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void findNthFromLast(struct Node* headNode, int n)
- lida September 14, 2017{
/*this has to be static so that it holds it's value from
call to call because of the fact that a non-static variable
will not hold it's value since the variable will just be local
to the function if it's not static and will not be preserved
across call stack: */
static int i = 0;
//base case when we reach the end of linked list:
if(headNode == NULL)
return;
//this is where head pointer is advanced (head->next)...
findNthFromLast(headNode->next, n);
//increment i and check to see if equals n
//if it does equal n then print out the element's data
if(++i == n)
printf("%d", headNode->elementData);
}