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#ifndef _FCNTL_H
#define _FCNTL_H

#include < sys/types.h>

/* open/fcntl - NOCTTY, NDELAY isn't implemented yet */
#define O_ACCMODE	00003
#define O_RDONLY	   00
#define O_WRONLY	   01
#define O_RDWR		   02
#define O_CREAT		00100	/* not fcntl */
#define O_EXCL		00200	/* not fcntl */
#define O_NOCTTY	00400	/* not fcntl */
#define O_TRUNC		01000	/* not fcntl */
#define O_APPEND	02000
#define O_NONBLOCK	04000	/* not fcntl */
#define O_NDELAY	O_NONBLOCK

/* Defines for fcntl-commands. Note that currently
 * locking isn't supported, and other things aren't really
 * tested.
 */
#define F_DUPFD		0	/* dup */
#define F_GETFD		1	/* get f_flags */
#define F_SETFD		2	/* set f_flags */
#define F_GETFL		3	/* more flags (cloexec) */
#define F_SETFL		4
#define F_GETLK		5	/* not implemented */
#define F_SETLK		6
#define F_SETLKW	7

/* for F_[GET|SET]FL */
#define FD_CLOEXEC	1	/* actually anything with low bit set goes */

/* Ok, these are locking features, and aren't implemented at any
 * level. POSIX wants them.
 */
#define F_RDLCK		0
#define F_WRLCK		1
#define F_UNLCK		2

/* Once again - not implemented, but ... */
struct flock {
	short l_type;
	short l_whence;
	off_t l_start;
	off_t l_len;
	pid_t l_pid;
};

extern int creat(const char * filename,mode_t mode);
extern int fcntl(int fildes,int cmd, ...);
extern int open(const char * filename, int flags, ...);

#endif