diff --git a/zebra/connected.h b/zebra/connected.h
new file mode 100644
index 0000000..7bf13ba
--- /dev/null
+++ b/zebra/connected.h
@@ -0,0 +1,60 @@
+/*
+ * Interface's address and mask.
+ * Copyright (C) 1997 Kunihiro Ishiguro
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Zebra; see the file COPYING.  If not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.  
+ */
+
+#ifndef _ZEBRA_CONNECTED_H
+#define _ZEBRA_CONNECTED_H
+
+struct connected *
+connected_check_ipv4 (struct interface *ifp, struct prefix *p);
+
+void
+connected_add_ipv4 (struct interface *ifp, int flags, struct in_addr *addr, 
+		    int prefixlen, struct in_addr *broad, char *label);
+
+void
+connected_delete_ipv4 (struct interface *ifp, int flags, struct in_addr *addr,
+		       int prefixlen, struct in_addr *broad, char *label);
+
+void
+connected_up_ipv4 (struct interface *, struct connected *);
+void
+connected_down_ipv4 (struct interface *, struct connected *);
+
+#ifdef HAVE_IPV6
+struct connected *
+connected_check_ipv6 (struct interface *ifp, struct prefix *p);
+
+void
+connected_add_ipv6 (struct interface *ifp, struct in6_addr *address,
+		    int prefixlen, struct in6_addr *broad);
+void
+connected_delete_ipv6 (struct interface *ifp, struct in6_addr *address,
+		       int prefixlen, struct in6_addr *broad);
+void
+connected_up_ipv6 (struct interface *, struct connected *);
+
+void
+connected_down_ipv6 (struct interface *ifp, struct connected *);
+
+#endif /* HAVE_IPV6 */
+
+#endif /*_ZEBRA_CONNECTED_H */