S_YEAR
state |= S_WDAY | S_MON | S_MDAY | S_YEAR;
state |= S_MON | S_MDAY | S_YEAR;
state |= S_MON | S_MDAY | S_YEAR;
state |= S_MON | S_MDAY | S_YEAR;
state |= S_YEAR;
S_MON | S_MDAY | S_YEAR;
state |= S_YEAR;
state |= S_YEAR;
#define HAVE_YEAR(s) (s & S_YEAR)