How to fix pointer to incomplete class type is not allowed error?

[abc456]

I'm getting a lot of this error in the following code

	node *ptr = new node;
	ptr->value = x;
	node *toinsert;
	if (!head)
	{
		head = ptr;
		head->prenode = head->nextnode = head;
	}
	else

[TarikNeaj]

http://stackoverflow.com/questions/12027656/pointer-to-incomplete-class-type-is-not-allowed

See if this helps.

[abc456]

thanks!