9 calls to module_hook()

drupal_check_module in drupal/includes/install.inc
Checks a module's requirements.
field_help in drupal/modules/field/field.module
Implements hook_help().
field_system_info_alter in drupal/modules/field/field.module
Implements hook_system_info_alter().
help_page in drupal/modules/help/help.admin.inc
Menu callback; prints a page listing general help for a module.
module_disable in drupal/includes/module.inc
Disables a given set of modules.
module_invoke in drupal/includes/module.inc
Invokes a hook in a particular module.
node_hook in drupal/modules/node/node.module
Determines whether a node hook exists.
search_data in drupal/modules/search/search.module
Performs a search by calling hook_search_execute().
system_get_module_admin_tasks in drupal/modules/system/system.module
Generate a list of tasks offered by a specified module.