Link_list_2.txt

#include<stdio.h>
#include<malloc.h>

typedef struct list
{
    int m;
    char n;
    float o;
    struct list *p;
}list;

int main()
{
   list *head=NULL;
 //  list m,n,o;

   head=(list *)malloc(sizeof(list));

   if(head==NULL)
   {
       printf("Not enough memory");
   }
   else
   {
       head->m=1;
       head->n='A';
       head->o=2.5;
       head->p=(list *)malloc(sizeof(list));
   }

   if(head==NULL)
   {
       printf("not enough memory");
   }

   else
   {
       (head->p)->m=2;
       (head->p)->n='B';
       (head->p)->o=3.5;
       (head->p)->p=(list *)malloc(sizeof(list));
   }
   if(head==NULL)
   {
       printf("not enough memory");
   }
   else
   {
       ((head->p)->p)->m=3;
       ((head->p)->p)->n='C';
       ((head->p)->p)->o=3.88;
       ((head->p)->p)->p=head;
   }
}