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

/////////////////////////////////////
struct T
{

    int  n;
    T   *pNext;

}t1, t2;


T t3, t4;



///////////////////////////////////////////////
int main()
{

    T t5, t6;

    t1.n = 12;

    t1.pNext = &t2;
    t2.pNext = &t3;
    t3.pNext = &t4;
    t4.pNext = &t5;
    t5.pNext = &t6;


    T *p = &t1;

    for(int i = 0; i < 6; i++)
    {
       printf("%d, ", p->n);

       p = p->pNext;
    }

}