--- /dev/null
+/*!\file netinet6/ip6.h
+ * \note Obsolete. Use netinet/ip6.h.
+ */
+
+/* $FreeBSD: src/sys/netinet6/ip6.h,v 1.5 2000/07/04 16:35:09 itojun Exp $ */
+/* $KAME: ip6.h,v 1.7 2000/03/25 07:23:36 sumikawa Exp $ */
+
+#error "netinet6/ip6.h is obsolete. use netinet/ip6.h"