-/* if_en.c 6.6 85/05/01 */
+/*
+ * Copyright (c) 1982 Regents of the University of California.
+ * All rights reserved. The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ *
+ * @(#)if_en.c 6.8 (Berkeley) %G%
+ */
#include "en.h"
#include "../netinet/in_var.h"
#include "../netinet/ip.h"
#include "../netinet/ip_var.h"
+#ifdef PUP
#include "../netpup/pup.h"
#include "../netpup/ether.h"
+#endif
#include "../vax/cpu.h"
#include "../vax/mtpr.h"