RBT_HEAD
RBT_HEAD(btshead, btnode);
RBT_HEAD(leaktree, leaknode);
RBT_HEAD(tree, node);
RBT_HEAD(pfctl_statelim_ids, pfctl_statelim);
RBT_HEAD(pfctl_statelim_nms, pfctl_statelim);
RBT_HEAD(pfctl_sourcelim_ids, pfctl_sourcelim);
RBT_HEAD(pfctl_sourcelim_nms, pfctl_sourcelim);
RBT_HEAD(octcrypto_tree, octcrypto_session)
RBT_HEAD(bio_mappings, bio_mapping);
RBT_HEAD(kstat_id_tree, kstat);
RBT_HEAD(kstat_pv_tree, kstat);
RBT_HEAD(kstat_nm_tree, kstat);
RBT_HEAD(unvname_rbt, unvname);
RBT_HEAD(bpe_tree, bpe_key);
RBT_HEAD(eb_tree, eb_entry);
RBT_HEAD(mgre_tree, mgre_softc);
RBT_HEAD(egre_tree, egre_softc);
RBT_HEAD(nvgre_ucast_tree, nvgre_softc);
RBT_HEAD(nvgre_mcast_tree, nvgre_softc);
RBT_HEAD(eoip_tree, eoip_softc);
RBT_HEAD(erspan_tree, erspan_softc);
RBT_HEAD(pppx_ifs, pppx_if) pppx_ifs = RBT_INITIALIZER(&pppx_ifs); /* [N] */
RBT_HEAD(veb_pvlan_vp, veb_pvlan);
RBT_HEAD(veb_pvlan_vs, veb_pvlan);
RBT_HEAD(vxlan_peers, vxlan_peer);
RBT_HEAD(pf_state_tree, pf_state_key);
RBT_HEAD(pf_state_tree_id, pf_state);
RBT_HEAD(pf_statelim_id_tree, pf_statelim);
RBT_HEAD(pf_statelim_nm_tree, pf_statelim);
RBT_HEAD(pf_source_tree, pf_source);
RBT_HEAD(pf_source_ioc_tree, pf_source);
RBT_HEAD(pf_sourcelim_id_tree, pf_sourcelim);
RBT_HEAD(pf_sourcelim_nm_tree, pf_sourcelim);
RBT_HEAD(ieee80211_tree, ieee80211_node);
RBT_HEAD(ieee80211_ess_tree, ieee80211_ess_rbt);
RBT_HEAD(ipsec_ids_flows, ipsec_ids);
RBT_HEAD(ipsec_ids_tree, ipsec_ids);
RBT_HEAD(nfs_nodetree, nfsnode)
RBT_HEAD(hiballoc_addr, hiballoc_entry) hib_addrs;
RBT_HEAD(phtree, pool_page_header)
RBT_HEAD(buf_rb_bufs, buf);
RBT_HEAD(namecache_rb_cache, namecache);
RBT_HEAD(uaddr_free_rbtree, vm_map_entry);
RBT_HEAD(uvm_map_addr, vm_map_entry);
RBT_HEAD(uvm_objtree, vm_page) memt; /* pages in object */
RBT_HEAD(uvm_pmemrange_addr, uvm_pmemrange);
RBT_HEAD(uvm_pmr_addr, vm_page);
RBT_HEAD(uvm_pmr_size, vm_page);
RBT_HEAD(kstat_tree, kstat_entry);
RBT_HEAD(ifaces, iface);