node.c

#include <stdio.h>

struct node
{
  int data;
  struct node * next;
};

int main()
{

  struct node head;
  struct node * headPtr;

  headPtr = &head;
  headPtr -> data = 99;

  struct node node2;
  struct node * node2Ptr;

  node2Ptr = &node2;
  node2Ptr -> data = 88;

  headPtr -> next = &(node2);

  struct node node3;
  struct node *node3Ptr = &node3;

  node3Ptr -> data = 78;

  node2Ptr -> next = &(node3);
  printf("Value of headPtr: %d\n", headPtr->data);
  printf("Value of head->next: %d\n", headPtr->next->data);
  printf("Value of node2Ptr-> next: %d\n", node2Ptr->next->data);

  printf("Value of headPtr's->next->next: %d\n", headPtr->next->next->data);
  return 0;
}