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

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

typedef struct List  list;

/* -----------------------------------------
   Print list
   ----------------------------------------- */
void print( list *h )
{
   struct List *ptr;

   ptr = h;

   printf("List>> ");
   while ( ptr != NULL )
   {
      printf("%d ",  ptr->value );
      ptr = ptr->next;
   }
   printf("\n");
}

/* -----------------------------------------
   Insert at head 
   ----------------------------------------- */
void  insert( struct List *h, struct List * p)
{
    p->next = h;
    h = p;
}


int main(int argc, char *argv[ ])
{
   struct List *head = NULL;

   print( head );

   struct List * p;

   p = malloc( sizeof( struct List) );
   p->value = 4;
   insert(head, p);
   print( head );

   p = malloc( sizeof( struct List) );
   p->value = 8;
   insert(&head, p);
   print( head );

}