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diff --git a/usr.sbin/pim6sd/inet6.h b/usr.sbin/pim6sd/inet6.h
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+/*
+ * Copyright (C) 1999 LSIIT Laboratory.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project 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 BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+/*
+ * Questions concerning this software should be directed to
+ * Mickael Hoerdt (hoerdt@clarinet.u-strasbg.fr) LSIIT Strasbourg.
+ *
+ */
+/*
+ * This program has been derived from pim6dd.
+ * The pim6dd program is covered by the license in the accompanying file
+ * named "LICENSE.pim6dd".
+ */
+/*
+ * This program has been derived from pimd.
+ * The pimd program is covered by the license in the accompanying file
+ * named "LICENSE.pimd".
+ *
+ */
+
+
+#ifndef INET6_H
+#define INET6_H
+#include "vif.h"
+
+extern int numerichost;
+
+extern int inet6_equal __P((struct sockaddr_in6 *sa1,
+ struct sockaddr_in6 *sa2));
+extern int inet6_lessthan __P((struct sockaddr_in6 *sa1,
+ struct sockaddr_in6 *sa2));
+extern int inet6_localif_address __P((struct sockaddr_in6 *sa,
+ struct uvif *v));
+extern int inet6_greaterthan __P((struct sockaddr_in6 *sa1,
+ struct sockaddr_in6 *sa2));
+extern int inet6_match_prefix __P((struct sockaddr_in6 *sa1,
+ struct sockaddr_in6 *sa2,
+ struct in6_addr *mask));
+extern int inet6_mask2plen __P((struct in6_addr *mask));
+extern int inet6_uvif2scopeid __P((struct sockaddr_in6 *sa, struct uvif *v));
+extern int inet6_valid_host __P((struct sockaddr_in6 *addr));
+extern char *inet6_fmt __P((struct in6_addr *addr));
+extern char *ifindex2str __P((int ifindex));
+extern char *net6name __P((struct in6_addr *prefix,
+ struct in6_addr *mask));
+
+
+
+#endif
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