find_route
f = find_route(routes, rt, &l, NULL);
if ((find_route(nrs, rt, NULL, NULL)) != NULL)
if ((or = find_route(routes, rt, &rtl, NULL))) {
if (find_route(nrs, rt, NULL, NULL) == NULL)
if (!find_route(routes, rt, NULL, NULL))
if (!find_route(origin, mask)) {
static int find_route(u_int32_t origin, u_int32_t mask);