ERR_RETURN        565 lib/zlib/deflate.c         ERR_RETURN(strm, Z_STREAM_ERROR);
ERR_RETURN        567 lib/zlib/deflate.c     if (strm->avail_out == 0) ERR_RETURN(strm, Z_BUF_ERROR);
ERR_RETURN        773 lib/zlib/deflate.c         ERR_RETURN(strm, Z_BUF_ERROR);
ERR_RETURN        778 lib/zlib/deflate.c         ERR_RETURN(strm, Z_BUF_ERROR);