int loc_network_overlaps(struct loc_network* self, struct loc_network* other);
int loc_network_is_subnet(struct loc_network* self, struct loc_network* other);
int loc_network_is_subnet_of(struct loc_network* self, struct loc_network* other);
-struct loc_network_list* loc_network_subnets(struct loc_network* network);
+int loc_network_subnets(struct loc_network* network, struct loc_network** subnet1, struct loc_network** subnet2);
struct loc_network_list* loc_network_exclude(
struct loc_network* self, struct loc_network* other);
struct loc_network_list* loc_network_exclude_list(