Function            CompaqGetMonitor - Get active monitor

  Syntax              unsigned char CompaqGetMonitor(void);

  Prototype in        video.h

  Remarks             CompaqGetMonitor() determines the active monitor on
                      a Compaq Portable.

  Return value        returns 0 if the external monitor is active and 1
                      if the internal monitor is active.

  Note                This function should ONLY be used on a Compaq
                      Portable or unpredictable results may occur.

  See also            CompaqExternalMonitorType(), CompaqGetMasterMode(),
                      CompaqInternalMonitorType(),
                      CompaqModeSwitchDelay(), CompaqSelectMonitor(),
                      CompaqSetMasterMode()