6 uses of MENU_NOT_FOUND in Drupal 5

drupal_access_denied in includes/common.inc

Generates a 403 error if the request is not allowed.

drupal_not_found in includes/common.inc

Generates a 404 error if the request can not be handled.

forum_page in modules/forum/forum.module

Menu callback; prints a forum listing.

index.php in ./index.php

menu_execute_active_handler in includes/menu.inc

Execute the handler associated with the active menu item.

node_page_default in modules/node/node.module

Menu callback; Generate a listing of promoted nodes.