INT 2fH 0106H: Get Printer Device Driver Header

                                                         Compatibility: 3.0+ 
 Expects: AX    0106H
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 Returns: AX    0000H and CF=NC=0 if the queue is currently empty
                or error code (if CF=CY)
          DS:SI the address of the DevHdrRec of the device driver that is
                currently in use by Print.Exe for print spooling.
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    Info: This provides a way to ascertain the name and other attributes of
          the device that is in use for print spooling.

See Also: INT 2fH 01xxH: DOS Print Spooler Functions
          INT 2fH: Multiplex Interrupt
          DOS Functions
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