Include-only-once ifdefs added.

(Async): Added ay_dummy_last
(ASYNC_DEFAULT_MESSAGES): New define.

src/server/async.h

 /*
- * $Id: async.h,v 0.6 1995/01/01 20:17:19 ceder Exp $
+ * $Id: async.h,v 0.7 1996/06/14 15:34:29 byers Exp $
  * Copyright (C) 1991, 1994, 1995  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -23,13 +23,16 @@
  * Please mail bug reports to bug-lyskom@lysator.liu.se. 
  */
 /*
- * $Id: async.h,v 0.6 1995/01/01 20:17:19 ceder Exp $
+ * $Id: async.h,v 0.7 1996/06/14 15:34:29 byers Exp $
  *
  * This file contains the parts of the async protocol that are common
  * to the server and the client.
  */
 
 
+#ifndef LYSKOM_ASYNC_H
+#define LYSKOM_ASYNC_H
+
 /*
  * What does this packet contain? (See doc/com-spec)
  */
@@ -53,6 +56,18 @@ typedef enum {
 				/* A connection attempt was rejected
 	       			   because LysKOM is full. */
 	ay_send_message = 12,	/* A message is sent. */
-	ay_logout = 13		/* Someone logs out. */
+	ay_logout = 13,		/* Someone logs out. */
+        ay_dummy_last           /* Keep this last in the list */
 } Async;
 
+#define ASYNC_DEFAULT_MESSAGES  { ay_new_text, \
+                                  ay_new_name, \
+                                  ay_sync_db, \
+                                  ay_login, \
+                                  ay_rejected_connection, \
+                                  ay_send_message, \
+                                  ay_logout }
+
+
+
+#endif