--- a/bounds.c	Thu Jan 13 22:44:49 2011 +0100
+++ b/bounds.c	Thu Jan 13 22:46:46 2011 +0100
@@ -1,3 +1,9 @@
+/* Memory bounds …
+ * © 2010 Heiko Schlittermann <hs@schlittermann.de>
+ * based on a idea (see the first revision if you've access to the
+ * HG repository) of Frank Epperlein.
+ */
+
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>