1 files changed, 22 insertions, 0 deletions
diff --git a/lib/tree.h b/lib/tree.h
new file mode 100644
index 0000000..dc22c2d
--- /dev/null
+++ b/lib/tree.h
@@ -0,0 +1,22 @@
+
+#pragma once
+
+#include <inttypes.h>
+#include <stdlib.h>
+#include <stdbool.h>
+
+#include "types.h"
+
+typedef struct node_t {
+  v_t value;
+  v_t level;
+  struct node_t *left;
+  struct node_t *right;
+} node_t;
+
+void tree_insert(node_t **T, v_t x);
+
+bool tree_contains(node_t *T, v_t x);
+
+void tree_freeNode(node_t *T);
+