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/* $OpenBSD: unistd.h,v 1.62 2008/06/25 14:58:54 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. 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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#if __XPG_VISIBLE || __POSIX_VISIBLE >= 200112
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#define F_ULOCK 0 /* unlock locked section */
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#define F_LOCK 1 /* lock a section for exclusive use */
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#define F_TLOCK 2 /* test and lock a section for exclusive use */
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#define F_TEST 3 /* test a section for locks by other procs */
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#endif
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#if __POSIX_VISIBLE
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#define _POSIX_REENTRANT_FUNCTIONS 1
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#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L
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#endif
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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 0L
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#endif
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#endif
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__BEGIN_DECLS
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__dead void _exit(int);
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int access(const char *, int);
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unsigned int alarm(unsigned int);
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int chdir(const char *);
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int chown(const char *, uid_t, gid_t);
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int close(int);
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int dup(int);
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int dup2(int, int);
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int execl(const char *, const char *, ...)
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__attribute__((sentinel));
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int execle(const char *, const char *, ...);
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int execlp(const char *, const char *, ...)
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__attribute__((sentinel));
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int execv(const char *, char * const *);
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int execve(const char *, char * const *, char * const *);
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int execvp(const char *, char * const *);
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pid_t fork(void);
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long fpathconf(int, int);
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char *getcwd(char *, size_t)
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__attribute__((__bounded__(__string__,1,2)))
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__attribute__((__bounded__(__minbytes__,1,1024)));
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gid_t getegid(void);
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uid_t geteuid(void);
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gid_t getgid(void);
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int getgroups(int, gid_t *);
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char *getlogin(void);
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pid_t getpgrp(void);
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pid_t getpid(void);
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pid_t getppid(void);
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uid_t getuid(void);
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int isatty(int);
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int link(const char *, const char *);
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off_t lseek(int, off_t, int);
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long pathconf(const char *, int);
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int pause(void);
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int pipe(int *);
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ssize_t read(int, void *, size_t)
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__attribute__((__bounded__(__buffer__,2,3)));
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int rmdir(const char *);
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int setgid(gid_t);
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int setuid(uid_t);
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unsigned int sleep(unsigned int);
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long sysconf(int);
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pid_t tcgetpgrp(int);
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int tcsetpgrp(int, pid_t);
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char *ttyname(int);
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int unlink(const char *);
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ssize_t write(int, const void *, size_t)
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__attribute__((__bounded__(__buffer__,2,3)));
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#if __POSIX_VISIBLE || __XPG_VISIBLE >= 300
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pid_t setsid(void);
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int setpgid(pid_t, pid_t);
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#endif
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#if __POSIX_VISIBLE >= 199209 || __XPG_VISIBLE
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size_t confstr(int, char *, size_t)
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__attribute__((__bounded__(__string__,2,3)));
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#ifndef _GETOPT_DEFINED_
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#define _GETOPT_DEFINED_
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int getopt(int, char * const *, const char *);
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extern char *optarg; /* getopt(3) external variables */
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extern int opterr, optind, optopt, optreset;
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/* XXX - getsubopt does not belong here */
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int getsubopt(char **, char * const *, char **);
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extern char *suboptarg; /* getsubopt(3) external variable */
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#endif /* _GETOPT_DEFINED_ */
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#endif
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#if __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE
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int fsync(int);
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int ftruncate(int, off_t);
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int getlogin_r(char *, size_t)
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__attribute__((__bounded__(__string__,1,2)))
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__attribute__((__bounded__(__minbytes__,1,32)));
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#endif
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#if __XPG_VISIBLE || __BSD_VISIBLE
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char *crypt(const char *, const char *);
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int encrypt(char *, int);
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int fchdir(int);
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int fchown(int, uid_t, gid_t);
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long gethostid(void);
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char *getwd(char *)
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__attribute__ ((__bounded__(__minbytes__,1,1024)));
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int lchown(const char *, uid_t, gid_t);
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int mkstemp(char *);
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char *mktemp(char *);
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int nice(int);
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int readlink(const char *, char *, size_t)
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__attribute__ ((__bounded__(__string__,2,3)));
