ExecUt :: heap_sto :: heap_sto()

    {

    line = 0 ;

    file = 0 ;

    };

ExecUt :: heap_descr_page :: heap_descr_page()

    {

    pre = 0 ;

    };

ExecUt :: call_descr :: call_descr()

    {

    proc = 0 ;

    file = 0 ;

    line = 0 ;

    comm = 0 ;

    };