static i64 seekcur_fdin(rzip_control *control)
{
	if (!TMP_INBUF)
		return lseek(control->fd_in, 0, SEEK_CUR);
	return control->in_ofs;
}
static i64 seekcur_fdin(rzip_control *control)
{
	if (!TMP_INBUF)
		return lseek(control->fd_in, 0, SEEK_CUR);
	return control->in_ofs;
}