left_child        606 opal/class/opal_tree.c     opal_tree_item_t *left_child = NULL, *right_child = NULL;
left_child        632 opal/class/opal_tree.c     for(left_child  = opal_tree_get_first_child(left),        right_child  = opal_tree_get_first_child(right);
left_child        633 opal/class/opal_tree.c         left_child != NULL &&                                 right_child != NULL;
left_child        634 opal/class/opal_tree.c         left_child  = opal_tree_get_next_sibling(left_child), right_child  = opal_tree_get_next_sibling(right_child) ) {
left_child        636 opal/class/opal_tree.c         if( 0 != (ret = opal_tree_compare_subtrees(tree_left, tree_right, left_child, right_child)) ) {