addrtree_insert
void addrtree_insert(struct addrtree *tree, const addrkey_t *addr,
addrtree_insert(tree, (addrkey_t*)edns->subnet_addr,
addrtree_insert(t, k, l, 64, elem, timenow + 10, timenow, 0);
addrtree_insert(t, k, l, 64, elem, i + 10, i, 0);
addrtree_insert(t, k, l, 64, elem, i + 10, i, 0);