comment_type

 * @since 0.71
 *
 * @param string $commenttxt   Optional. String to display for comment type. Default false.
 * @param string $trackbacktxt Optional. String to display for trackback type. Default false.
 * @param string $pingbacktxt  Optional. String to display for pingback type. Default false.
 */
function comment_type( $commenttxt = false, $trackbacktxt = false, $pingbacktxt = false ) {
	if ( false === $commenttxt ) {
		$commenttxt = _x( 'Comment', 'noun' );
	}
	if ( false === $trackbacktxt ) {
		$trackbacktxt = __( 'Trackback' );
	}
	if ( false === $pingbacktxt ) {
		$pingbacktxt = __( 'Pingback' );
	}
	$type = get_comment_type();
	switch ( $type ) {
		case 'trackback':
			echo $trackbacktxt;
			break;
		case 'pingback':