171    * Packet is compressible -- we're going to send either a  in vj_compress_tcp()
172    * COMPRESSED_TCP or UNCOMPRESSED_TCP packet.  Either way we need  in vj_compress_tcp()
175    * again & we don't have to do any reordering if it's used.  in vj_compress_tcp()
189      * we want is almost always near the front, we locate  in vj_compress_tcp()
190      * states via linear search.  If we don't find a state  in vj_compress_tcp()
209      * connection number we're using for this conversation.  in vj_compress_tcp()
211      * state points to the newest and we only need to set  in vj_compress_tcp()
248    * Make sure that only what we expect to change changed. The first  in vj_compress_tcp()
255    * different between the previous & current datagram, we send the  in vj_compress_tcp()
280      * doesn't prohibit the change so we have to deal  in vj_compress_tcp()
313      * an ack (normal on an interactive connection) and we send  in vj_compress_tcp()
359    * Grab the cksum before we overwrite it below.  Then update our  in vj_compress_tcp()
366    * We want to use the original packet as our compressed packet.  in vj_compress_tcp()
367    * (cp - new_seq) is the number of bytes we need for compressed  in vj_compress_tcp()
368    * sequence numbers.  In addition we need one byte for the change  in vj_compress_tcp()
379       /* Can we cope with this failing?  Just assert for now */  in vj_compress_tcp()
388       /* Can we cope with this failing?  Just assert for now */  in vj_compress_tcp()
402    * a regular ip/tcp packet but with the 'conversation id' we hope  in vj_compress_tcp()
413  * Called when we may have missed a packet.
480      * If we have a good state index, clear the 'discard' flag.   in vj_uncompress_tcp()
491      * this packet has an implicit state index.  If we've  in vj_uncompress_tcp()
492      * had a line error since the last time we got an  in vj_uncompress_tcp()
493      * explicit state index, we have to toss the packet.   in vj_uncompress_tcp()
563      * We must have dropped some characters (crc should detect  in vj_uncompress_tcp()
590     /* Can we cope with this failing?  Just assert for now */  in vj_uncompress_tcp()
606       /* Can we cope with this failing?  Just assert for now */  in vj_uncompress_tcp()