1 files changed, 7 insertions, 9 deletions

diff --git a/tree.c b/tree.c
index 8d4efe9..f8277cd 100644
--- a/tree.c
+++ b/tree.c
@@ -16,15 +16,7 @@ struct tree_node {
                                  /* ggf. weitere Felder... */
 };
 
-static bool tree_isBstUntil(struct tree_node *tree, int min, int max);
-
-bool
-tree_isBst(struct tree_node *tree)
-{
-        return tree_isBstUntil(tree, INT_MIN, INT_MAX);
-}
-
-bool
+static bool
 tree_isBstUntil(struct tree_node *tree, int min, int max)
 {
         if ( tree == NULL )
@@ -37,6 +29,12 @@ tree_isBstUntil(struct tree_node *tree, int min, int max)
                tree_isBstUntil(tree->right, tree->key + 1, max);
 }
 
+bool
+tree_isBst(struct tree_node *tree)
+{
+        return tree_isBstUntil(tree, INT_MIN, INT_MAX);
+}
+
 struct tree_node *
 tree_insert(struct tree_node *tree, T key)
 {