-struct message *message_create(int id_from, int id_to, int flow, int type);
-void message_put(struct message *message);
-struct message *message_forward(int id_from, int id_to, int flow, union parameter *param);
-struct message *message_get(void);
-void message_free(struct message *message);
+struct lcr_msg *message_create(int id_from, int id_to, int flow, int type);
+void message_put(struct lcr_msg *message);
+struct lcr_msg *message_forward(int id_from, int id_to, int flow, union parameter *param);
+struct lcr_msg *message_get(void);
+void message_free(struct lcr_msg *message);