--- ddd-3.3.12.orig/ddd/strclass.C	2009-02-11 09:25:06.000000000 -0800
+++ ddd-3.3.12/ddd/strclass.C	2009-11-10 13:00:34.000000000 -0800
@@ -39,6 +39,7 @@
 #include <limits.h>
 #include <new>
 #include <stdlib.h>
+#include <stdio.h>
 
 void string::error(const char* msg) const
 {