Compatibility: 3.3+
Expects: AX    440cH
BX    file handle  (device or disk file)
CL    4aH
CH    device category: 00H=unknown
01H=COMn (DOS 3.3+)
03H=console (screen + keyboard) (DOS 3.3+)
05H=parallel printer (DOS 3.2+)
DS:DX addr of an IoctlCpIdRec that selects the code page
                                                                  
Returns: AX    error code  if CF is set to CY
                                                                  
Info: Selects a desired code page to be used by the specified device.
The code page must by among those that have already been
prepared; see 440cH 6bH (cp prepare) and 440cH 6bH (cp list).

See Also: Fn 44H (IOCTL)
Fn 440cH (generic IOCTL for character devices)
Fn 440cH 6aH (query current code page)
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DOS Fn 440cH CL=4AH: IOCTL Select Code Page