EXTRN DosDevIOCtl2:FAR INCL_DOSDEVICES EQU 1 PUSH@ OTHER Data ;Data area PUSH WORD DataLength ;Data area length PUSH@ OTHER ParmList ;Command arguments PUSH WORD ParmListLength ;Command arguments list length PUSH WORD Function ;Device function PUSH WORD Category ;Device category PUSH WORD DevHandle ;Device handle CALL DosDevIOCtl2 Returns WORD