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/* $OpenBSD: unistd.h,v 1.35 2001/08/07 21:34:42 millert Exp $ */
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/* $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $ */
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/*-
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)unistd.h 5.13 (Berkeley) 6/17/91
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*/
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#ifndef _UNISTD_H_
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#define _UNISTD_H_
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <sys/unistd.h>
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#define STDIN_FILENO 0 /* standard input file descriptor */
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#define STDOUT_FILENO 1 /* standard output file descriptor */
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#define STDERR_FILENO 2 /* standard error file descriptor */
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#ifndef NULL
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#ifdef __GNUG__
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#define NULL __null
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#else
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#define NULL 0 /* null pointer constant */
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#endif
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#endif
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__BEGIN_DECLS
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__dead void _exit __P((int));
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int access __P((const char *, int));
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unsigned int alarm __P((unsigned int));
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int chdir __P((const char *));
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int chown __P((const char *, uid_t, gid_t));
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int close __P((int));
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size_t confstr __P((int, char *, size_t));
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char *cuserid __P((char *));
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int dup __P((int));
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int dup2 __P((int, int));
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int execl __P((const char *, const char *, ...));
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int execle __P((const char *, const char *, ...));
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int execlp __P((const char *, const char *, ...));
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int execv __P((const char *, char * const *));
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int execve __P((const char *, char * const *, char * const *));
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int execvp __P((const char *, char * const *));
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pid_t fork __P((void));
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long fpathconf __P((int, int));
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char *getcwd __P((char *, size_t));
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gid_t getegid __P((void));
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uid_t geteuid __P((void));
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gid_t getgid __P((void));
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int getgroups __P((int, gid_t *));
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char *getlogin __P((void));
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int getlogin_r __P((char *, size_t));
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pid_t getpgrp __P((void));
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pid_t getpid __P((void));
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pid_t getpgid __P((pid_t));
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pid_t getppid __P((void));
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pid_t getsid __P((pid_t));
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uid_t getuid __P((void));
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int isatty __P((int));
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int link __P((const char *, const char *));
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off_t lseek __P((int, off_t, int));
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long pathconf __P((const char *, int));
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int pause __P((void));
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int pipe __P((int *));
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ssize_t read __P((int, void *, size_t));
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int rmdir __P((const char *));
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int setgid __P((gid_t));
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int setpgid __P((pid_t, pid_t));
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pid_t setsid __P((void));
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int setuid __P((uid_t));
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unsigned int sleep __P((unsigned int));
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long sysconf __P((int));
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pid_t tcgetpgrp __P((int));
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int tcsetpgrp __P((int, pid_t));
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char *ttyname __P((int));
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int ttyname_r __P((int, char *, size_t));
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int unlink __P((const char *));
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ssize_t write __P((int, const void *, size_t));
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#ifndef _POSIX_SOURCE
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/* structure timeval required for select() */
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#include <sys/time.h>
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/*
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* X/Open CAE Specification Issue 5 Version 2
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*/
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#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
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(_XOPEN_VERSION - 0) >= 500
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ssize_t pread __P((int, void *, size_t, off_t));
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ssize_t pwrite __P((int, const void *, size_t, off_t));
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#endif
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int acct __P((const char *));
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char *brk __P((const char *));
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int chroot __P((const char *));
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char *crypt __P((const char *, const char *));
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int des_cipher __P((const char *, char *, long, int));
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int des_setkey __P((const char *key));
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int encrypt __P((char *, int));
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void endusershell __P((void));
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int exect __P((const char *, char * const *, char * const *));
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int fchdir __P((int));
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int fchown __P((int, uid_t, gid_t));
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char *fflagstostr __P((u_int32_t));
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int fsync __P((int));
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int ftruncate __P((int, off_t));
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int getdomainname __P((char *, size_t));
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int getdtablesize __P((void));
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int getgrouplist __P((const char *, gid_t, gid_t *, int *));
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long gethostid __P((void));
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int gethostname __P((char *, size_t));
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mode_t getmode __P((const void *, mode_t));
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int getpagesize __P((void));
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char *getpass __P((const char *));
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char *getusershell __P((void));
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char *getwd __P((char *)); /* obsoleted by getcwd() */
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int initgroups __P((const char *, gid_t));
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int iruserok __P((u_int32_t, int, const char *, const char *));
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int iruserok_sa __P((const void *, int, int, const char *, const char *));
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int lchown __P((const char *, uid_t, gid_t));
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char *mkdtemp __P((char *));
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int mkstemp __P((char *));
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int mkstemps __P((char *, int));
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char *mktemp __P((char *));
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int nfssvc __P((int, void *));
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int nice __P((int));
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void psignal __P((unsigned int, const char *));
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extern __const char *__const sys_siglist[];
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int profil __P((char *, size_t, unsigned long, unsigned int));
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int rcmd __P((char **, int, const char *,
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const char *, const char *, int *));
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int rcmd_af __P((char **, int, const char *,
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const char *, const char *, int *, int));
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int rcmdsh __P((char **, int, const char *,
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const char *, const char *, char *));
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char *re_comp __P((const char *));
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int re_exec __P((const char *));
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int readlink __P((const char *, char *, size_t));
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int reboot __P((int));
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int revoke __P((const char *));
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int rfork __P((int opts));
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int rresvport __P((int *));
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int rresvport_af __P((int *, int));
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int ruserok __P((const char *, int, const char *, const char *));
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int quotactl __P((const char *, int, int, char *));
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char *sbrk __P((int));
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#if !defined(_XOPEN_SOURCE)
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int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
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#endif
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int setdomainname __P((const char *, size_t));
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int setegid __P((gid_t));
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int seteuid __P((uid_t));
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int setgroups __P((int, const gid_t *));
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int sethostid __P((long));
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int sethostname __P((const char *, size_t));
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int setkey __P((const char *));
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int setlogin __P((const char *));
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void *setmode __P((const char *));
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int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */
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int setregid __P((int, int));
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int setreuid __P((int, int));
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int setrgid __P((gid_t));
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int setruid __P((uid_t));
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void setusershell __P((void));
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int strtofflags __P((char **, u_int32_t *, u_int32_t *));
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void swab __P((const void *, void *, size_t));
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int swapon __P((const char *));
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int swapctl __P((int cmd, const void *arg, int misc));
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int symlink __P((const char *, const char *));
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void sync __P((void));
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int syscall __P((int, ...));
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int truncate __P((const char *, off_t));
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int ttyslot __P((void));
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unsigned int ualarm __P((unsigned int, unsigned int));
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int undelete __P((const char *));
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int usleep __P((useconds_t));
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void *valloc __P((size_t)); /* obsoleted by malloc() */
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pid_t vfork __P((void));
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int issetugid __P((void));
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int getopt __P((int, char * const *, const char *));
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extern char *optarg; /* getopt(3) external variables */
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extern int opterr;
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extern int optind;
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extern int optopt;
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extern int optreset;
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int getsubopt __P((char **, char * const *, char **));
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extern char *suboptarg; /* getsubopt(3) external variable */
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#endif /* !_POSIX_SOURCE */
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#if (!defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \
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!defined(_XOPEN_SOURCE)) || \
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(defined(_XOPEN_SOURCE) && _XOPEN_SOURCE_EXTENDED - 0 == 1)
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#define F_ULOCK 0
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#define F_LOCK 1
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#define F_TLOCK 2
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#define F_TEST 3
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int lockf __P((int, int, off_t));
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#endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */
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__END_DECLS
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#endif /* !_UNISTD_H_ */
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