rtable_iterate
for (; rt != NULL; rt = rtable_iterate(rt)) {
for (; rt != NULL; rt = rtable_iterate(rt)) {
rt = rtable_iterate(rt);
prt = rtable_iterate(prt);
struct rtentry *rtable_iterate(struct rtentry *);
while ((rt = rtable_iterate(rt)) != NULL) {
} while ((rt = rtable_iterate(rt)) != NULL);
} while ((rt = rtable_iterate(rt)) != NULL);
} while ((rt = rtable_iterate(rt)) != NULL);
} while ((rt = rtable_iterate(rt)) != NULL);
} while ((rt = rtable_iterate(rt)) != NULL);
} while ((rt = rtable_iterate(rt)) != NULL);