ICU_GRP_SEI
sn->sn_group = ICU_GRP_SEI;
(sn->sn_group == ICU_GRP_SEI && group == ICU_GRP_SEI))
} else if (sn->sn_group == ICU_GRP_SEI) {
if (sn->sn_group == ICU_GRP_SEI && !sc->sc_sei_addr) {