--- input.c.orig	Fri Apr 28 14:18:56 2017
+++ input.c	Fri Apr 28 14:19:16 2017
@@ -64,6 +64,7 @@ register TScreen *screen;
 	}
 }
 
+void
 Input (keyboard, screen, event, eightbit)
     register TKeyboard	*keyboard;
     register TScreen	*screen;
