LAST_DOW
#define DOW_COUNT (LAST_DOW - FIRST_DOW + 1)
bit_nset(e->dow, 0, (LAST_DOW-FIRST_DOW+1));
bit_nset(e->dow, 0, (LAST_DOW-FIRST_DOW+1));
bit_nset(e->dow, 0, (LAST_DOW-FIRST_DOW+1));
bit_nset(e->dow, 0, (LAST_DOW-FIRST_DOW+1));
bit_nset(e->dow, 0, (LAST_DOW-FIRST_DOW+1));
bit_nset(e->dow, 0, (LAST_DOW-FIRST_DOW+1));
ch = get_list(e->dow, FIRST_DOW, LAST_DOW,