diff --git a/a3/binary_search_tree.c b/a3/binary_search_tree.c
index 93946a7..18e516f 100644
--- a/a3/binary_search_tree.c
+++ b/a3/binary_search_tree.c
@@ -4,6 +4,12 @@
 // Deklarace proměnné sorted_index
 static int sorted_index;
 
+// Deklarace funkce insert
+node_t* insert(node_t *node, int data);
+
+// Deklarace funkce inorder_traversal
+void inorder_traversal(node_t *node, int *sorted);
+
 // Definice funkce insert
 node_t* insert(node_t *node, int data) {
     if (node == NULL) {