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5158a0f59f
freebsd/include/unistd.h
David Malone 98d1592458 Change brk's prototype from char *brk(const char *) to int brk(const void *) 
and sbrk's prototype from char *sbrk(int) to void *sbrk(intptr_t).

This makes us more consistant with NetBSD and standards which include
these functions. Bruce pointed out that ptrdiff_t would probably
have been better than intptr_t, but this doesn't match other
implimentations.

Also remove local declarations of sbrk and unnecessary casting.

PR:		32296
Tested by:	Harti Brandt <brandt@fokus.gmd.de>
MFC after:	1 month
2002-01-24 12:11:31 +00:00

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8.6 KiB
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/*-
* 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
* $FreeBSD$
*/
#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
#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
__BEGIN_DECLS
void _exit __P((int)) __dead2;
int access __P((const char *, int));
unsigned int alarm __P((unsigned int));
int chdir __P((const char *));
int chown __P((const char *, uid_t, gid_t));
int close __P((int));
int dup __P((int));
int dup2 __P((int, int));
int eaccess __P((const char *, 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 []));
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 *));
#ifndef _LSEEK_DECLARED
#define _LSEEK_DECLARED
off_t lseek __P((int, off_t, int));
#endif
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));
void setproctitle __P((const char *_fmt, ...)) __printf0like(1, 2);
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));
char *ttyname __P((int));
int unlink __P((const char *));
ssize_t write __P((int, const void *, size_t));
extern char *optarg; /* getopt(3) external variables */
extern int optind, opterr, optopt;
int getopt __P((int, char * const [], const char *));
#ifndef _POSIX_SOURCE
#ifdef __STDC__
struct timeval; /* select(2) */
#endif
int acct __P((const char *));
int async_daemon __P((void));
int brk __P((const void *));
int chroot __P((const char *));
size_t confstr __P((int, char *, size_t));
char *crypt __P((const char *, const char *));
__const char *
crypt_get_format __P((void));
int crypt_set_format __P((const char *));
int des_cipher __P((const char *, char *, long, int));
int des_setkey __P((const char *key));
int encrypt __P((char *, int));
void endusershell __P((void));
int exect __P((const char *, char * const *, char * const *));
int fchdir __P((int));
int fchown __P((int, uid_t, gid_t));
char *fflagstostr __P((u_long));
int fsync __P((int));
#ifndef _FTRUNCATE_DECLARED
#define _FTRUNCATE_DECLARED
int ftruncate __P((int, off_t));
#endif
int getdomainname __P((char *, int));
int getdtablesize __P((void));
int getgrouplist __P((const char *, gid_t, gid_t *, int *));
long gethostid __P((void));
int gethostname __P((char *, int));
int getlogin_r __P((char *, int));
mode_t getmode __P((const void *, mode_t));
int getpagesize __P((void)) __pure2;
char *getpass __P((const char *));
int getpeereid __P((int, uid_t *, gid_t *));
int getpgid __P((pid_t _pid));
int getresgid __P((gid_t *, gid_t *, gid_t *));
int getresuid __P((uid_t *, uid_t *, uid_t *));
int getsid __P((pid_t _pid));
char *getusershell __P((void));
char *getwd __P((char *)); /* obsoleted by getcwd() */
int initgroups __P((const char *, gid_t));
int iruserok __P((unsigned long, int, const char *, const char *));
int iruserok_sa __P((const void *, int, int, const char *, const char *));
int issetugid __P((void));
int lchown __P((const char *, uid_t, gid_t));
int lockf __P((int, int, off_t));
char *mkdtemp __P((char *));
int mknod __P((const char *, mode_t, dev_t));
int mkstemp __P((char *));
int mkstemps __P((char *, int));
char *mktemp __P((char *));
int nfsclnt __P((int, void *));
int nfssvc __P((int, void *));
int nice __P((int));
ssize_t pread __P((int, void *, size_t, off_t));
int profil __P((char *, size_t, vm_offset_t, int));
ssize_t pwrite __P((int, const void *, size_t, off_t));
int rcmd __P((char **, int, const char *,
const char *, const char *, int *));
int rcmd_af __P((char **, int, const char *,
const char *, const char *, int *, int));
int rcmdsh __P((char **, int, const char *,
const char *, const char *, const char *));
char *re_comp __P((const char *));
int re_exec __P((const char *));
int readlink __P((const char *, char *, int));
int reboot __P((int));
int revoke __P((const char *));
pid_t rfork __P((int));
pid_t rfork_thread __P((int, void *, int (*)(void *), void *));
int rresvport __P((int *));
int rresvport_af __P((int *, int));
int ruserok __P((const char *, int, const char *, const char *));
void *sbrk __P((intptr_t));
int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *));
int setdomainname __P((const char *, int));
int setegid __P((gid_t));
int seteuid __P((uid_t));
int setgroups __P((int, const gid_t *));
void sethostid __P((long));
int sethostname __P((const char *, int));
int setkey __P((const char *));
int setlogin __P((const char *));
void *setmode __P((const char *));
int setpgrp __P((pid_t _pid, pid_t _pgrp)); /* obsoleted by setpgid() */
int setregid __P((gid_t, gid_t));
int setresgid __P((gid_t, gid_t, gid_t));
int setresuid __P((uid_t, uid_t, uid_t));
int setreuid __P((uid_t, uid_t));
int setrgid __P((gid_t));
int setruid __P((uid_t));
void setusershell __P((void));
int strtofflags __P((char **, u_long *, u_long *));
int swapon __P((const char *));
int symlink __P((const char *, const char *));
void sync __P((void));
int syscall __P((int, ...));
off_t __syscall __P((quad_t, ...));
#ifndef _TRUNCATE_DECLARED
#define _TRUNCATE_DECLARED
int truncate __P((const char *, off_t));
#endif
int ttyslot __P((void));
unsigned int ualarm __P((unsigned int, unsigned int));
int undelete __P((const char *));
int unwhiteout __P((const char *));
int usleep __P((unsigned int));
void *valloc __P((size_t)); /* obsoleted by malloc() */
pid_t vfork __P((void));
extern char *suboptarg; /* getsubopt(3) external variable */
int getsubopt __P((char **, char * const *, char **));
#endif /* !_POSIX_SOURCE */
extern int optreset; /* getopt(3) external variable */
__END_DECLS
#endif /* !_UNISTD_H_ */
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