unistd.h

来自「T-kernel 的extension源代码」· C头文件 代码 · 共 59 行

/*
 *----------------------------------------------------------------------
 *    T-Kernel / Standard Extension
 *
 *    Copyright (C) 2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel / Standard Extension is distributed 
 *      under the T-License for T-Kernel / Standard Extension.
 *----------------------------------------------------------------------
 *
 *    Version:   1.00.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
 *
 *----------------------------------------------------------------------
 */

/*
 *	unistd.h
 *
 */

#ifndef __STDFILE_UNISTD_H__
#define __STDFILE_UNISTD_H__

#include "sys/types.h"
#include "sys/unistd.h"

#ifdef __cplusplus
extern "C" {
#endif

/* Default file descriptor */
#define	STDIN_FILENO		0	/* Standard input */
#define	STDOUT_FILENO		1	/* Standard output */
#define	STDERR_FILENO		2	/* Standard error output */

/*
 * System call
 */
extern int	close( int fildes );
extern off_t	lseek( int fildes, off_t offset, int whence );
extern ssize_t	read( int fildes, void *buf, size_t nbyte );
extern ssize_t	write( int fildes, const void *buf, size_t nbyte );
extern int	unlink( const char *path );
extern int	rmdir( const char *path );
extern int	dup( int oldd );
extern int	dup2( int oldd, int newd );
extern int	fsync( int fd );
extern int	chdir( const char *path );
extern int	fchdir( int fd );
extern int	truncate( const char *path, off_t length );
extern int	ftruncate( int fildes, off_t length );
extern void	sync( void );
extern char*	getcwd( char *buf, size_t size );

#ifdef __cplusplus
}
#endif
#endif /* __STDFILE_UNISTD_H__ */