ZIC_MAX
rp->r_loyear = ZIC_MAX;
rp->r_hiyear = ZIC_MAX;
if (rp->r_hiwasnum || rp->r_hiyear != ZIC_MAX)
updateminmax(leapmaxyear + (leapmaxyear < ZIC_MAX));
if (max_year <= ZIC_MAX - years_of_observations)
max_year = ZIC_MAX;
if (t1 < 0 ? t2 < ZIC_MIN - t1 : ZIC_MAX - t1 < t2) {
if (wantedy == ZIC_MAX)
if (ZIC_MAX / SECSPERHOUR < hh) {