contrib/zlib/zlib.h

542                                  int windowBits,
552      The windowBits parameter is the base two logarithm of the window size
558      For the current implementation of deflate(), a windowBits value of 8 (a
566      windowBits can also be -8..-15 for raw deflate.  In this case, -windowBits
570      windowBits can also be greater than 15 for optional gzip encoding.  Add
571    16 to windowBits to write a simple gzip header and trailer around the
586    as a function of windowBits and memLevel.
835                                  int windowBits);
841      The windowBits parameter is the base two logarithm of the maximum window
844    instead.  windowBits must be greater than or equal to the windowBits value
850      windowBits can also be zero to request that inflate use the window size in
853      windowBits can also be -8..-15 for raw inflate.  In this case, -windowBits
863    above on the use in deflateInit2() applies to the magnitude of windowBits.
865      windowBits can also be greater than 15 for optional gzip decoding.  Add
866    32 to windowBits to enable zlib and gzip decoding with automatic header
973                                   int windowBits);
976    the wrap and window size requests.  The windowBits parameter is interpreted
983    the windowBits parameter is invalid.
1076 ZEXTERN int ZEXPORT inflateBackInit(z_streamp strm, int windowBits,
1082    derived memory allocation routines are used.  windowBits is the base two
1085    assured that deflate was used with small window sizes, windowBits must be 15
1794                                   int windowBits, int memLevel,
1797 ZEXTERN int ZEXPORT inflateInit2_(z_streamp strm, int  windowBits,
1799 ZEXTERN int ZEXPORT inflateBackInit_(z_streamp strm, int windowBits,
1808 #  define z_deflateInit2(strm, level, method, windowBits, memLevel, strategy) \
1809           deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\
1811 #  define z_inflateInit2(strm, windowBits) \
1812           inflateInit2_((strm), (windowBits), ZLIB_VERSION, \
1814 #  define z_inflateBackInit(strm, windowBits, window) \
1815           inflateBackInit_((strm), (windowBits), (window), \
1822 #  define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \
1823           deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\
1825 #  define inflateInit2(strm, windowBits) \
1826           inflateInit2_((strm), (windowBits), ZLIB_VERSION, \
1828 #  define inflateBackInit(strm, windowBits, window) \
1829           inflateBackInit_((strm), (windowBits), (window), \