""

1 files changed, 3 insertions, 3 deletions

diff --git a/ui.h b/ui.h
index 6309151..d67c8c5 100644
--- a/ui.h
+++ b/ui.h
@@ -7,9 +7,9 @@
 #ifndef __UI_H_ /* include guard */
 #define __UI_H_
 
-void ui_print();
-void ui_loop();
-void ui_finish();
+void ui_print(void);
+void ui_loop(void);
+void ui_finish(void);
 void ui_tick(int);
 
 #endif /* __UI_H_ */