diff --git a/ospf6d/ospf6_network.h b/ospf6d/ospf6_network.h
index 934cce5..9a4d795 100644
--- a/ospf6d/ospf6_network.h
+++ b/ospf6d/ospf6_network.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1999 Yasuhiro Ohara
+ * Copyright (C) 2003 Yasuhiro Ohara
  *
  * This file is part of GNU Zebra.
  *
@@ -24,35 +24,27 @@
 
 
 
-/* Function Prototypes */
-void iov_clear (struct iovec *, size_t);
-int iov_count (struct iovec *);
-int iov_totallen (struct iovec *);
-void *iov_prepend (int, struct iovec *, size_t);
-void *iov_append (int, struct iovec *, size_t);
-void *iov_attach_last (struct iovec *, void *, size_t);
-void *iov_detach_first (struct iovec *);
-int iov_free (int, struct iovec *, u_int, u_int);
-void iov_trim_head (int, struct iovec *);
-void iov_free_all (int, struct iovec *);
-void iov_copy_all (struct iovec *, struct iovec *, size_t);
+extern int ospf6_sock;
+extern struct in6_addr allspfrouters6;
+extern struct in6_addr alldrouters6;
 
-int ospf6_serv_sock ();
-int ospf6_join_allspfrouters (u_int);
-void ospf6_leave_allspfrouters (u_int);
-void ospf6_join_alldrouters (u_int);
-void ospf6_leave_alldrouters (u_int);
+/* Function Prototypes */
 void ospf6_set_reuseaddr ();
 void ospf6_reset_mcastloop ();
 void ospf6_set_pktinfo ();
 void ospf6_set_checksum ();
 
-void ospf6_sendmsg (struct in6_addr *, struct in6_addr *,
-                    unsigned int *, struct iovec *);
-void ospf6_recvmsg (struct in6_addr *, struct in6_addr *,
-                    unsigned int *, struct iovec *);
-void ospf6_recvmsg_peek (struct in6_addr *, struct in6_addr *,
-                         unsigned int *, struct iovec *);
+int ospf6_serv_sock ();
+
+void ospf6_join_allspfrouters (u_int);
+void ospf6_leave_allspfrouters (u_int);
+void ospf6_join_alldrouters (u_int);
+void ospf6_leave_alldrouters (u_int);
+
+int ospf6_sendmsg (struct in6_addr *, struct in6_addr *,
+                   unsigned int *, struct iovec *);
+int ospf6_recvmsg (struct in6_addr *, struct in6_addr *,
+                   unsigned int *, struct iovec *);
 
 #endif /* OSPF6_NETWORK_H */