2. (10pts) Write the function swapInts (int*, int*) that swaps the values of two From the calling function, print the values of two pointers before and after the swap. calling function, print the values of the two integers before and after the swap findNthElement (struct listnode* head, int N) which returns the Nth element of the 3. (10pts) Write the function swapPtrs (int**, int**) that swaps two pointers. From the 4. (10pts) Implement a singly-linked list of integers. Write the function list. Print the contents of your list and the value of the Nth element on separate lines