list.c

#include <stdio.h>
#include <stdlib.h>

struct listnode
{
  void * element;
  struct Node * next;
};

typedef struct listnode ListNode;
typedef ListNode * ListNodePtr;

void * add_node(ListNodePtr *node, void * element){
  ListNodePtr newNode;
  newNode = malloc( sizeof ( ListNode ) );
  if(newNode != NULL){
    newNode->element = element;
    newNode->next = node;}
  return newNode;
}

int main(){
  ListNodePtr a, b, c, d, current;
  int g = 4, t = 7, k = 8, i, POI[10] = {23};
  
  for(i=1;i<10;i++)
    POI[i] = i;

  a = add_node(NULL, &g);
  c = add_node(a, &k);
  b = add_node(c, &t);
  d = b;

  for(i=0;i<10;i++)
    d = add_node(d, &POI[i]);
  
  current = d;
   
  while(current != NULL){
    printf("node %d\n", *((int*)current->element));
    current = current->next;}

  return 1;}