check_tree_and_list
check_tree_and_list(outnet, --i);
check_tree_and_list(outnet, total);
check_tree_and_list(outnet, total-1);
check_tree_and_list(outnet, total);
check_tree_and_list(outnet, --total);
check_tree_and_list(&outnet, i+1);
check_tree_and_list(&outnet, outnet.num_tcp);