- drupal_basename/
- drupal_chmod/
- drupal_dirname/
- drupal_mkdir/
- drupal_move_uploaded_file/
- drupal_realpath/
- drupal_rmdir/
- drupal_tempnam/
- drupal_unlink/
- file_build_uri/
- file_copy/
- file_create_filename/
- file_create_htaccess/
- file_create_url/
- file_default_scheme/
- file_delete/
- file_destination/
- file_directory_temp/
- file_download/
- file_download_access/
- file_download_headers/
- file_ensure_htaccess/
- file_get_content_headers/
- file_get_mimetype/
- file_get_stream_wrappers/
- file_htaccess_lines/
- file_load/
- file_load_multiple/
- file_move/
- file_munge_filename/
- file_prepare_directory/
- file_save/
- file_save_data/
- file_save_upload/
- file_scan_directory/
- file_space_used/
- file_stream_wrapper_get_class/
- file_stream_wrapper_get_instance_by_scheme/
- file_stream_wrapper_get_instance_by_uri/
- file_stream_wrapper_uri_normalize/
- file_stream_wrapper_valid_scheme/
- file_transfer/
- file_unmanaged_copy/
- file_unmanaged_delete/
- file_unmanaged_delete_recursive/
- file_unmanaged_move/
- file_unmanaged_save_data/
- file_unmunge_filename/
- file_upload_max_size/
- file_uri_scheme/
- file_uri_target/
- file_usage_add/
- file_usage_delete/
- file_usage_list/
- file_valid_uri/
- file_validate/
- file_validate_extensions/
- file_validate_image_resolution/
- file_validate_is_image/
- file_validate_name_length/
- file_validate_size/