whole_func_string: function end() {
    this.writeBuffer(this.crc.value());
    fs.closeSync(this.fd);
  
    this.fd = null;
    this.crc = null;
    this.converter = null;
  }
func_code_string: function end() {
    this.writeBuffer(this.crc.value());
    fs.closeSync(this.fd);
  
    this.fd = null;
    this.crc = null;
    this.converter = null;
  }
func_documentation_string: Write the crc checksum to the file.