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       XkbGetIndicatorState - Obtains the current state of the keyboard indicators


       Status  XkbGetIndicatorState  (Display  *display,  unsigned  int device_spec, unsigned int


       - display
              connection to the X server

       - device_spec
              device ID, or XkbUseCoreKbd

       - state_return
              backfilled with a mask of the indicator state


       Xkb allows applications  to  obtain  information  about  indicators  using  two  different
       methods.  The  first method, which is similar to the core X implementation, uses a mask to
       specify the indicators. The  second  method,  which  is  more  suitable  for  applications
       concerned  with  interoperability,  uses  indicator  names. The correspondence between the
       indicator name and the bit position in masks is as follows: one of the parameters returned
       from  XkbGetNamedIndicators  is  an  index that is the bit position to use in any function
       call that requires a mask of indicator bits, as well as the  indicator's  index  into  the
       XkbIndicatorRec array of indicator maps.

       XkbGetIndicatorState  queries  the  display  for the state of the indicators on the device
       specified by the device_spec.  For each indicator that is "turned on" on the  device,  the
       associated  bit  is  set in state_return.  If a compatible version of the Xkb extension is
       not available in the server, XkbGetIndicatorState returns a BadMatch error. Otherwise,  it
       sends  the  request to the X server, places the state of the indicators into state_return,
       and returns Success. Thus the value reported by XkbGetIndicatorState is identical  to  the
       value reported by the core protocol.


       BadMatch       A  compatible version of Xkb was not available in the server or an argument
                      has correct type and range, but is otherwise invalid