--- lex.c.orig	Mon May 11 20:43:36 1992
+++ lex.c	Thu Jul 30 20:26:51 1998
@@ -384,11 +384,11 @@
 	ctl('z'), 0
 };
 
-void
+int
 charout(c)
 int c;
 {
-	(void)putchar(c);
+	return putchar(c);
 }
 
 void