[apple/libc.git] / include / unistd.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*-
 * Copyright (c) 1998-1999 Apple Computer, Inc. All Rights Reserved
 * 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
 *
 *  Copyright (c)  1998 Apple Compter, Inc.
 *  All Rights Reserved
 */

/* History:
        7/14/99 EKN at Apple fixed getdirentriesattr from getdirentryattr
        3/26/98 CHW at Apple added real interface to searchfs call
  	3/5/98  CHW at Apple added hfs semantic system calls headers
*/

#ifndef _UNISTD_H_
#define	_UNISTD_H_

#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/unistd.h>

#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

#define _POSIX_THREADS		/* We support pthreads */

#ifndef _POSIX_SOURCE
#define F_ULOCK         0      /* unlock locked section */
#define F_LOCK          1      /* lock a section for exclusive use */
#define F_TLOCK         2      /* test and lock a section for exclusive use */
#define F_TEST          3      /* test a section for locks by other procs */
#endif

/* configurable system variables */
#define	_SC_ARG_MAX		 1
#define	_SC_CHILD_MAX		 2
#define	_SC_CLK_TCK		 3
#define	_SC_NGROUPS_MAX		 4
#define	_SC_OPEN_MAX		 5
#define	_SC_JOB_CONTROL		 6
#define	_SC_SAVED_IDS		 7
#define	_SC_VERSION		 8
#define	_SC_BC_BASE_MAX		 9
#define	_SC_BC_DIM_MAX		10
#define	_SC_BC_SCALE_MAX	11
#define	_SC_BC_STRING_MAX	12
#define	_SC_COLL_WEIGHTS_MAX	13
#define	_SC_EXPR_NEST_MAX	14
#define	_SC_LINE_MAX		15
#define	_SC_RE_DUP_MAX		16
#define	_SC_2_VERSION		17
#define	_SC_2_C_BIND		18
#define	_SC_2_C_DEV		19
#define	_SC_2_CHAR_TERM		20
#define	_SC_2_FORT_DEV		21
#define	_SC_2_FORT_RUN		22
#define	_SC_2_LOCALEDEF		23
#define	_SC_2_SW_DEV		24
#define	_SC_2_UPE		25
#define	_SC_STREAM_MAX		26
#define	_SC_TZNAME_MAX		27
/* POSIX.1B sysconf options for async IO*/
#define _SC_ASYNCHRONOUS_IO	28
#define _SC_PAGESIZE		29
#define _SC_AIO_LISTIO_MAX	42
#define _SC_AIO_MAX		43
#define _SC_AIO_PRIO_DELTA_MAX	44

__BEGIN_DECLS

void	 _Exit(int) __dead2;
void	 _exit(int) __dead2;
int	 access(const char *, int);
unsigned int alarm(unsigned int);
int	 chdir(const char *);
int	 chown(const char *, uid_t, gid_t);
int	 close(int);
size_t	 confstr(int, char *, size_t);
int	 dup(int);
int	 dup2(int, int);
int	 execl(const char *, const char *, ...);
int	 execle(const char *, const char *, ...);
int	 execlp(const char *, const char *, ...);
int	 execv(const char *, char * const *);
int	 execve(const char *, char * const *, char * const *);
int	 execvp(const char *, char * const *);
pid_t	 fork(void);
long	 fpathconf(int, int);
char	*getcwd(char *, size_t);
int	 getdomainname(char *, int);
gid_t	 getegid(void);
uid_t	 geteuid(void);
gid_t	 getgid(void);
int	 getgroups(int, gid_t []);
char	*getlogin(void);
int	 getlogin_r(char *, int);
pid_t	 getpgrp(void);
pid_t	 getpid(void);
pid_t	 getppid(void);
uid_t	 getuid(void);
int	 isatty(int);
int	 link(const char *, const char *);
off_t	 lseek(int, off_t, int);
long	 pathconf(const char *, int);
int	 pause(void);
int	 pipe(int *);
ssize_t	 read(int, void *, size_t);
int	 rmdir(const char *);
int	 setdomainname(const char *, int);
int	 setgid(gid_t);
int	 setpgid(pid_t, pid_t);
pid_t	 setsid(void);
int	 setuid(uid_t);
unsigned int	 sleep(unsigned int);
long	 sysconf(int);
pid_t	 tcgetpgrp(int);
int	 tcsetpgrp(int, pid_t);
char	*ttyname(int);
char	*ttyname_r(int, char *, size_t);
int	 unlink(const char *);
ssize_t	 write(int, const void *, size_t);

extern char *optarg;			/* getopt(3) external variables */
extern int optind, opterr, optopt, optreset;
int	 getopt(int, char * const [], const char *);

