#define O_LARGEFILE 0400000 /* will be set by the kernel on every open */
#define O_ATOMICLOOKUP 01000000 /* do atomic file lookup */
#define O_DIRECT 02000000 /* direct disk access - should check with OSF/1 */
-#define O_NOATIME 04000000
#define F_DUPFD 0 /* dup */
#define F_GETFD 1 /* get close_on_exec */