- node_type_form in core/
modules/ node/ node.types.inc - Form constructor for the node type editing form.
- node_type_reset in core/
modules/ node/ node.types.inc - Resets relevant fields of a module-defined node type to their default values.
- node_type_save in core/
modules/ node/ node.module - Saves a node type to the database.
- standard_install in core/
profiles/ standard/ standard.install - Implements hook_install().
- _book_install_type_create in core/
modules/ book/ book.install - Creates the book content type.
- _node_types_build in core/
modules/ node/ node.module - Builds and returns the list of available node types.