%N grqcap %F $MIR/src/grqcap.f
%D Inquire device capabilities
%B
      SUBROUTINE GRQCAP (STRING)
      CHARACTER*(*) STRING

 GRPCKG: obtain the "device capabilities" string from the device
 driver for the current device.

 Arguments:

 STRING (output, CHARACTER*(*)): receives the device capabilities
       string.
