Thanks for the suggestion, but I have already tried faster ways of  calculating 
the CRC and I do not think that the (small) increase in speed is  worth the 
increase of portability problems it causes.    I understand.  Have you got any 
idea why this:      c = crc32[(c ^ buffer[i]) & 0xFF] ^ ( c >> 8 ); 
/// lzip   is faster than this:      c = (c >> 8) ^ crc32[(c & 0xFF) 
^ buffer[i]]; /// sbrumme crc   ?  I noticed the difference in lzip (mentioned 
mod) and tested it here: ( pastebin.com https://pastebin.com/tkcMbTHR ). 
Although in this setup difference is smaller in lzip is more noticeable.  PS. 
What do you think about Time/Speed of de/compression summary ( lists.nongnu.org 
https://lists.nongnu.org/archive/html/lzip-bug/2022-02/msg00001.html )?

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