LPS_NBSY          100 dev/ic/lpt.c   #define	LPS_INVERT	(LPS_SELECT|LPS_NERR|LPS_NBSY|LPS_NACK)
LPS_NBSY          101 dev/ic/lpt.c   #define	LPS_MASK	(LPS_SELECT|LPS_NERR|LPS_NBSY|LPS_NACK|LPS_NOPAPER)