XkbGetState - Obtains the keyboard state

display
              connection to the X server

       device_spec
              device ID, or XkbUseCoreKbd

       state_return
              backfilled with Xkb state

       The  XkbGetState  function queries the server for the current keyboard state, waits for a reply, and then
       backfills state_return with the results.

       All group values are expressed as group indices in the range  [0..3].  Modifiers  and  the  compatibility
       modifier  state  values  are  expressed  as the bitwise union of the core X11 modifier masks. The pointer
       button state is reported as in the core X11 protocol.

X Version 11                                      libX11 1.8.12                                   XkbGetState(3)

       XkbGetState -  Obtains the keyboard state

StatusXkbGetState(Display*display,unsignedintdevice_spec,XkbStatePtrstate_return);