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unistd.h revision 1.49
      1 /*	$NetBSD: unistd.h,v 1.49 1998/02/02 21:08:14 perry Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1991, 1993, 1994
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *	@(#)unistd.h	8.12 (Berkeley) 4/27/95
     36  */
     37 
     38 #ifndef _UNISTD_H_
     39 #define	_UNISTD_H_
     40 
     41 #include <sys/cdefs.h>
     42 #include <sys/types.h>
     43 #include <sys/unistd.h>
     44 
     45 #define	STDIN_FILENO	0	/* standard input file descriptor */
     46 #define	STDOUT_FILENO	1	/* standard output file descriptor */
     47 #define	STDERR_FILENO	2	/* standard error file descriptor */
     48 
     49 #ifndef NULL
     50 #define	NULL		0	/* null pointer constant */
     51 #endif
     52 
     53 __BEGIN_DECLS
     54 __dead void	 _exit __P((int)) __attribute__((noreturn));
     55 int	 access __P((const char *, int));
     56 unsigned int	 alarm __P((unsigned int));
     57 int	 chdir __P((const char *));
     58 int	 chown __P((const char *, uid_t, gid_t));
     59 int	 close __P((int));
     60 size_t	 confstr __P((int, char *, size_t));
     61 char	*cuserid __P((char *));
     62 int	 dup __P((int));
     63 int	 dup2 __P((int, int));
     64 int	 execl __P((const char *, const char *, ...));
     65 int	 execle __P((const char *, const char *, ...));
     66 int	 execlp __P((const char *, const char *, ...));
     67 int	 execv __P((const char *, char * const *));
     68 int	 execve __P((const char *, char * const *, char * const *));
     69 int	 execvp __P((const char *, char * const *));
     70 pid_t	 fork __P((void));
     71 long	 fpathconf __P((int, int));
     72 char	*getcwd __P((char *, size_t));
     73 gid_t	 getegid __P((void));
     74 uid_t	 geteuid __P((void));
     75 gid_t	 getgid __P((void));
     76 int	 getgrouplist __P((const char *, gid_t, gid_t *, int *));
     77 int	 getgroups __P((int, gid_t []));
     78 char	*getlogin __P((void));
     79 pid_t	 getpgrp __P((void));
     80 pid_t	 getpid __P((void));
     81 pid_t	 getppid __P((void));
     82 uid_t	 getuid __P((void));
     83 int	 isatty __P((int));
     84 int	 link __P((const char *, const char *));
     85 off_t	 lseek __P((int, off_t, int));
     86 long	 pathconf __P((const char *, int));
     87 int	 pause __P((void));
     88 int	 pipe __P((int *));
     89 ssize_t	 read __P((int, void *, size_t));
     90 int	 rmdir __P((const char *));
     91 int	 setgid __P((gid_t));
     92 int	 setpgid __P((pid_t, pid_t));
     93 pid_t	 setsid __P((void));
     94 int	 setuid __P((uid_t));
     95 unsigned int	 sleep __P((unsigned int));
     96 long	 sysconf __P((int));
     97 pid_t	 tcgetpgrp __P((int));
     98 int	 tcsetpgrp __P((int, pid_t));
     99 char	*ttyname __P((int));
    100 int	 unlink __P((const char *));
    101 ssize_t	 write __P((int, const void *, size_t));
    102 
    103 #ifndef	_POSIX_SOURCE
    104 #ifdef	__STDC__
    105 struct timeval;				/* select(2) */
    106 #endif
    107 int	 acct __P((const char *));
    108 char	*brk __P((const char *));
    109 int	 chroot __P((const char *));
    110 char	*crypt __P((const char *, const char *));
    111 int	 des_cipher __P((const char *, char *, long, int));
    112 int	 des_setkey __P((const char *key));
    113 int	 encrypt __P((char *, int));
    114 void	 endusershell __P((void));
    115 int	 exect __P((const char *, char * const *, char * const *));
    116 int	 fchdir __P((int));
    117 int	 fchown __P((int, uid_t, gid_t));
    118 int	 fsync __P((int));
    119 int	 ftruncate __P((int, off_t));
    120 int	 getdomainname __P((char *, int));
    121 int	 getdtablesize __P((void));
    122 long	 gethostid __P((void));
    123 int	 gethostname __P((char *, int));
    124 mode_t	 getmode __P((const void *, mode_t));
