add_route_flags
return (add_route_flags(rnh, rt, rnd, op_flags, rc));
error = add_route_flags(rh_dst, rt_new, &rnd, op_flags, rc);
return (add_route_flags(rnh, rt, &rnd_add, op_flags, rc));
static int add_route_flags(struct rib_head *rnh, struct rtentry *rt,