WordPress at a glance
function is not described

wp_cache_add_to_buffer() WPSCache 1.0

No Hooks.

Return

Null. Nothing.

Usage

wp_cache_add_to_buffer( $buffer, $text );

Code of wp_cache_add_to_buffer() WPSCache 1.7.1

<?php
function wp_cache_add_to_buffer( &$buffer, $text ) {
	global $wp_super_cache_comments;

	if ( false == isset( $wp_super_cache_comments ) )
		$wp_super_cache_comments = 1;

	if ( $wp_super_cache_comments == 0 )
		return false;

	if ( strpos( $buffer, '<html' ) === false ) {
		wp_cache_debug( site_url( $_SERVER[ 'REQUEST_URI' ] ) . " - " . $text );
		return false;
	}

	$buffer .= "\n<!-- $text -->";
}