| aggregator_refresh | drupal/modules/aggregator/aggregator.module | Checks a news feed for new items. |
| drupal_get_schema | drupal/includes/bootstrap.inc | Get the schema definition of a table, or the whole database schema. |
| drupal_mail | drupal/includes/mail.inc | Compose and optionally send an e-mail message. |
| drupal_prepare_form | drupal/includes/form.inc | Prepares a structured form array by adding required elements,
executing any hook_form_alter functions, and optionally inserting
a validation token to prevent tampering. |
| drupal_render | drupal/includes/common.inc | Renders HTML given a structured array tree. |
| drupal_retrieve_form | drupal/includes/form.inc | Retrieves the structured array that defines a given form. |
| form_execute_handlers | drupal/includes/form.inc | A helper function used to execute custom validation and submission
handlers for a given form. Button-specific handlers are checked
first. If none exist, the function falls back to form-level handlers. |
| image_get_available_toolkits | drupal/includes/image.inc | Return a list of available toolkits. |
| image_get_toolkit | drupal/includes/image.inc | Retrieve the name of the currently used toolkit. |
| image_toolkit_invoke | drupal/includes/image.inc | Invokes the given method using the currently selected toolkit. |
| menu_execute_active_handler | drupal/includes/menu.inc | Execute the page callback associated with the current path |
| module_enable | drupal/includes/module.inc | Enable a given list of modules. |
| module_hook | drupal/includes/module.inc | Determine whether a module implements a hook. |
| module_implements | drupal/includes/module.inc | Determine which modules are implementing a hook. |
| module_invoke_all | drupal/includes/module.inc | Invoke a hook in all enabled modules that implement it. |
| module_load_include | drupal/includes/module.inc | Load a module include file. |
| theme | drupal/includes/theme.inc | Generate the themed output. |
| xmlrpc_server_call | drupal/includes/xmlrpcs.inc | Dispatch the request and any parameters to the appropriate handler. |
| _form_builder_handle_input_element | drupal/includes/form.inc | Populate the #value and #name properties of input elements so they
can be processed and rendered. Also, execute any #process handlers
attached to a specific element. |
| _form_validate | drupal/includes/form.inc | Performs validation on form elements. First ensures required fields are
completed, #maxlength is not exceeded, and selected options were in the
list of options given to the user. Then calls user-defined validators. |
| _init_theme | drupal/includes/theme.inc | Initialize the theme system given already loaded information. This
function is useful to initialize a theme when no database is present. |
| _menu_item_localize | drupal/includes/menu.inc | Localize the router item title using t() or another callback. |
| _menu_router_build | drupal/includes/menu.inc | Helper function to build the router table based on the data from hook_menu. |