Function gio_sys::g_file_info_get_attribute_data

pub unsafe extern fn g_file_info_get_attribute_data(info: *mut GFileInfo,
                                                    attribute: *const c_char,
                                                    type_: *mut GFileAttributeType,
                                                    value_pp: *mut gpointer,
                                                    status: *mut GFileAttributeStatus)
                                                    -> gboolean