/*

 * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

 * which accompanies this distribution, and is available

 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

 /**

  @file

  @internalComponent

 */

 #ifndef _SYS_UNISTD_H

 #define _SYS_UNISTD_H

 #ifdef __cplusplus

 extern "C" {

 #endif

 #include <_ansi.h>

 #include <sys/types.h>

 #define __need_size_t

 #include <stddef.h>

 IMPORT_C int	access		(const char *_path, int _amode );

 IMPORT_C int	waccess		(const wchar_t *_path, int _amode );

 IMPORT_C int    chdir		(const char *_path );

 IMPORT_C int    wchdir		(const wchar_t *_path );

 IMPORT_C int    chmod		(const char *_path, mode_t _mode );

 IMPORT_C int    wchmod		(const wchar_t *_path, mode_t _mode );

 IMPORT_C int    close		(int _fildes );

 IMPORT_C int    dup		(int _fildes );

 IMPORT_C int    dup2		(int _fildes, int _fildes2 );

 IMPORT_C int    fsync		(int _fildes );

 IMPORT_C char*	getcwd		(char *_buf, size_t _size );

 IMPORT_C wchar_t*	wgetcwd		(wchar_t *_buf, size_t _size );

 IMPORT_C int	gethostname	(char *_buf, size_t _size );

 IMPORT_C int    isatty		(int _fildes );

 IMPORT_C off_t  lseek		(int _fildes, off_t _offset, int _whence );

 IMPORT_C int	open		(const char *, int, ...);

 IMPORT_C int	wopen		(const wchar_t *, int, ...);

 IMPORT_C int    read		(int _fildes, char *_buf, size_t _nbyte );

 IMPORT_C int	rename		(const char *, const char *);

 IMPORT_C int	wrename		(const wchar_t *, const wchar_t *);

 IMPORT_C int    rmdir		(const char *_path );

 IMPORT_C int    wrmdir		(const wchar_t *_path );

 IMPORT_C int    unlink		(const char *_path );

 IMPORT_C int    wunlink		(const wchar_t *_path );

 IMPORT_C int    write		(int _fildes, const char *_buf, size_t _nbyte );

 IMPORT_C void	_exit		(int _status ) _ATTRIBUTE((noreturn));

 /** 

 NB. open is also declared in fcntl.h 

 @publishedAll

 @released

 */

 IMPORT_C pid_t   getpid		(void );

 /**

 @publishedAll

 @released

 */

 IMPORT_C unsigned sleep		(unsigned int _seconds );

 #define remove(x)       unlink(x)

 #define wremove(x)       wunlink(x)

 unsigned  alarm		(unsigned _secs );

 int     chown		(const char *_path, uid_t _owner, gid_t _group );

 char    *ctermid	(char *_s );

 char    *cuserid	(char *_s );

 int     execl		(const char *_path, const char *, ... );

 int     execle		(const char *_path, const char *, ... );

 int     execlp		(const char *_file, const char *, ... );

 int     execv		(const char *_path, char * const _argv[] );

 int     execve		(const char *_path, char * const _argv[], char * const _envp[] );

 int     execvp		(const char *_file, char * const _argv[] );

 pid_t   fork		(void );

 long    fpathconf	(int _fd, int _name );

 gid_t   getegid		(void );

 uid_t   geteuid		(void );

 gid_t   getgid		(void );

 int     getgroups	(int _gidsetsize, gid_t _grouplist[] );

 char    *getlogin	(void );

 size_t  getpagesize	(void);

 pid_t   getpgrp		(void );

 pid_t   getppid		(void );

 uid_t   getuid		(void );

 int     link		(const char *_path1, const char *_path2 );

 long    pathconf	(char *_path, int _name );

 int     pause		(void );

 int     pipe		(int _fildes[2] );

 void *  sbrk		(size_t incr);

 int     setgid		(gid_t _gid );

 int     setpgid		(pid_t _pid, pid_t _pgid );

 pid_t   setsid		(void );

 int     setuid		(uid_t _uid );

 long    sysconf		(int _name );

 pid_t   tcgetpgrp	(int _fildes );

 int     tcsetpgrp	(int _fildes, pid_t _pgrp_id );

 char    *ttyname	(int _fildes );

 long	sysconf		(int _name);

 # define	_SC_ARG_MAX	0

 # define	_SC_CHILD_MAX	1

 # define	_SC_CLK_TCK	2

 # define	_SC_NGROUPS_MAX	3

 # define	_SC_OPEN_MAX	4

 /* no _SC_STREAM_MAX */

 # define	_SC_JOB_CONTROL	5

 # define	_SC_SAVED_IDS	6

 # define	_SC_VERSION	7

 # define        _SC_PAGESIZE    8

 # define	_PC_LINK_MAX	0

 # define	_PC_MAX_CANON	1

 # define	_PC_MAX_INPUT	2

 # define	_PC_NAME_MAX	3

 # define	_PC_PATH_MAX	4

 # define	_PC_PIPE_BUF	5

 # define	_PC_CHOWN_RESTRICTED	6

 # define	_PC_NO_TRUNC	7

 # define	_PC_VDISABLE	8

 # define	F_OK	0

 # define	R_OK	4

 # define	W_OK	2

 # define	X_OK	1

 # define	SEEK_SET	0

 # define	SEEK_CUR	1

 # define	SEEK_END	2

 #ifdef __svr4__

 # define _POSIX_JOB_CONTROL	1

 # define _POSIX_SAVED_IDS	1

 # define _POSIX_VERSION	199009L

 #endif

 /**

 @publishedAll

 @released

 */

 #define STDIN_FILENO    0       /* standard input file descriptor */

 /**

 @publishedAll

 @released

 */

 #define STDOUT_FILENO   1       /* standard output file descriptor */

 /**

 @publishedAll

 @released

 */

 #define STDERR_FILENO   2       /* standard error file descriptor */

 # ifndef	_POSIX_SOURCE

 #  define	MAXNAMLEN	256	/* E32STD.H: KMaxName */	

 # endif		/* _POSIX_SOURCE */

 # define	MAXPATHLEN	256	/* E32STD.H: KMaxFullName */

 #ifdef __cplusplus

 }

 #endif

 #endif