In Zlib (DEFLATE LZ77) code I found Window size but I am not able to understand Window size properly.If any one help me to understand about window size I will be thank full to him.
In site http://www.zlib.net/
you see zlib source code,in this site you go to the line ---- version 1.2.3, tar.bz2 format (415K, MD5 checksum dee233bf288ee795ac96a98cc2e369b6); and chose US will get the code