diff --git a/lib/table.h b/lib/table.h
new file mode 100644
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--- /dev/null
+++ b/lib/table.h
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+/*
+ * Routing Table
+ * Copyright (C) 1998 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_TABLE_H
+#define _ZEBRA_TABLE_H
+
+/* Routing table top structure. */
+struct route_table
+{
+  struct route_node *top;
+};
+
+/* Each routing entry. */
+struct route_node
+{
+  /* Actual prefix of this radix. */
+  struct prefix p;
+
+  /* Tree link. */
+  struct route_table *table;
+  struct route_node *parent;
+  struct route_node *link[2];
+#define l_left   link[0]
+#define l_right  link[1]
+
+  /* Lock of this radix */
+  unsigned int lock;
+
+  /* Each node of route. */
+  void *info;
+
+  /* Aggregation. */
+  void *aggregate;
+};
+
+/* Prototypes. */
+struct route_table *route_table_init (void);
+void route_table_finish (struct route_table *);
+void route_unlock_node (struct route_node *node);
+void route_node_delete (struct route_node *node);
+struct route_node *route_top (struct route_table *);
+struct route_node *route_next (struct route_node *);
+struct route_node *route_next_until (struct route_node *, struct route_node *);
+struct route_node *route_node_get (struct route_table *, struct prefix *);
+struct route_node *route_node_lookup (struct route_table *, struct prefix *);
+struct route_node *route_lock_node (struct route_node *node);
+struct route_node *route_node_match (struct route_table *, struct prefix *);
+struct route_node *route_node_match_ipv4 (struct route_table *,
+					  struct in_addr *);
+#ifdef HAVE_IPV6
+struct route_node *route_node_match_ipv6 (struct route_table *,
+					  struct in6_addr *);
+#endif /* HAVE_IPV6 */
+
+#endif /* _ZEBRA_TABLE_H */