structure pointer

 

structure pointer

 

 

#include<stdio.h>

struct self_ref{

int a;

struct self_ref *next;

};

void print_all(struct self_ref  pr)

{

   if (pr.a==0)

    {

        return ;

    }

//    printf("%d ",pr.a);

    print_all(*pr.next);

    printf("%d ",pr.a);

}

int main()

{

        struct self_ref var1,var2,var3,var4;

        var1.a = 5;

        var1.next = &var2;

        var2.a = 6;

        var2.next = &var3;

        var3.a = 7;

        var3.next = &var4;

        var4.a = 0;

    print_all(var1);

}