bp_get_activity_comment_user_link()

	function bp_get_activity_comment_user_link() {
		$user_link = bp_core_get_user_domain( bp_get_activity_comment_user_id() );

		/**
		 * Filters the author link for the activity comment currently being displayed.
		 *
		 * @since BuddyPress 1.5.0
		 *
		 * @param string $user_link Link for the author of the activity comment currently being displayed.
		 */
		return apply_filters( 'bp_activity_comment_user_link', $user_link );
	}