Initial revision
diff --git a/bgpd/bgp_community.h b/bgpd/bgp_community.h
new file mode 100644
index 0000000..58b3f9e
--- /dev/null
+++ b/bgpd/bgp_community.h
@@ -0,0 +1,68 @@
+/* Community attribute related functions.
+ 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. */
+
+/* Communities attribute. */
+struct community
+{
+ /* Reference count of communities value. */
+ unsigned long refcnt;
+
+ /* Communities value size. */
+ int size;
+
+ /* Communities value. */
+ u_int32_t *val;
+
+ /* String of community attribute. This sring is used by vty output
+ and expanded community-list for regular expression match. */
+ char *str;
+};
+
+/* Well-known communities value. */
+#define COMMUNITY_INTERNET 0x0
+#define COMMUNITY_NO_EXPORT 0xFFFFFF01
+#define COMMUNITY_NO_ADVERTISE 0xFFFFFF02
+#define COMMUNITY_NO_EXPORT_SUBCONFED 0xFFFFFF03
+#define COMMUNITY_LOCAL_AS 0xFFFFFF03
+
+/* Macros of community attribute. */
+#define com_length(X) ((X)->size * 4)
+#define com_lastval(X) ((X)->val + (X)->size - 1)
+#define com_nthval(X,n) ((X)->val + (n))
+
+/* Prototypes of communities attribute functions. */
+void community_init ();
+void community_free (struct community *);
+struct community *community_uniq_sort (struct community *);
+struct community *community_parse (char *, u_short);
+struct community *community_intern (struct community *);
+void community_unintern (struct community *);
+char *community_str (struct community *);
+unsigned int community_hash_make (struct community *);
+struct community *community_str2com (char *);
+int community_match (struct community *, struct community *);
+int community_cmp (struct community *, struct community *);
+struct community *community_merge (struct community *, struct community *);
+struct community *community_delete (struct community *, struct community *);
+struct community *community_dup (struct community *);
+int community_include (struct community *, u_int32_t);
+void community_del_val (struct community *, u_int32_t *);
+unsigned long community_count ();
+struct hash *community_hash ();