i_ipadm_get_db_addr
status = i_ipadm_get_db_addr(iph, NULL, aobjname, &onvl);
status = i_ipadm_get_db_addr(iph, NULL, aobjname, &addrnvl);
static ipadm_status_t i_ipadm_get_db_addr(ipadm_handle_t, const char *,
status = i_ipadm_get_db_addr(iph, ifname, NULL, &onvl);