#define O_NOFOLLOW 0100000 /* don't follow links */
#define O_LARGEFILE 0200000
#define O_DIRECT 0400000 /* direct disk access hint */
+#define O_ATOMICLOOKUP 01000000 /* tux hack */
#define F_DUPFD 0 /* dup */
#define F_GETFD 1 /* get close_on_exec */