foreach (module_implements('search') as $name) {
    $items['search/'. $name] = array(
      'title' => module_invoke($name, 'search', 'name', TRUE),
      'page callback' => 'search_view',
      'page arguments' => array($name),
      'access callback' => '_search_menu',
      'access arguments' => array($name),
      'replacements' => 'search/'. $name .'/[search_get_keys]',
      'type' => $name == 'node' ? MENU_DEFAULT_LOCAL_TASK : MENU_LOCAL_TASK,
      'parent' => 'search',
    );
  }