#ifndef	_POSIX_SOURCE
#ifdef	__STDC__
struct timespec;			/* pselect(3) */
struct timeval;				/* select(2) */
#endif
int	 acct(const char *);
int	 async_daemon(void);
char	*brk(const char *);
int	 chroot(const char *);
char	*crypt(const char *, const char *);
int	 des_cipher(const char *, char *, long, int);
int	 des_setkey(const char *key);
int	 encrypt(char *, int);
void	 endusershell(void);
int	 fchdir(int);
int	 fchown(int, int, int);
char	*fflagstostr(u_long);
int	 fsync(int);
int	 ftruncate(int, off_t);
int	 getdtablesize(void);
int	 getgrouplist(const char *, int, int *, int *);
long	 gethostid(void);
int	 gethostname(char *, int);
mode_t	 getmode(const void *, mode_t);
int	 getpagesize(void) __pure2;
char	*getpass(const char *);
int	 getpgid(pid_t _pid);
int	 getsid(pid_t _pid);
char	*getusershell(void);
char	*getwd(char *);			/* obsoleted by getcwd() */
int	 lockf(int, int, off_t);
int	 initgroups(const char *, int);
int	 iruserok(unsigned long, int, const char *, const char *);
int	 issetugid(void);
char	*mkdtemp(char *);
int	 mknod(const char *, mode_t, dev_t);
int	 mkstemp(char *);
int	 mkstemps(char *, int);
char	*mktemp(char *);
int	 nfssvc(int, void *);
int	 nice(int);
ssize_t	 pread(int, void *, size_t, off_t);
#if 0
void	 psignal(unsigned int, const char *);
extern __const char *__const sys_siglist[];
#else
#include <signal.h>
#endif
int	 profil(char *, int, int, int);
#ifndef __MWERKS__
int	 pselect(int, fd_set *, fd_set *, fd_set *,
	    const struct timespec *, const sigset_t *);
#endif /* ! __MWERKS__ */
ssize_t	 pwrite(int, const void *, size_t, off_t);
int	 rcmd(char **, int, const char *, const char *, const char *, int *);
int	 readlink(const char *, char *, int);
int	 reboot(int);
int	 revoke(const char *);
int	 rresvport(int *);
int	 rresvport_af(int *, int);
int	 ruserok(const char *, int, const char *, const char *);
char	*sbrk(int);
int	 select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
int	 setegid(gid_t);
int	 seteuid(uid_t);
int	 setgroups(int, const gid_t *);
void	 sethostid(long);
int	 sethostname(const char *, int);
int	 setkey(const char *);
int	 setlogin(const char *);
void	*setmode(const char *);
int	 setpgrp(pid_t pid, pid_t pgrp);	/* obsoleted by setpgid() */
int	 setregid(gid_t, gid_t);
int	 setreuid(uid_t, uid_t);
int	 setrgid(gid_t);
int	 setruid(uid_t);
void	 setusershell(void);
int	 strtofflags(char **, u_long *, u_long *);
int	 swapon(const char *);
int	 symlink(const char *, const char *);
void	 sync(void);
int	 syscall(int, ...);
int	 truncate(const char *, off_t);
int	 ttyslot(void);
unsigned int	 ualarm(unsigned int, unsigned int);
int	 undelete(const char *);
int	 unwhiteout(const char *);
int	 usleep(unsigned int);
void	*valloc(size_t);			
pid_t	 vfork(void);

extern char *suboptarg;			/* getsubopt(3) external variable */
int	 getsubopt(char **, char * const *, char **);

