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NetBSD/include/unistd.h
kleink 087b539e0f Change the declaration of the argv argument to getopt(3) from "char * const *" 
(as originally declared in System V) to "char * const []", as was done in
1003.2 and subsequently propagated into XPG4.
From Andrew Cagney in PR lib/8930.
1999-12-02 13:15:55 +00:00

349 lines
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/* $NetBSD: unistd.h,v 1.78 1999/12/02 13:15:55 kleink Exp $ */
/*-
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus Klein.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)unistd.h 8.12 (Berkeley) 4/27/95
*/
#ifndef _UNISTD_H_
#define _UNISTD_H_
#include <machine/ansi.h>
#include <sys/cdefs.h>
#include <sys/featuretest.h>
#include <sys/types.h>
#include <sys/unistd.h>
/*
* IEEE Std 1003.1-90
*/
#define STDIN_FILENO 0 /* standard input file descriptor */
#define STDOUT_FILENO 1 /* standard output file descriptor */
#define STDERR_FILENO 2 /* standard error file descriptor */
#ifndef NULL
#define NULL 0 /* null pointer constant */
#endif
__BEGIN_DECLS
__dead void _exit __P((int)) __attribute__((__noreturn__));
int access __P((const char *, int));
unsigned int alarm __P((unsigned int));
int chdir __P((const char *));
#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
int chown __P((const char *, uid_t, gid_t)) __RENAME(__posix_chown);
#else
int chown __P((const char *, uid_t, gid_t));
#endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */
int close __P((int));
size_t confstr __P((int, char *, size_t));
char *cuserid __P((char *)); /* obsolete */
int dup __P((int));
int dup2 __P((int, int));
int execl __P((const char *, const char *, ...));
int execle __P((const char *, const char *, ...));
int execlp __P((const char *, const char *, ...));
int execv __P((const char *, char * const *));
int execve __P((const char *, char * const *, char * const *));
int execvp __P((const char *, char * const *));
pid_t fork __P((void));
long fpathconf __P((int, int));
char *getcwd __P((char *, size_t));
gid_t getegid __P((void));
uid_t geteuid __P((void));
gid_t getgid __P((void));
int getgroups __P((int, gid_t []));
__aconst char *getlogin __P((void));
pid_t getpgrp __P((void));
pid_t getpid __P((void));
pid_t getppid __P((void));
uid_t getuid __P((void));
int isatty __P((int));
int link __P((const char *, const char *));
off_t lseek __P((int, off_t, int));
long pathconf __P((const char *, int));
int pause __P((void));
int pipe __P((int *));
ssize_t read __P((int, void *, size_t));
int rmdir __P((const char *));
int setgid __P((gid_t));
int setpgid __P((pid_t, pid_t));
pid_t setsid __P((void));
int setuid __P((uid_t));
unsigned int sleep __P((unsigned int));
long sysconf __P((int));
pid_t tcgetpgrp __P((int));
int tcsetpgrp __P((int, pid_t));
__aconst char *ttyname __P((int));
int unlink __P((const char *));
ssize_t write __P((int, const void *, size_t));
/*
* IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later
*/
#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
(_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 4
int getopt __P((int, char * const [], const char *));
extern char *optarg; /* getopt(3) external variables */
extern int opterr;
extern int optind;
extern int optopt;
#endif
/*
* IEEE Std 1003.1b-93,
* also found in X/Open Portability Guide >= Issue 4 Verion 2
*/
#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
(_POSIX_C_SOURCE - 0) >= 199309L || \
(defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
(_XOPEN_SOURCE - 0) >= 500
int ftruncate __P((int, off_t));
#endif
/*
* IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2
*/
#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
(_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500
int fdatasync __P((int));
int fsync __P((int));
#endif
/*
* X/Open Portability Guide, all issues
*/
#if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
int chroot __P((const char *));
int nice __P((int));
#endif
/*
* X/Open Portability Guide <= Issue 3
*/
#if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0) <= 3
int rename __P((const char *, const char *)) __RENAME(__posix_rename);
#endif
/*
* X/Open Portability Guide >= Issue 4
*/
#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
(_XOPEN_SOURCE - 0) >= 4
__aconst char *crypt __P((const char *, const char *));
int encrypt __P((char *, int));
