diff --git a/lib/plist.h b/lib/plist.h
new file mode 100644
index 0000000..9a9eb71
--- /dev/null
+++ b/lib/plist.h
@@ -0,0 +1,78 @@
+/*
+ * Prefix list functions.
+ * Copyright (C) 1999 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.
+ */
+
+#define AFI_ORF_PREFIX 65535
+
+enum prefix_list_type 
+{
+  PREFIX_DENY,
+  PREFIX_PERMIT,
+};
+
+enum prefix_name_type
+{
+  PREFIX_TYPE_STRING,
+  PREFIX_TYPE_NUMBER
+};
+
+struct prefix_list
+{
+  char *name;
+  char *desc;
+
+  struct prefix_master *master;
+
+  enum prefix_name_type type;
+
+  int count;
+  int rangecount;
+
+  struct prefix_list_entry *head;
+  struct prefix_list_entry *tail;
+
+  struct prefix_list *next;
+  struct prefix_list *prev;
+};
+
+struct orf_prefix
+{
+  u_int32_t seq;
+  u_char ge;
+  u_char le;
+  struct prefix p;
+};
+
+/* Prototypes. */
+void prefix_list_init (void);
+void prefix_list_reset (void);
+void prefix_list_add_hook (void (*func) (struct prefix_list *));
+void prefix_list_delete_hook (void (*func) (struct prefix_list *));
+
+struct prefix_list *prefix_list_lookup (afi_t, char *);
+enum prefix_list_type prefix_list_apply (struct prefix_list *, void *);
+
+struct stream *
+prefix_bgp_orf_entry (struct stream *, struct prefix_list *,
+                      u_char, u_char, u_char);
+int prefix_bgp_orf_set (char *, afi_t, struct orf_prefix *, int, int);
+void prefix_bgp_orf_remove_all (char *);
+int prefix_bgp_show_prefix_list (struct vty *, afi_t, char *);