/*  HFS & HFS Plus semantics system calls go here */
int	getattrlist(const char*,void*,void*,size_t,unsigned long);
int	setattrlist(const char*,void*,void*,size_t,unsigned long);
int exchangedata(const char*,const char*,unsigned long);
int	checkuseraccess(const char*,uid_t,gid_t*,int,int,unsigned long);
int	getdirentriesattr(int,void*,void*,size_t,unsigned long*,unsigned long*,unsigned long*,unsigned long);
int	searchfs(const char*,void*,void*,unsigned long,unsigned long,void*);

int fsctl(const char *,unsigned long,void*,unsigned long);		


#endif /* !_POSIX_SOURCE */
__END_DECLS

#endif /* !_UNISTD_H_ */
Commit	Line	Data
5b2abdfb A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
734aad71 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
	12	*
	13	* The Original Code and all software distributed under the License are
	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
5b2abdfb A	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
5b2abdfb A	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
734aad71 A	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
5b2abdfb A	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23	/*-
	24	* Copyright (c) 1998-1999 Apple Computer, Inc. All Rights Reserved
	25	* Copyright (c) 1991, 1993, 1994
	26	* The Regents of the University of California. All rights reserved.
	27	*
	28	* Redistribution and use in source and binary forms, with or without
	29	* modification, are permitted provided that the following conditions
	30	* are met:
	31	* 1. Redistributions of source code must retain the above copyright
	32	* notice, this list of conditions and the following disclaimer.
	33	* 2. Redistributions in binary form must reproduce the above copyright
	34	* notice, this list of conditions and the following disclaimer in the
	35	* documentation and/or other materials provided with the distribution.
	36	* 3. All advertising materials mentioning features or use of this software
	37	* must display the following acknowledgement:
	38	* This product includes software developed by the University of
	39	* California, Berkeley and its contributors.
	40	* 4. Neither the name of the University nor the names of its contributors
	41	* may be used to endorse or promote products derived from this software
	42	* without specific prior written permission.
	43	*
	44	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	45	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	46	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	47	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	48	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	49	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	50	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	51	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	52	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	53	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	54	* SUCH DAMAGE.
	55	*
	56	* @(#)unistd.h 8.12 (Berkeley) 4/27/95
	57	*
	58	* Copyright (c) 1998 Apple Compter, Inc.
	59	* All Rights Reserved
	60	*/
	61
	62	/* History:
	63	7/14/99 EKN at Apple fixed getdirentriesattr from getdirentryattr
	64	3/26/98 CHW at Apple added real interface to searchfs call
	65	3/5/98 CHW at Apple added hfs semantic system calls headers
	66	*/
	67
	68	#ifndef _UNISTD_H_
	69	#define _UNISTD_H_
	70
	71	#include <sys/cdefs.h>
	72	#include <sys/types.h>
	73	#include <sys/unistd.h>
	74
	75	#define STDIN_FILENO 0 /* standard input file descriptor */
	76	#define STDOUT_FILENO 1 /* standard output file descriptor */
	77	#define STDERR_FILENO 2 /* standard error file descriptor */
	78
	79	#ifndef NULL
	80	#define NULL 0 /* null pointer constant */
	81	#endif