char *getpass __P((const char *));
pid_t getsid __P((pid_t));
#endif
/*
* X/Open Portability Guide >= Issue 4 Version 2
*/
#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
(defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
(_XOPEN_SOURCE - 0) >= 500
#ifdef _BSD_INTPTR_T_
typedef _BSD_INTPTR_T_ intptr_t;
#undef _BSD_INTPTR_T_
#endif
#define F_ULOCK 0
#define F_LOCK 1
#define F_TLOCK 2
#define F_TEST 3
int brk __P((void *));
int fchdir __P((int));
#if defined(_XOPEN_SOURCE)
int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown);
#else
int fchown __P((int, uid_t, gid_t));
#endif
int getdtablesize __P((void));
long gethostid __P((void));
int gethostname __P((char *, size_t));
__pure int
getpagesize __P((void)); /* legacy */
pid_t getpgid __P((pid_t));
#if defined(_XOPEN_SOURCE)
int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown);
#else
int lchown __P((const char *, uid_t, gid_t));
#endif
int lockf __P((int, int, off_t));
int readlink __P((const char *, char *, size_t));
void *sbrk __P((intptr_t));
/* XXX prototype wrong! */
int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */
int setregid __P((gid_t, gid_t));
int setreuid __P((uid_t, uid_t));
void swab __P((const void *, void *, size_t));
int symlink __P((const char *, const char *));
void sync __P((void));
int truncate __P((const char *, off_t));
useconds_t ualarm __P((useconds_t, useconds_t));
int usleep __P((useconds_t));
#ifdef __LIBC12_SOURCE__
pid_t vfork __P((void));
pid_t __vfork14 __P((void));
#else
pid_t vfork __P((void)) __RENAME(__vfork14);
#endif
#ifndef __AUDIT__
char *getwd __P((char *)); /* obsoleted by getcwd() */
#endif
/* FIXME: this should go to <sys/time.h>! */
#if __STDC__
struct timeval; /* select(2) XXX */
#endif
int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
#endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */
/*
* X/Open CAE Specification Issue 5 Version 2
*/
#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
(_XOPEN_SOURCE - 0) >= 500
ssize_t pread __P((int, void *, size_t, off_t));
ssize_t pwrite __P((int, const void *, size_t, off_t));
#endif
/*
* Implementation-defined extensions
*/
#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
int acct __P((const char *));
int des_cipher __P((const char *, char *, long, int));
int des_setkey __P((const char *key));
void endusershell __P((void));
int exect __P((const char *, char * const *, char * const *));
int fchroot __P((int));
int getdomainname __P((char *, size_t));
int getgrouplist __P((const char *, gid_t, gid_t *, int *));
mode_t getmode __P((const void *, mode_t));
int getsubopt __P((char **, char * const *, char **));
__aconst char *getusershell __P((void));
int initgroups __P((const char *, gid_t));
int iruserok __P((u_int32_t, int, const char *, const char *));
int nfssvc __P((int, void *));
int profil __P((char *, size_t, u_long, u_int));
void psignal __P((unsigned int, const char *));
int rcmd __P((char **, int, const char *,
const char *, const char *, int *));
int reboot __P((int, char *));
int revoke __P((const char *));
int rresvport __P((int *));
int ruserok __P((const char *, int, const char *, const char *));
int setdomainname __P((const char *, size_t));
int setegid __P((gid_t));
int seteuid __P((uid_t));
int setgroups __P((int, const gid_t *));
int sethostid __P((long));
int sethostname __P((const char *, size_t));
int setlogin __P((const char *));
void *setmode __P((const char *));
int setrgid __P((gid_t));
int setruid __P((uid_t));
void setusershell __P((void));
void strmode __P((mode_t, char *));
__aconst char *strsignal __P((int));
int swapctl __P((int, const void *, int));
int swapon __P((const char *)); /* obsoleted by swapctl() */
int syscall __P((int, ...));
quad_t __syscall __P((quad_t, ...));
int undelete __P((const char *));
#if 1 /*INET6*/
int rresvport_af __P((int *, int));
int ruserok_af __P((const char *, int, const char *, const char *, int));
int iruserok_af __P((const void *, int, const char *, const char *, int));
#endif
extern __const char *__const *sys_siglist __RENAME(__sys_siglist14);
extern int optreset; /* getopt(3) external variable */
extern char *suboptarg; /* getsubopt(3) external variable */
#endif
__END_DECLS
#endif /* !_UNISTD_H_ */
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