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Function 440Ah (68-10)   IOCTL: Is Handle Remote?                   . DOS 3.1

    Reports whether a device is local or remote.

       On entry:      AH         44h
                      AL         0Ah
                      BX         Device handle

       Returns:       AX         Bit 15  0       If handle is local
                                 Bit 15  1       If handle is remote

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    This subfunction (DOS 3.1 and later only) allows you to determine
    whether a handle (specified in BX) is for a local or a remote device.
    For local handles, DX returns the attribute word from the device
    header; for remote devices, DX returns with bit 15 set.