Int 21 Fn 4403  - Compaq Ag1024.sys - Rgdi - Ioctl Output                  [V]

   AX = 4403h
   BX = file handle referencing device "$$$$RGDI"
   DS:DX -> request packet (see below)
   CX ignored

Return: CF clear if successful
       AX destroyed
       data buffer filled (if applicable)
       first word of request packet set to number of bytes of data
         available (amount returned is smaller of this and requested
         amount)
   CF set on error
       AX = error code (01h,05h,06h,0Dh) (see AH=59h)
Program: AG1024.SYS is a device driver for the Advanced Graphics 1024 adapter

See Also: AX=4402h"RGDI",AX=4403h"CPQ_MGES"

Format of request packet:
Offset Size    Description
 00h   WORD    function
       0000h get entry points
       0001h get ???
 02h   DWORD   address of buffer for returned data