IOCtl Fcn	MOU API Function	Function Performed
IOMR_NB	MouGetNumButtons	Get # of mouse buttons
IOMR_MC	MouGetNumMickeys	Get# of mickeys/centimeter
IOMR_GS	MouGetDevStatus	Get device status flags
IOMW_DS	MouSetDevStatus	Set device status flags
IOMR_QS	MouGetNumQueEI	Get event queue status
IOMR_RD	MouReadEventQue	Read event queue contents
IOMR_GF	MouGetScaleFact	Get current scaling factors
IOMW_SS	MouSetScaleFact	Set new scaling factors
IOMR_GM	MouGetEventMask	Get current event mask
IOMW_EM	MouSetEventMask	Set new event mask
N/A	MouOpen	Open mouse support
N/A	MouClose	Close mouse support
N/A	MouRegister	Install a mouse subsystem
N/A	MouDeRegister	Deinstall a mouse subsystem
N/A	MoulnitReal	Initialize DOS mode driver
IOMW_SP	MouSetPtrShape	Assign new pointer shape
IOMW_GP	MouGetPtrShape	Assign new pointer shape
IOMW_DP	MouDrawPtr	Unmark collision area
IOMW_RP	MouRemovePtr	Mark collision area