Index: src/c3po/structur.h
===================================================================
--- src/c3po/structur.h	(revision 835)
+++ src/c3po/structur.h	(working copy)
@@ -20,6 +20,10 @@
 
 */
 
+#ifdef WCD_UNICODE
+#include <wchar.h>
+#endif
+
 #ifndef C3PO_BASIC_TYPES_INCLUDED
 #define C3PO_BASIC_TYPES_INCLUDED