diff --git a/pimd/pim_msg.h b/pimd/pim_msg.h
new file mode 100644
index 0000000..228d6a8
--- /dev/null
+++ b/pimd/pim_msg.h
@@ -0,0 +1,52 @@
+/*
+  PIM for Quagga
+  Copyright (C) 2008  Everton da Silva Marques
+
+  This program 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 of the License, or
+  (at your option) any later version.
+
+  This program 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 this program; see the file COPYING; if not, write to the
+  Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+  MA 02110-1301 USA
+  
+  $QuaggaId: $Format:%an, %ai, %h$ $
+*/
+
+#ifndef PIM_MSG_H
+#define PIM_MSG_H
+
+#include <netinet/in.h>
+
+/*
+  Number       Description       
+  ----------   ------------------
+  0            Reserved
+  1            IP (IP version 4)
+  2            IP6 (IP version 6)
+
+  From:
+  http://www.iana.org/assignments/address-family-numbers
+*/
+#define PIM_MSG_ADDRESS_FAMILY_IPV4 (1)
+
+void pim_msg_build_header(char *pim_msg, int pim_msg_size,
+			  uint8_t pim_msg_type);
+char *pim_msg_addr_encode_ipv4_ucast(char *buf,
+				     int buf_size,
+				     struct in_addr addr);
+char *pim_msg_addr_encode_ipv4_group(char *buf,
+				     int buf_size,
+				     struct in_addr addr);
+char *pim_msg_addr_encode_ipv4_source(char *buf,
+				      int buf_size,
+				      struct in_addr addr);
+
+#endif /* PIM_MSG_H */