wp-includes/comment-template.php:1888Displays the HTML content for reply to comment link.
$argsarrayoptionalarray()$commentint|WP_Commentoptionalnull$postint|WP_Postoptionalnullfunction comment_reply_link( $args = array(), $comment = null, $post = null ) { echo get_comment_reply_link( $args, $comment, $post );}Introduced in 2.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/comment-template.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.