Doubly Linklist Implemention program in c by Indranil Bhattacharjee.

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 #include<stdio.h>

#include<stdlib.h>

struct node

{

    int data;

    struct node*next;

    struct node*prev;

   

};struct node*next,*ptr,*temp,*newnode;

    struct node *head=NULL;

struct node*creatDoublylinklist(){

    int ch;

    while (1)

    {

     newnode=(struct node*)malloc(sizeof(struct node));

     printf("Enter the value:");

     scanf("%d",&newnode->data);

     newnode->next=NULL;

     newnode->prev=NULL;

    if(head==NULL){

        head=temp=newnode;

    }

    else{

       temp->next=newnode;

       newnode->prev=temp;

       temp=newnode;

    }

    printf("If you want to continue enter value press (1)then enter key  & doesn't enter value press(0) then enter key");

    scanf("%d",&ch);

    if(ch==0)

    {

        break;

    }

}

return head;

}

void traverseLinkedList(struct node *head)

{

    struct node *ptr = head;

    printf("Linkedlist Elements are:");

    while(ptr!=NULL)

    {

        printf("%d ", ptr->data);

        ptr = ptr->next;

    }

}

void ReversetraverseLinkedList(struct node *head){

struct node *ptr=head;

printf("\nReverse Linklist Elements are:");

    ptr->next=newnode;

    while(ptr->next!=NULL){

        ptr=ptr->next;

}

while(ptr!=NULL)

{

    printf("%d ",ptr->data);

    ptr=ptr->prev;

}

}

int main()

{

    struct node *head;

    head=creatDoublylinklist();

    traverseLinkedList(head);

    ReversetraverseLinkedList(head);

    return 0;

}

Output Is:-