//Part A

int cardValue( cardType *card )
{
	if( card == NULL )
		exit(1); //exit with some error code
	if( card->isRed )
	{
		if( card->hasLetter )
		{
			return 2 * card->value.charValue;
		} //red card with letter
		else
		{
			return 2 * card->value.intValue;
		} //red card with number
	}//red card
	else
	{
		if( card->hasLetter )
		{
			return card->value.charValue;
		} //green card with letter
		else
		{
			return card->value.intValue
		} //green ard with number
	}//green card
}//end cardValue

//Part B

int deckValue( cardType **cards )
{
	int i = 0;
	int sum = 0;
	while( *cards[i] != NULL )
	{
		sum += cardValue(*(cards + i));
		i++;
	}
}