meshlink_node_t **nodes = meshlink_get_all_nodes(mesh, NULL, &node_count);
meshlink_edge_t **edges = meshlink_get_all_edges_state(mesh, NULL, &edge_count);
meshlink_node_t **nodes = meshlink_get_all_nodes(mesh, NULL, &node_count);
meshlink_edge_t **edges = meshlink_get_all_edges_state(mesh, NULL, &edge_count);