ilm_lookup
ilm_lookup(ill, &ilm->ilm_v6addr, ALL_ZONES) != ilm) {
ilm_lookup(ill, &ilm->ilm_v6addr, ALL_ZONES) != ilm) {
ilm = ilm_lookup(ill, v6group, ALL_ZONES);
ilm = ilm_lookup(ill, v6group, zoneid);
static ilm_t *ilm_lookup(ill_t *, const in6_addr_t *, zoneid_t);