1 files changed, 2 insertions, 0 deletions
diff --git a/stack.h b/stack.h
index 3769fd5..daedca7 100644
--- a/stack.h
+++ b/stack.h
@@ -15,6 +15,8 @@ typedef struct {
 
 stack* stack_new();
 
+void stack_free(stack* s);
+
 stackitem stack_pop(stack* s);
 
 stackitem stack_peek(stack* s);