	82
	83	#define _POSIX_THREADS /* We support pthreads */
84
85	#ifndef _POSIX_SOURCE
86	#define F_ULOCK 0 /* unlock locked section */
87	#define F_LOCK 1 /* lock a section for exclusive use */
88	#define F_TLOCK 2 /* test and lock a section for exclusive use */
89	#define F_TEST 3 /* test a section for locks by other procs */
90	#endif
91
9385eb3d A	92	/* configurable system variables */
	93	#define _SC_ARG_MAX 1
	94	#define _SC_CHILD_MAX 2
	95	#define _SC_CLK_TCK 3
	96	#define _SC_NGROUPS_MAX 4
	97	#define _SC_OPEN_MAX 5
	98	#define _SC_JOB_CONTROL 6
	99	#define _SC_SAVED_IDS 7
	100	#define _SC_VERSION 8
	101	#define _SC_BC_BASE_MAX 9
	102	#define _SC_BC_DIM_MAX 10
	103	#define _SC_BC_SCALE_MAX 11
	104	#define _SC_BC_STRING_MAX 12
	105	#define _SC_COLL_WEIGHTS_MAX 13
	106	#define _SC_EXPR_NEST_MAX 14
	107	#define _SC_LINE_MAX 15
	108	#define _SC_RE_DUP_MAX 16
	109	#define _SC_2_VERSION 17
	110	#define _SC_2_C_BIND 18
	111	#define _SC_2_C_DEV 19
	112	#define _SC_2_CHAR_TERM 20
	113	#define _SC_2_FORT_DEV 21
	114	#define _SC_2_FORT_RUN 22
	115	#define _SC_2_LOCALEDEF 23
	116	#define _SC_2_SW_DEV 24
	117	#define _SC_2_UPE 25
	118	#define _SC_STREAM_MAX 26
	119	#define _SC_TZNAME_MAX 27
	120	/* POSIX.1B sysconf options for async IO*/
	121	#define _SC_ASYNCHRONOUS_IO 28
	122	#define _SC_PAGESIZE 29
	123	#define _SC_AIO_LISTIO_MAX 42
	124	#define _SC_AIO_MAX 43
	125	#define _SC_AIO_PRIO_DELTA_MAX 44
	126
5b2abdfb	127	__BEGIN_DECLS
9385eb3d A	128
	129	void _Exit(int) __dead2;
	130	void _exit(int) __dead2;
	131	int access(const char *, int);
	132	unsigned int alarm(unsigned int);
	133	int chdir(const char *);
	134	int chown(const char *, uid_t, gid_t);
	135	int close(int);
	136	size_t confstr(int, char *, size_t);
	137	int dup(int);
	138	int dup2(int, int);
	139	int execl(const char , const char , ...);
	140	int execle(const char , const char , ...);
	141	int execlp(const char , const char , ...);
	142	int execv(const char , char const *);
	143	int execve(const char , char const , char const *);
	144	int execvp(const char , char const *);
	145	pid_t fork(void);
	146	long fpathconf(int, int);
	147	char getcwd(char , size_t);
	148	int getdomainname(char *, int);
	149	gid_t getegid(void);
	150	uid_t geteuid(void);
	151	gid_t getgid(void);
	152	int getgroups(int, gid_t []);
	153	char *getlogin(void);
	154	int getlogin_r(char *, int);
	155	pid_t getpgrp(void);
	156	pid_t getpid(void);
	157	pid_t getppid(void);
	158	uid_t getuid(void);
	159	int isatty(int);
	160	int link(const char , const char );
	161	off_t lseek(int, off_t, int);
	162	long pathconf(const char *, int);
	163	int pause(void);
	164	int pipe(int *);
	165	ssize_t read(int, void *, size_t);
	166	int rmdir(const char *);
	167	int setdomainname(const char *, int);
	168	int setgid(gid_t);
	169	int setpgid(pid_t, pid_t);
	170	pid_t setsid(void);
	171	int setuid(uid_t);
	172	unsigned int sleep(unsigned int);
	173	long sysconf(int);
	174	pid_t tcgetpgrp(int);
	175	int tcsetpgrp(int, pid_t);
	176	char *ttyname(int);
	177	char ttyname_r(int, char , size_t);
	178	int unlink(const char *);
	179	ssize_t write(int, const void *, size_t);
5b2abdfb A	180
	181	extern char optarg; / getopt(3) external variables */
	182	extern int optind, opterr, optopt, optreset;
9385eb3d	183	int getopt(int, char * const [], const char *);
5b2abdfb A	184
	185	#ifndef _POSIX_SOURCE
	186	#ifdef __STDC__
9385eb3d	187	struct timespec; /* pselect(3) */
5b2abdfb A	188	struct timeval; /* select(2) */
5b2abdfb A	189	#endif
9385eb3d A	190	int acct(const char *);
	191	int async_daemon(void);
	192	char brk(const char );
	193	int chroot(const char *);
	194	char crypt(const char , const char *);
