linkedlist

#include<stdio.h>
#include<stdlib.h>
typedef struct mylist
{
    int data;
    struct mylist *next;
    struct mylist *prev;
}node;
int main()
{
    node*a= (node*)malloc(sizeof(node));
    node*b= (node*)malloc(sizeof(node));
    node*c= (node*)malloc(sizeof(node));

    a->data=7;
    b->data=2;
    c->data=6;

    a->next=b;
    b->next=c;
    c->next=NULL;

    c->prev=b;
    b->prev=a;
    a->prev=NULL;
printf("The forward list: \n");
while(a!=NULL)
{
    printf("%d\n",a->data);
    a=a->next;
}
printf("NULL\n");

printf("The backward list: \n");
while(c!=NULL)
{
    printf("%d\n",c->data);
    c=c->prev;
}
printf("NULL\n");
return 0;
}