Index: common/message.h
===================================================================
--- common/message.h	(revision 171c4fe27d3dc99de40df4f9db5468be6790acc3)
+++ common/message.h	(revision 2318ffff1f3b22cd0e452eaff6c10a7e677b6c3a)
@@ -2,7 +2,8 @@
 #define _MESSAGE_H
 
-#define MSG_TYPE_LOGIN  1
-#define MSG_TYPE_LOGOUT 2
-#define MSG_TYPE_CHAT   3
+#define MSG_TYPE_REGISTER     1
+#define MSG_TYPE_LOGIN        2
+#define MSG_TYPE_LOGOUT       3
+#define MSG_TYPE_CHAT         4
 
 typedef struct