42     var $gzfile = null;  variable in File_Archive_Reader_Gzip
50         if ($this->gzfile !== null) {
51             gzclose($this->gzfile);
59         $this->gzfile = null;
84             $this->gzfile = gzopen($dataFilename, 'r');
94             $this->gzfile = gzopen($this->tmpName, 'r');
130                 $newData = gzread($this->gzfile, 8192);
136             $data = gzread($this->gzfile, $length);
151                 $tmp = gzread($this->gzfile, 8192);
155             if (@gzseek($this->gzfile, $this->filePos + $length) === -1) {
170             if (@gzseek($this->gzfile, 0) === -1) {
179             if (@gzseek($this->gzfile, $this->filePos - $length) === -1) {