diff --git a/libfdproto/fdproto-internal.h b/libfdproto/fdproto-internal.h
new file mode 100644
index 0000000..a328c57
--- /dev/null
+++ b/libfdproto/fdproto-internal.h
@@ -0,0 +1,65 @@
+/*********************************************************************************************************
+* Software License Agreement (BSD License)                                                               *
+* Author: Sebastien Decugis <sdecugis@freediameter.net>							 *
+*													 *
+* Copyright (c) 2013, WIDE Project and NICT								 *
+* All rights reserved.											 *
+* 													 *
+* Redistribution and use of this software in source and binary forms, with or without modification, are  *
+* permitted provided that the following conditions are met:						 *
+* 													 *
+* * Redistributions of source code must retain the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer.										 *
+*    													 *
+* * Redistributions in binary form must reproduce the above 						 *
+*   copyright notice, this list of conditions and the 							 *
+*   following disclaimer in the documentation and/or other						 *
+*   materials provided with the distribution.								 *
+* 													 *
+* * Neither the name of the WIDE Project or NICT nor the 						 *
+*   names of its contributors may be used to endorse or 						 *
+*   promote products derived from this software without 						 *
+*   specific prior written permission of WIDE Project and 						 *
+*   NICT.												 *
+* 													 *
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED *
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
+* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR *
+* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 	 *
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 	 *
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR *
+* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF   *
+* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.								 *
+*********************************************************************************************************/
+
+/* This file contains the definitions for internal use in the freeDiameter protocol library */
+
+#ifndef _LIBFDPROTO_INTERNAL_H
+#define _LIBFDPROTO_INTERNAL_H
+
+#include <freeDiameter/freeDiameter-host.h>
+#include <freeDiameter/libfdproto.h>
+
+/* Internal to the library */
+extern const char * type_base_name[];
+void fd_msg_eteid_init(void);
+int fd_sess_init(void);
+void fd_sess_fini(void);
+
+/* Iterator on the rules of a parent object */
+int fd_dict_iterate_rules ( struct dict_object *parent, void * data, int (*cb)(void *, struct dict_rule_data *) );
+
+/* Dispatch / messages / dictionary API */
+int fd_dict_disp_cb(enum dict_object_type type, struct dict_object *obj, struct fd_list ** cb_list);
+DECLARE_FD_DUMP_PROTOTYPE(fd_dict_dump_avp_value, union avp_value *avp_value, struct dict_object * model, int indent, int header);
+int fd_disp_call_cb_int( struct fd_list * cb_list, struct msg ** msg, struct avp *avp, struct session *sess, enum disp_action *action, 
+			struct dict_object * obj_app, struct dict_object * obj_cmd, struct dict_object * obj_avp, struct dict_object * obj_enu,
+			char ** drop_reason, struct msg ** drop_msg);
+extern pthread_rwlock_t fd_disp_lock;
+
+/* Messages / sessions API */
+int fd_sess_reclaim_msg ( struct session ** session );
+
+
+#endif /* _LIBFDPROTO_INTERNAL_H */