;       SCCSID = @(#)dos4dd.inc	6.1 91/07/12
;       SCCSID = @(#)dos4dd.inc	6.1 90/11/17
;	SCCSID = @(#)dos4dd.inc	    13.1 88/11/09


;FUNCTION CODES
DEVINIT        EQU   0		    ;INITIALIZATION
DINITHL        EQU   26 	    ;SIZE OF INIT HEADER
DEVMDCH        EQU   1		    ;MEDIA CHECK
DMEDHL	       EQU   15 	    ;SIZE OF MEDIA CHECK HEADER
DEVBPB	       EQU   2		    ;GET BPB
DEVRDIOCTL     EQU   3		    ;IOCTL READ
DBPBHL	       EQU   22 	    ;SIZE OF GET BPB HEADER
DEVRD	       EQU   4		    ;READ
DRDWRHL        EQU   22 	    ;SIZE OF RD/WR HEADER
DEVRDND        EQU   5		    ;NON DESTRUCTIVE READ NO WAIT (CHARACTER DEVS)
DRDNDHL        EQU   14 	    ;SIZE OF NON DESTRUCTIVE READ HEADER
DEVIST	       EQU   6		    ;INPUT STATUS
DSTATHL        EQU   13 	    ;SIZE OF STATUS HEADER
DEVIFL	       EQU   7		    ;INPUT FLUSH
DFLSHL	       EQU   15 	    ;SIZE OF FLUSH HEADER
DEVWRT	       EQU   8		    ;WRITE
DEVWRTV        EQU   9		    ;WRITE WITH VERIFY
DEVOST	       EQU   10 	    ;OUTPUT STATUS
DEVOFL	       EQU   11 	    ;OUTPUT FLUSH
DEVWRIOCTL     EQU   12 	    ;IOCTL WRITE
DEVOPN	       EQU   13 	    ;DEVICE OPEN
DEVCLS	       EQU   14 	    ;DEVICE CLOSE
DOPCLHL        EQU   13 	    ;SIZE OF OPEN/CLOSE HEADER
DEVRMD	       EQU   15 	    ;REMOVABLE MEDIA
REMHL	       EQU   13 	    ;SIZE OF REMOVABLE MEDIA HEADER
GENIOCTL       EQU   19
; THE NEXT THREE ARE USED IN DOS 4.0
;		     20
;		     21
;		     22
DEVGETOWN      EQU   23 	    ;GET DEVICE OWNER
DEVSETOWN      EQU   24 	    ;SET DEVICE OWNER
OWNHL	       EQU   13 	    ;SIZE OF DEVICE OWNER HEADER

DEVOUT	       EQU   16 	    ; OUTPUT UNTIL BUSY.
DEVOUTL        EQU   DEVWRT	    ; LENGTH OF OUTPUT UNTIL BUSY


