid_t geteuid __P((void)); 119gid_t getgid __P((void)); 120int getgroups __P((int, gid_t [])); 121__aconst char *getlogin __P((void)); 122pid_t getpgrp __P((void)); 123pid_t getpid __P((void)); 124pid_t getppid __P((void)); 125uid_t getuid __P((void)); 126int isatty __P((int)); 127int link __P((const char *, const char *)); 128off_t lseek __P((int, off_t, int)); 129long pathconf __P((const char *, int)); 130int pause __P((void)); 131int pipe __P((int *)); 132ssize_t read __P((int, void *, size_t)); 133int rmdir __P((const char *)); 134int setgid __P((gid_t)); 135int setpgid __P((pid_t, pid_t)); 136pid_t setsid __P((void)); 137int setuid __P((uid_t)); 138unsigned int sleep __P((unsigned int)); 139long sysconf __P((int)); 140pid_t tcgetpgrp __P((int)); 141int tcsetpgrp __P((int, pid_t)); 142__aconst char *ttyname __P((int)); 143int unlink __P((const char *)); 144ssize_t write __P((int, const void *, size_t)); 145 146 147/* 148 * IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later 149 */ 150#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 151 (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 4 152int getopt __P((int, char * const [], const char *)); 153 154extern char *optarg; /* getopt(3) external variables */ 155extern int opterr; 156extern int optind; 157extern int optopt; 158#endif 159 160 161/* 162 * IEEE Std 1003.1b-93, 163 * also found in X/Open Portability Guide >= Issue 4 Verion 2 164 */ 165#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 166 (_POSIX_C_SOURCE - 0) >= 199309L || \ 167 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 168 (_XOPEN_SOURCE - 0) >= 500 169int ftruncate __P((int, off_t)); 170#endif 171 172 173/* 174 * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2 175 */ 176#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 177 (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 178int fdatasync __P((int)); 179int fsync __P((int)); 180#endif 181 182 183/* 184 * X/Open Portability Guide, all issues 185 */ 186#if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 187int chroot __P((const char *)); 188int nice __P((int)); 189#endif 190 191 192/* 193 * X/Open Portability Guide <= Issue 3 194 */ 195#if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0) <= 3 196int rename __P((const char *, const char *)) __RENAME(__posix_rename); 197#endif 198 199 200/* 201 * X/Open Portability Guide >= Issue 4 202 */ 203#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 204 (_XOPEN_SOURCE - 0) >= 4 205__aconst char *crypt __P((const char *, const char *)); 206int encrypt __P((char *, int)); 207char *getpass __P((const char *)); 208pid_t getsid __P((pid_t)); 209#endif 210 211 212/* 213 * X/Open Portability Guide >= Issue 4 Version 2 214 */ 215#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 216 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 217 (_XOPEN_SOURCE - 0) >= 500 218#ifdef _BSD_INTPTR_T_ 219typedef _BSD_INTPTR_T_ intptr_t; 220#undef _BSD_INTPTR_T_ 221#endif 222 223#define F_ULOCK 0 224#define F_LOCK 1 225#define F_TLOCK 2 226#define F_TEST 3 227 228int brk __P((void *)); 229int fchdir __P((int)); 230#if defined(_XOPEN_SOURCE) 231int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown); 232#else 233int fchown __P((int, uid_t, gid_t)); 234#endif 235int getdtablesize __P((void)); 236long gethostid __P((void)); 237int gethostname __P((char *, size_t)); 238__pure int 239 getpagesize __P((void)); /* legacy */ 240pid_t getpgid __P((pid_t)); 241#if defined(_XOPEN_SOURCE) 242int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown); 243#else 244int lchown __P((const char *, uid_t, gid_t)); 245#endif 246int lockf __P((int, int, off_t)); 247int readlink __P((const char *, char *, size_t)); 248void *sbrk __P((intptr_t)); 249/* XXX prototype wrong! */ 250int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 251int setregid __P((gid_t, gid_t)); 252int setreuid __P((uid_t, uid_t)); 253void swab __P((const void *, void *, size_t)); 254int symlink __P((const char *, const char *)); 255void sync __P((void)); 256int truncate __P((const char *, off_t)); 257useconds_t ualarm __P((useconds_t, useconds_t)); 258int usleep __P((useconds_t)); 259#ifdef __LIBC12_SOURCE__ 260pid_t vfork __P((void)); 261pid_t __vfork14 __P((void)); 262#else 263pid_t vfork __P((void)) __RENAME(__vfork14); 264#endif 265 266#ifndef __AUDIT__ 267char *getwd __P((char *)); /* obsoleted by getcwd() */ 268#endif 269 270/* FIXME: this should go to <sys/time.h>! */ 271#if __STDC__ 272struct timeval; /* select(2) XXX */ 273#endif 274int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 275#endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */ 276 277 278/* 279 * X/Open CAE Specification Issue 5 Version 2 280 */ 281#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 282 (_XOPEN_SOURCE - 0) >= 500 283ssize_t pread __P((int, void *, size_t, off_t)); 284ssize_t pwrite __P((int, const void *, size_t, off_t)); 285#endif 286 287 288/* 289 * Implementation-defined extensions 290 */ 291#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) 292int acct __P((const char *)); 293int des_cipher __P((const char *, char *, long, int)); 294int des_setkey __P((const char *key)); 295void endusershell __P((void)); 296int exect __P((const char *, char * const *, char * const *)); 297int fchroot __P((int)); 298int getdomainname __P((char *, size_t)); 299int getgrouplist __P((const char *, gid_t, gid_t *, int *)); 300mode_t getmode __P((const void *, mode_t)); 301int getsubopt __P((char **, char * const *, char **)); 302__aconst char *getusershell __P((void)); 303int initgroups __P((const char *, gid_t)); 304int iruserok __P((u_int32_t, int, const char *, const char *)); 305int nfssvc __P((int, void *)); 306int profil __P((char *, size_t, u_long, u_int)); 307void psignal __P((unsigned int, const char *)); 308int rcmd __P((char **, int, const char *, 309 const char *, const char *, int *)); 310int reboot __P((int, char *)); 311int revoke __P((const char *)); 312int rresvport __P((int *)); 313int ruserok __P((const char *, int, const char *, const char *)); 314int setdomainname __P((const char *, size_t)); 315int setegid __P((gid_t)); 316int seteuid __P((uid_t)); 317int setgroups __P((int, const gid_t *)); 318int sethostid __P((long)); 319int sethostname __P((const char *, size_t)); 320int setlogin __P((const char *)); 321void *setmode __P((const char *)); 322int setrgid __P((gid_t)); 323int setruid __P((uid_t)); 324void setusershell __P((void)); 325void strmode __P((mode_t, char *)); 326__aconst char *strsignal __P((int)); 327int swapctl __P((int, const void *, int)); 328int swapon __P((const char *)); /* obsoleted by swapctl() */ 329int syscall __P((int, ...)); 330quad_t __syscall __P((quad_t, ...)); 331int undelete __P((const char *)); 332 333#if 1 /*INET6*/ 334int rresvport_af __P((int *, int)); 335int ruserok_af __P((const char *, int, const char *, const char *, int)); 336int iruserok_af __P((const void *, int, const char *, const char *, int)); 337#endif 338 339extern __const char *__const *sys_siglist __RENAME(__sys_siglist14); 340extern int optreset; /* getopt(3) external variable */ 341extern char *suboptarg; /* getsubopt(3) external variable */ 342#endif 343 344__END_DECLS 345 346#endif /* !_UNISTD_H_ */ 347