	195	int des_cipher(const char , char , long, int);
	196	int des_setkey(const char *key);
	197	int encrypt(char *, int);
	198	void endusershell(void);
	199	int fchdir(int);
	200	int fchown(int, int, int);
	201	char *fflagstostr(u_long);
	202	int fsync(int);
	203	int ftruncate(int, off_t);
	204	int getdtablesize(void);
	205	int getgrouplist(const char , int, int , int *);
	206	long gethostid(void);
	207	int gethostname(char *, int);
	208	mode_t getmode(const void *, mode_t);
	209	int getpagesize(void) __pure2;
	210	char getpass(const char );
	211	int getpgid(pid_t _pid);
	212	int getsid(pid_t _pid);
	213	char *getusershell(void);
	214	char getwd(char ); /* obsoleted by getcwd() */
	215	int lockf(int, int, off_t);
	216	int initgroups(const char *, int);
	217	int iruserok(unsigned long, int, const char , const char );
	218	int issetugid(void);
	219	char mkdtemp(char );
	220	int mknod(const char *, mode_t, dev_t);
	221	int mkstemp(char *);
	222	int mkstemps(char *, int);
	223	char mktemp(char );
	224	int nfssvc(int, void *);
	225	int nice(int);
	226	ssize_t pread(int, void *, size_t, off_t);
5b2abdfb	227	#if 0
9385eb3d	228	void psignal(unsigned int, const char *);
5b2abdfb A	229	extern __const char *__const sys_siglist[];
	230	#else
	231	#include <signal.h>
	232	#endif
9385eb3d A	233	int profil(char *, int, int, int);
	234	#ifndef __MWERKS__
	235	int pselect(int, fd_set , fd_set , fd_set *,
	236	const struct timespec , const sigset_t );
	237	#endif /* ! __MWERKS__ */
	238	ssize_t pwrite(int, const void *, size_t, off_t);
	239	int rcmd(char *, int, const char , const char , const char , int *);
	240	int readlink(const char , char , int);
	241	int reboot(int);
	242	int revoke(const char *);
	243	int rresvport(int *);
	244	int rresvport_af(int *, int);
	245	int ruserok(const char , int, const char , const char *);
	246	char *sbrk(int);
	247	int select(int, fd_set , fd_set , fd_set , struct timeval );
	248	int setegid(gid_t);
	249	int seteuid(uid_t);
	250	int setgroups(int, const gid_t *);
	251	void sethostid(long);
	252	int sethostname(const char *, int);
	253	int setkey(const char *);
	254	int setlogin(const char *);
	255	void setmode(const char );
	256	int setpgrp(pid_t pid, pid_t pgrp); /* obsoleted by setpgid() */
	257	int setregid(gid_t, gid_t);
	258	int setreuid(uid_t, uid_t);
	259	int setrgid(gid_t);
	260	int setruid(uid_t);
	261	void setusershell(void);
	262	int strtofflags(char *, u_long , u_long *);
	263	int swapon(const char *);
	264	int symlink(const char , const char );
	265	void sync(void);
	266	int syscall(int, ...);
	267	int truncate(const char *, off_t);
	268	int ttyslot(void);
	269	unsigned int ualarm(unsigned int, unsigned int);
	270	int undelete(const char *);
	271	int unwhiteout(const char *);
	272	int usleep(unsigned int);
	273	void *valloc(size_t);
	274	pid_t vfork(void);
5b2abdfb A	275
5b2abdfb A	276	extern char suboptarg; / getsubopt(3) external variable */
9385eb3d	277	int getsubopt(char *, char const , char *);
5b2abdfb A	278
5b2abdfb A	279	/* HFS & HFS Plus semantics system calls go here */
9385eb3d A	280	int getattrlist(const char,void,void*,size_t,unsigned long);
	281	int setattrlist(const char,void,void*,size_t,unsigned long);
	282	int exchangedata(const char,const char,unsigned long);
	283	int checkuseraccess(const char,uid_t,gid_t,int,int,unsigned long);
	284	int getdirentriesattr(int,void,void,size_t,unsigned long,unsigned long,unsigned long*,unsigned long);
	285	int searchfs(const char,void,void,unsigned long,unsigned long,void);
	286
	287	int fsctl(const char ,unsigned long,void,unsigned long);
5b2abdfb A	288
	289
	290	#endif /* !_POSIX_SOURCE */
	291	__END_DECLS
	292
	293	#endif /* !_UNISTD_H_ */