inquire display space size

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Fortran binding:

C *** *** *** *** *** *** *** *** *** ***
      SUBROUTINE     PQDSP (WTYPE, ERRIND, DCUNIT, DX, DY, RX, RY)
      INTEGER        WTYPE
C input / output
      INTEGER        ERRIND
      INTEGER        DCUNIT
      REAL           DX, DY
      INTEGER        RX, RY
      END

Related SRs:

04.01/SR02 05.01.02/SR01 06.03/SR03 06.03/SR04 09.02.01/SR01 09.02.02/SR01 09.02.02/SR02 09.02.02/SR04 09.02.02/SR08 11.02/SR02