void UnsNumToString(unsigned long num, StringPtr str)
{
	unsigned long	temp;
	
	if ((signed long)num < 0L)
	{
		temp = num/10;
		NumToString(temp, str);
		str[0] += 1;
		str[str[0]] = '0' + num%10;
	}
	else
		NumToString(num, str);
}