+bool agl_router_default_accept (struct userdata *, agl_rtgroup *, agl_node *);
+bool agl_router_phone_accept (struct userdata *, agl_rtgroup *, agl_node *);
+int agl_router_default_compare (struct userdata *, agl_rtgroup *, agl_node *, agl_node *);
+int agl_router_phone_compare (struct userdata *, agl_rtgroup *, agl_node *, agl_node *);
+