gzsetparams
ZEXTERN int ZEXPORT gzsetparams(gzFile file, int level, int strategy);
if (gzsetparams(gzf, Z_BEST_COMPRESSION, Z_DEFAULT_STRATEGY) != Z_OK)
if (gzsetparams(gzf, Z_BEST_COMPRESSION, Z_DEFAULT_STRATEGY) != Z_OK)
if (gzsetparams(gzf, Z_BEST_COMPRESSION, Z_DEFAULT_STRATEGY) !=
ZEXTERN int ZEXPORT gzsetparams(gzFile, int, int);