- drupal_basename/
- drupal_chmod/
- drupal_dirname/
- drupal_mkdir/
- drupal_move_uploaded_file/
- drupal_realpath/
- drupal_rmdir/
- drupal_tempnam/
- drupal_unlink/
- file_build_uri/
- file_create_filename/
- file_create_url/
- file_default_scheme/
- file_delete/
- file_delete_multiple/
- file_destination/
- file_directory_os_temp/
- file_directory_temp/
- file_ensure_htaccess/
- file_htaccess_lines/
- file_munge_filename/
- file_prepare_directory/
- file_save_htaccess/
- file_scan_directory/
- file_stream_wrapper_uri_normalize/
- file_stream_wrapper_valid_scheme/
- file_unmanaged_copy/
- file_unmanaged_delete/
- file_unmanaged_delete_recursive/
- file_unmanaged_move/
- file_unmanaged_prepare/
- file_unmanaged_save_data/
- file_unmunge_filename/
- file_upload_max_size/
- file_uri_scheme/
- file_uri_target/
- file_url_transform_relative/
- file_valid_uri/