PROCEDURE [XREF] csp$display_menu(menu_rows: cst$number_of_menu_rows;
        reserve_lines: cst$lines_used;
    VAR lines_used: cst$lines_used;
    VAR status: ost$status);
*copyc cst$number_of_menu_rows
*copyc cst$lines_used
*copyc ost$status
