WordPress at a glance
function is not described

locale_stylesheet() WP 2.1.0

Display localized stylesheet link element.

No Hooks.

Return

Nothing (null).

Usage

locale_stylesheet();

Code of locale stylesheet: wp-includes/theme.php WP 5.2.2

<?php
function locale_stylesheet() {
	$stylesheet = get_locale_stylesheet_uri();
	if ( empty( $stylesheet ) ) {
		return;
	}
	echo '<link rel="stylesheet" href="' . $stylesheet . '" type="text/css" media="screen" />';
}