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diff --git a/print-ipcomp.c b/print-ipcomp.c
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+/*
+ * Copyright (c) 1988, 1989, 1990, 1991, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+/* \summary: IP Payload Compression Protocol (IPComp) printer */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#include "netdissect.h"
+#include "extract.h"
+
+struct ipcomp {
+	nd_uint8_t  comp_nxt;	/* Next Header */
+	nd_uint8_t  comp_flags;	/* Length of data, in 32bit */
+	nd_uint16_t comp_cpi;	/* Compression parameter index */
+};
+
+void
+ipcomp_print(netdissect_options *ndo, const u_char *bp)
+{
+	const struct ipcomp *ipcomp;
+	uint16_t cpi;
+
+	ndo->ndo_protocol = "ipcomp";
+	ipcomp = (const struct ipcomp *)bp;
+	cpi = GET_BE_U_2(ipcomp->comp_cpi);
+
+	ND_PRINT("IPComp(cpi=0x%04x)", cpi);
+
+	/*
+	 * XXX - based on the CPI, we could decompress the packet here.
+	 * Packet buffer management is a headache (if we decompress,
+	 * packet will become larger).
+	 *
+	 * We would decompress the packet and then call a routine that,
+	 * based on ipcomp->comp_nxt, dissects the decompressed data.
+	 *
+	 * Until we do that, however, we just return -1, so that
+	 * the loop that processes "protocol"/"next header" types
+	 * stops - there's nothing more it can do with a compressed
+	 * payload.
+	 */
+}