#include <stl_config.h>
#include <stl_relops.h>
-#include <stddef.h>
+#include <stddef.h> /* XXX should use <cstddef> */
+#if 0 /* XXX define a flag for this */
+#include <iostream>
+#else
#include <iostream.h>
+#endif
#include <stl_iterator.h>
#endif /* __SGI_STL_ITERATOR */