FILE_DEVICE_NAMED_PIPE
case FILE_DEVICE_NAMED_PIPE: /* 17 */
CTL_CODE(FILE_DEVICE_NAMED_PIPE, 3, METHOD_BUFFERED, FILE_READ_ACCESS)
CTL_CODE(FILE_DEVICE_NAMED_PIPE, 5, METHOD_NEITHER, \
CTL_CODE(FILE_DEVICE_NAMED_PIPE, 6, METHOD_BUFFERED, FILE_ANY_ACCESS)