avl_tree: add avl_tree_prev_in_order()

[wimlib] / include / wimlib / avl_tree.h

diff --git a/include/wimlib/avl_tree.h b/include/wimlib/avl_tree.h
index ddc1ba7c41d00d3d2acdf737000bfe3cbddbd361..2e07e03c5b7e3dff40663ce0eff81fbd774609ab 100644 (file)
--- a/include/wimlib/avl_tree.h
+++ b/include/wimlib/avl_tree.h
@@ -262,7 +262,10 @@ extern struct avl_tree_node *
 avl_tree_first_in_order(const struct avl_tree_node *root);
 
 extern struct avl_tree_node *
-avl_tree_next_in_order(const struct avl_tree_node *prev);
+avl_tree_next_in_order(const struct avl_tree_node *node);
+
+extern struct avl_tree_node *
+avl_tree_prev_in_order(const struct avl_tree_node *node);
 
 extern struct avl_tree_node *
 avl_tree_first_in_postorder(const struct avl_tree_node *root);