gzs 440 lib/zlib/contrib/iostream3/zfstream.h setcompression(gzofstream &gzs, int l, int s = Z_DEFAULT_STRATEGY) gzs 442 lib/zlib/contrib/iostream3/zfstream.h (gzs.rdbuf())->setcompression(l, s); gzs 443 lib/zlib/contrib/iostream3/zfstream.h return gzs;