nh_vholds_list
mdb_printf("Vholds: %?p\n", nh.nh_vholds_list.tqh_first);
TAILQ_INSERT_TAIL(&hostp->nh_vholds_list, nvp, nv_link);
TAILQ_REMOVE(&hostp->nh_vholds_list, nvp, nv_link);
ASSERT(TAILQ_EMPTY(&hostp->nh_vholds_list));
ASSERT(TAILQ_EMPTY(&hostp->nh_vholds_list));
TAILQ_FOREACH(nvp, &hostp->nh_vholds_list, nv_link) {
TAILQ_INIT(&host->nh_vholds_list);
nvp = TAILQ_FIRST(&hostp->nh_vholds_list);
if (!TAILQ_EMPTY(&hostp->nh_vholds_list))
TAILQ_FOREACH(nvp, &hostp->nh_vholds_list, nv_link) {
nvp = TAILQ_FIRST(&hostp->nh_vholds_list);