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─────The SETWSIZEQQ Function────────────────────────────────────────────────
 
     The SETWSIZEQQ function sets the position or size of a window. It
     is defined as follows in FLIB.FI:
 
          INTERFACE TO INTEGER*2 FUNCTION SETWSIZEQQ(IUNIT,WINFO)
          STRUCTURE /QWINFO/
              INTEGER*2 TYPE          ! request type
              INTEGER*2 X             ! x coordinate for upper left
              INTEGER*2 Y             ! y coordinate for upper left
              INTEGER*2 H             ! window height
              INTEGER*2 W             ! window width
          END STRUCTURE
          INTEGER*2 IUNIT
          RECORD /QWINFO/ WINFO
          END
 
     The parameter IUNIT specifies the window unit.
 
     All positions and dimensions are expressed in units of a
     character height or width.
 
     This function's behavior depends on the value of WINFO.TYPE,
     which can be:
 
          QWIN$MIN
          QWIN$MAX
          QWIN$RESTORE
          QWIN$SET
 
     These values are defined in FLIB.FD.
 
     If WINFO.TYPE is QWIN$MIN or QWIN$MAX, the window is minimized or
     maximized. If WINFO.TYPE is QWIN$RESTORE and the window is
     currently minimized, it is restored to its previous size. If
     WINFO.TYPE is QWIN$SET, the window's position and size are set
     according to the values in WINFO.X, WINFO.Y, WINFO.H, and
     WINFO.W.
 
     SETWSIZEQQ returns zero on success and a nonzero value on
     failure.
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