file.h

cygwin, 著名的在win32下模拟unix操作系统的东东

/* This is file FILE.H */
/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained.  This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

#ifndef _FILE_H_
#define _FILE_H_

#include <fcntl.h>

#define L_SET  0
#define L_CURR 1
#define L_INCR 1
#define L_XTND 2

#define	F_OK		0	/* does file exist */
#define X_OK		1	/* is it executable by caller */
#define	W_OK		2	/* is it writable by caller */
#define	R_OK		4	/* is it readable by caller */

#endif