1 files changed, 9 insertions, 0 deletions
diff --git a/lab04/ui.h b/lab04/ui.h
new file mode 100644
index 0000000..d7e2c9b
--- /dev/null
+++ b/lab04/ui.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Copyright (C) 2026 Richard Qin */
+
+#ifndef UI_H
+#define UI_H
+
+int ui_run(void);
+
+#endif /* LAB02_UI_H */