Something

void metod(void* ptr)
{
	if (ptr == NULL)
		return;

	type_t* minTyp = reinterpret_cast<type_t*>(&ptr);
}

int main(void)
{
	type_t* minTyp = new minTyp;
	minTyp->mittVarde = 1;

	metod(reinterpret_cast<type_t*>(&minTyp));
}