(format nil "~A__imprint" class)
(let ((ilayout (sod-class-ilayout class)))
(format stream "~&~:
-/* Imprint raw memory with instance structure. */
-static void *~A__imprint(void *p)
+/* Imprint raw memory with class `~A' instance structure. */
+static void *~:*~A__imprint(void *p)
{
struct ~A *sod__obj = p;