nx_union_ref nx_union_ref_chain(nx_union_ref l1, nx_union_ref l2)
{ return CAST(nx_union_ref, AST_node_chain(CAST(node, l1), CAST(node, l2))); }
+target_attribute target_attribute_chain(target_attribute l1, target_attribute l2)
+{ return CAST(target_attribute, AST_node_chain(CAST(node, l1), CAST(node, l2))); }
+