rtsearch
if ((rrt = rtsearch(np, NULL)) != NULL) {
rrt = rtsearch(np, NULL);
if (!rrt && (rrt = rtsearch(&ni6, NULL)) == NULL) {
if ((rrt = rtsearch(&ni6, NULL)) != NULL) {
if ((rrt = rtsearch(&ni6, NULL)) != NULL) {
search_rrt = rtsearch(np, &prev_rrt);
orrt = rtsearch(np, &prevrrt);
static struct riprt *rtsearch(struct netinfo6 *, struct riprt **);
orrt = rtsearch(np, NULL);