diff --git a/cli.h b/cli.h
index e69de29..696fa3f 100644
--- a/cli.h
+++ b/cli.h
@@ -0,0 +1,9 @@
+#ifndef CLI_H
+#define CLI_H
+
+#include "engine.h"
+
+int cli_process_line(Engine *engine, const char *line);
+void cli_run(Engine *engine);
+
+#endif /* CLI_H */