DOS Fn 440cH CL=4DH: IOCTL End Code Page Prepare

                                                         Compatibility: 3.3+ 
 Expects: AX    440cH
          BX    file handle  (device or disk file)
          CL    4dH
          CH    device category: 00H=unknown
                                 01H=COMn (DOS 3.3+)
                                 03H=console (screen + keyboard) (DOS 3.3+)
                                 05H=parallel printer (DOS 3.2+)
 Returns: AX    error code  if CF is set to CY
    Info: Completes the sequence that prepares a device for preparing a
          code page list.

          See Fn 440cH 4cH (start cp prepare) and 4403H (send IOCTL data)
          for related information.

See Also: Fn 44H (IOCTL)
          Fn 440cH (generic IOCTL for character devices)
          National Language Support
          DOS Functions