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

struct List
{
   int          value;
   struct List *next;
};

/* =========================================
   insert(h, e): insert e at start of list h
                 return new list
   ========================================= */
struct List *insert (struct List *h, struct List *e)
{
   e->next = h;
   return e;		// Return new list that starts at e
}

void print(struct List *h);   // We must declare print to avoid compile error

void main(int argc, char *argv[])
{
   struct List *head = NULL;   // Empty list
   struct List *p;

   /* -------------------------------------------------
      Create a list element and insert in List at head
      ------------------------------------------------- */
   p = malloc( sizeof(struct List) );
   p->value = 1;
   head = insert(head, p);       // Insert p in head
   print(head);  

   /* -------------------------------------------------
      Create a list element and insert in List at head
      ------------------------------------------------- */
   p = malloc( sizeof(struct List) );
   p->value = 2;
   head = insert(head, p);       // Insert p in head
   print(head);
}






// Print the list
void print(struct List *h)
{
   while (h != NULL)
   {
      printf("%d ", h->value);
      h = h->next;
   }
   printf("\n\n");
}