for_each_label
for_each_label(node->labels, l)
for_each_label(prop->labels, l)
for_each_label(labels, l) {
for_each_label(labels, l) {
for_each_label(labels, l) {
for_each_label(re->labels, l) {
for_each_label(*labels, label)
for_each_label(prop->labels, l)
for_each_label(tree->labels, l)
for_each_label(node->labels, l) {
for_each_label(tree->labels, l)
for_each_label(prop->labels, l)
for_each_label(re->labels, l)