+int sd_rtnl_message_route_get_family(sd_rtnl_message *m, int *family);
+int sd_rtnl_message_route_get_dst_prefixlen(sd_rtnl_message *m, unsigned char *dst_len);
+int sd_rtnl_message_route_get_src_prefixlen(sd_rtnl_message *m, unsigned char *src_len);
+
+int sd_rtnl_message_neigh_set_flags(sd_rtnl_message *m, uint8_t flags);
+int sd_rtnl_message_neigh_set_state(sd_rtnl_message *m, uint16_t state);
+int sd_rtnl_message_neigh_get_family(sd_rtnl_message *m, int *family);
+int sd_rtnl_message_neigh_get_ifindex(sd_rtnl_message *m, int *family);
+int sd_rtnl_message_neigh_get_state(sd_rtnl_message *m, uint16_t *state);
+int sd_rtnl_message_neigh_get_flags(sd_rtnl_message *m, uint8_t *flags);