    125 __pure int
    126 	 getpagesize __P((void));
    127 char	*getpass __P((const char *));
    128 char	*getusershell __P((void));
    129 char	*getwd __P((char *));			/* obsoleted by getcwd() */
    130 int	 initgroups __P((const char *, gid_t));
    131 int	 iruserok __P((u_int32_t, int, const char *, const char *));
    132 int	 lchown __P((const char *, uid_t, gid_t));
    133 int	 mknod __P((const char *, mode_t, dev_t));
    134 int	 mkstemp __P((char *));
    135 char	*mktemp __P((char *));
    136 int	 nfssvc __P((int, void *));
    137 int	 nice __P((int));
    138 void	 psignal __P((unsigned int, const char *));
    139 extern __const char *__const sys_siglist[];
    140 int	 profil __P((char *, size_t, u_long, u_int));
    141 int	 rcmd __P((char **, int, const char *,
    142 		const char *, const char *, int *));
    143 char	*re_comp __P((const char *));
    144 int	 re_exec __P((const char *));
    145 int	 readlink __P((const char *, char *, int));
    146 int	 reboot __P((int, char *));
    147 int	 revoke __P((const char *));
    148 int	 rresvport __P((int *));
    149 int	 ruserok __P((const char *, int, const char *, const char *));
    150 char	*sbrk __P((int));
    151 int	 select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
    152 int	 setdomainname __P((const char *, int));
    153 int	 setegid __P((gid_t));
    154 int	 seteuid __P((uid_t));
    155 int	 setgroups __P((int, const gid_t *));
    156 int	 sethostid __P((long));
    157 int	 sethostname __P((const char *, int));
    158 int	 setkey __P((const char *));
    159 int	 setlogin __P((const char *));
    160 void	*setmode __P((const char *));
    161 int	 setpgrp __P((pid_t pid, pid_t pgrp));	/* obsoleted by setpgid() */
    162 int	 setregid __P((gid_t, gid_t));
    163 int	 setreuid __P((uid_t, uid_t));
    164 int	 setrgid __P((gid_t));
    165 int	 setruid __P((uid_t));
    166 void	 setusershell __P((void));
    167 void	 strmode __P((mode_t, char *));
    168 char	*strsignal __P((int));
    169 void	 swab __P((const void *, void *, size_t));
    170 int	 swapctl __P((int, const void *, int));
    171 int	 swapon __P((const char *));		/* obsoleted by swapctl() */
    172 int	 symlink __P((const char *, const char *));
    173 void	 sync __P((void));
    174 int	 syscall __P((int, ...));
    175 quad_t	 __syscall __P((quad_t, ...));
    176 int	 truncate __P((const char *, off_t));
    177 int	 ttyslot __P((void));
    178 useconds_t ualarm __P((useconds_t, useconds_t));
    179 int	 undelete __P((const char *));
    180 int	 usleep __P((useconds_t));
    181 int	 unwhiteout __P((const char *));
    182 void	*valloc __P((size_t));			/* obsoleted by malloc() */
    183 #ifdef __LIBC12_SOURCE__
    184 pid_t	 vfork __P((void));
    185 pid_t	 __vfork14 __P((void));
    186 #else
    187 pid_t	 vfork __P((void))			__RENAME(__vfork14);
    188 #endif
    189 
    190 int	 getopt __P((int, char * const *, const char *));
    191 extern	 char *optarg;			/* getopt(3) external variables */
    192 extern	 int opterr;
    193 extern	 int optind;
    194 extern	 int optopt;
    195 extern	 int optreset;
    196 int	 getsubopt __P((char **, char * const *, char **));
    197 extern	 char *suboptarg;		/* getsubopt(3) external variable */
    198 #endif /* !_POSIX_SOURCE */
    199 
    200 #if (!defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \
    201      !defined(_XOPEN_SOURCE)) || \
    202     (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE_EXTENDED - 0 == 1)
    203 #define F_ULOCK         0
    204 #define F_LOCK          1
    205 #define F_TLOCK         2
    206 #define F_TEST          3
    207 int     lockf __P((int, int, off_t));
    208 #endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */
    209 __END_DECLS
    210 
    211 #endif /* !_UNISTD_H_ */
    212