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int setkey(const char *);
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int setpgrp(pid_t pid, pid_t pgrp); /* obsoleted by setpgid() */
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int setregid(gid_t, gid_t);
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int setreuid(uid_t, uid_t);
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void swab(const void *, void *, size_t);
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void sync(void);
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int truncate(const char *, off_t);
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unsigned int ualarm(unsigned int, unsigned int);
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int usleep(useconds_t);
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pid_t vfork(void);
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#endif
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#if __XPG_VISIBLE >= 420
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pid_t getpgid(pid_t);
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pid_t getsid(pid_t);
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#endif
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#if __XPG_VISIBLE >= 500
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ssize_t pread(int, void *, size_t, off_t);
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ssize_t pwrite(int, const void *, size_t, off_t);
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int ttyname_r(int, char *, size_t)
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__attribute__((__bounded__(__string__,2,3)));
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#endif
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#if __BSD_VISIBLE || __XPG_VISIBLE <= 500
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/* Interfaces withdrawn by X/Open Issue 5 Version 0 */
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int brk(void *);
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int chroot(const char *);
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int getdtablesize(void);
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int getpagesize(void);
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char *getpass(const char *);
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void *sbrk(int);
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#endif
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#if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420
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int lockf(int, int, off_t);
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#endif
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#if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 || __BSD_VISIBLE
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int symlink(const char *, const char *);
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int gethostname(char *, size_t)
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__attribute__ ((__bounded__(__string__,1,2)));
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int setegid(gid_t);
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int seteuid(uid_t);
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#endif
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#if __BSD_VISIBLE
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int acct(const char *);
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int closefrom(int);
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int des_cipher(const char *, char *, int32_t, int);
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int des_setkey(const char *);
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void endusershell(void);
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int exect(const char *, char * const *, char * const *);
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char *fflagstostr(u_int32_t);
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int getdomainname(char *, size_t)
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__attribute__ ((__bounded__(__string__,1,2)));
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int getgrouplist(const char *, gid_t, gid_t *, int *);
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mode_t getmode(const void *, mode_t);
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int getresgid(gid_t *, gid_t *, gid_t *);
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int getresuid(uid_t *, uid_t *, uid_t *);
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char *getusershell(void);
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int initgroups(const char *, gid_t);
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int iruserok(u_int32_t, int, const char *, const char *);
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int iruserok_sa(const void *, int, int, const char *, const char *);
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int issetugid(void);
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char *mkdtemp(char *);
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int mkstemps(char *, int);
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int nfssvc(int, void *);
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int profil(char *, size_t, unsigned long, unsigned int)
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__attribute__ ((__bounded__(__string__,1,2)));
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int quotactl(const char *, int, int, char *);
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int rcmd(char **, int, const char *,
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const char *, const char *, int *);
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int rcmd_af(char **, int, const char *,
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const char *, const char *, int *, int);
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int rcmdsh(char **, int, const char *,
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const char *, const char *, char *);
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char *re_comp(const char *);
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int re_exec(const char *);
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int reboot(int);
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int revoke(const char *);
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int rfork(int opts);
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int rresvport(int *);
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int rresvport_af(int *, int);
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int ruserok(const char *, int, const char *, const char *);
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#ifndef _SELECT_DEFINED_
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#define _SELECT_DECLARED
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struct timeval;
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int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
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#endif
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int setdomainname(const char *, size_t);
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int setgroups(int, const gid_t *);
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int sethostid(long);
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int sethostname(const char *, size_t);
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int setlogin(const char *);
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void *setmode(const char *);
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int setresgid(gid_t, gid_t, gid_t);
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int setresuid(uid_t, uid_t, uid_t);
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int setrgid(gid_t);
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int setruid(uid_t);
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void setusershell(void);
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int strtofflags(char **, u_int32_t *, u_int32_t *);
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int swapctl(int cmd, const void *arg, int misc);
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int syscall(int, ...);
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#endif /* __BSD_VISIBLE */
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__END_DECLS
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#endif /* !_UNISTD_H_ */
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