Thread: Linked Lists error: m_deck undeclared identifier

I have a new unhandled exception, and I think it's coming from my insert function which is defined as follows:

Code:

void CDeck::insert(int index, s_card c)
{
	if(empty()||index==1)
	{
		insertAtHead(c);
	}
	else
	{
		cardNodeptr cur = head;
		cardNodeptr prev = NULL;

		for(int x=1; x<=index; x++)
		{
			prev = cur;
			cur = cur->next;
		}
		cardNodeptr newPtr = cur;
		newPtr->item = c;
	}
}

void CDeck::insertAtHead(s_card c)
{
	cardNodeptr cur = new cardNode;
	cur->next = head;
	cur->item = c;
	head = cur;
}

It might be helpful to know how I typedef my pointers:

Code:

struct s_card
{
	int value;
	char suit;
};

struct cardNode
{
	s_card item;
	cardNode *next;
};

typedef cardNode * cardNodeptr;

And I did define cardNode *head as a private data member.

Where is the guarantee that this loop won't attempt to go beyond the end of the list?

Code:

		cardNodeptr cur = head;
		cardNodeptr prev = NULL;

		for(int x=1; x<=index; x++)
		{
			prev = cur;
			cur = cur->next;
		}

What is the purpose of this function? Does it insert new nodes or does it modify the contents of existing nodes? I think you should pick one of those, do that well, and perhaps rename the function to reflect what it does if you decide it shouldn't actually insert nodes.