static short compat_calc_jump(u_int16_t offset)
{
	struct compat_delta *tmp;
	short delta;

	for(tmp = compat_offsets, delta = 0; tmp; tmp = tmp->next)
		if (tmp->offset < offset)
			delta += tmp->delta;
	return delta;
}
static short compat_calc_jump(u_int16_t offset)
{
	struct compat_delta *tmp;
	short delta;

	for(tmp = compat_offsets, delta = 0; tmp; tmp = tmp->next)
		if (tmp->offset < offset)
			delta += tmp->delta;
	return delta;
}