DD_YEAR_SHIFT
lastddate += (year - 1980) << DD_YEAR_SHIFT;
year = (dd & DD_YEAR_MASK) >> DD_YEAR_SHIFT;
ldep->de_CDate = (0 << DD_YEAR_SHIFT) | (1 << DD_MONTH_SHIFT)
lastddate += (year - 1980) << DD_YEAR_SHIFT;
ldep->de_CDate = (0 << DD_YEAR_SHIFT) | (1 << DD_MONTH_SHIFT)