/*

* 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