--- ddd/strclass.C.gcc	2010-02-19 13:24:04.000000000 +0100
+++ ddd/strclass.C	2010-02-19 13:24:32.000000000 +0100
@@ -17,6 +17,8 @@
 License along with this library; if not, see <http://www.gnu.org/licenses/>.
 */
 
+#include <cstdio>
+
 char strclass_rcsid[] = 
     "$Id$";