v_sctype -- set cursor type (style)

        USAGE

          v_sctype(type, start, end);
          int type, start, end;

                type -  cursor style code (0=hidden, 1=normal, 2=slow, 3=fast)
                start - start scan line
                end -   end scan line

          As an example, to set a slow flashing block style cursor invoke
          this function with type=1, start=6, and end=12 (color card).

        RETURNS

          Nothing.

        CAUTIONS

          Color and Monochrome adapters only.
          Not for use on the 3270 PC or Enhanced Graphics Adapters.