whole_func_string: function SyncFile(path, flags, mode) {
    flags = flags || 'w';
    this.fd = fs.openSync(path, flags, mode);
    this.crc = new Crc64();
    this.converter = new Converter();
  }
func_code_string: function SyncFile(path, flags, mode) {
    flags = flags || 'w';
    this.fd = fs.openSync(path, flags, mode);
    this.crc = new Crc64();
    this.converter = new Converter();
  }
func_documentation_string: Synchronous file writer.