V_id_array
if (V_id_array != NULL) {
free(V_id_array, M_IPID);
V_id_array = new_array;
bit_clear(V_id_bits, V_id_array[V_array_ptr]);
V_id_array[V_array_ptr] = new_id;
if (V_id_array != NULL) {
free(V_id_array, M_IPID);