--- a/session.h	Sun Apr 14 23:08:57 2013 +0800
+++ b/session.h	Sun Apr 14 23:16:16 2013 +0800
@@ -135,8 +135,9 @@
 	unsigned dataallowed : 1; /* whether we can send data packets or we are in
 								 the middle of a KEX or something */
 
-	unsigned char requirenext; /* byte indicating what packet we require next, 
-								or 0x00 for any */
+	unsigned char requirenext[2]; /* bytes indicating what packets we require next, 
+									 or 0x00 for any. Second option can only be
+									 used if the first byte is also set */
 
 	unsigned char ignorenext; /* whether to ignore the next packet,
 								 used for kex_follows stuff */