INT 21 - DOS 3.1+ network - GET NETWORK PRINTER SETUP STRING
        AX = 5E03h
        BX = redirection list index (see AX=5F02h)
        ES:DI -> 64-byte buffer for setup string
Return: CF clear if successful
            CX = length of setup string
            ES:DI buffer filled
        CF set on error
            AX = error code (01h) (see AH=59h)
SeeAlso: INT 2F/AX=111Fh