adler32 compress compress2 crc32 deflate deflateCopy deflateEnd deflateInit2_ deflateInit_ deflateParams deflateReset deflateSetDictionary get_crc_table gzclose gzdopen gzeof gzerror gzflush gzgetc gzopen gzputc gzread gzrewind gzseek gzsetparams gztell gzwrite inflate inflateEnd inflateInit2_ inflateInit_ inflateReset inflateSetDictionary inflateSync inflateSyncPoint uncompress zError zlibVersion