count_descendants  145 opal/class/opal_tree.c         current_count += count_descendants(opal_tree_get_first_child(item));
count_descendants  168 opal/class/opal_tree.c         check_len = count_descendants(root);
count_descendants  311 opal/class/opal_tree.c     item->opal_tree_container->opal_tree_num_items -= count_descendants(item);