Garbar
9/27/2013 - 4:31 PM

From https://api.drupal.org/api/drupal/includes%21module.inc/function/module_load_include/7

  // Load node.admin.inc from the node module.
  module_load_include('inc', 'node', 'node.admin');
  // Load content_types.inc from the node module.
  module_load_include('inc', 'node', 'content_types');