RT_ADDR
if (sr == RT_ADDR)
rtp = RT_ADDR;
rt_end = RT_ADDR;
for (prev_r = RT_ADDR, r = routing_table;
r = RT_ADDR;
for (r = rt_end; r != RT_ADDR; r = r->rt_prev) {
for (r = start_rt; r != RT_ADDR; r = r->rt_prev) {