/* all nodes given in the list will be freed when freeing this one */
/* avoid using this function directly, prefer the macro EC_NODE_SUBSET() or
* ec_node_subset() + ec_node_subset_add() */
/* all nodes given in the list will be freed when freeing this one */
/* avoid using this function directly, prefer the macro EC_NODE_SUBSET() or
* ec_node_subset() + ec_node_subset_add() */