--- tol.c.orig	Fri Jun 24 19:03:05 2011
+++ tol.c	Fri Jun 24 19:03:18 2011
@@ -11,6 +11,7 @@
 static char rcsid[]= "$Header: /var/www/space/cvs/ports/textproc/spiff/patches/patch-tol_c,v 1.2 2022/03/11 20:03:31 naddy Exp $";
 #endif
 
+#include <stdio.h>
 #include "misc.h"
 #include "float.h"
 #include "tol.h"