include # UGGWND -- Get window procedure uggwnd (gp, x1, x2, y1, y2, istat) pointer gp real x1, x2 # range of world coordinates in X real y1, y2 # range of world coordinates in Y int istat begin istat = ER_OK # Get window iferr ( call ggwind (gp, x1, x2, y1, y2)) istat = ER_GRAPHGETWND end