RB_HEAD
RB_HEAD(penalties_by_addr, penalty) penalties_by_addr4, penalties_by_addr6;
#define RB_HEAD(name, type) \
RB_HEAD(ac_utree,ac_unode) ac_uroot;
RB_HEAD(hl_tree,hl_node) hl_root;
#define RB_HEAD(name, type) \
static RB_HEAD(cmap_sym, charmap) cmap_sym;
static RB_HEAD(ctypes, ctype_node) ctypes;