C Program
#include <stdio.h> #include <conio.h> #include <alloc.h> struct linklist { struct linklist *prev; int num; struct linklist *next; }; typedef struct linklist node; void create(node *); void display(node *); void main() { node *head; clrscr(); head=(node *) malloc(sizeof(node)); head->prev=NULL; create(head); printf("\n"); display(head); getch(); } void create(node *list) { char conf='y'; int i; printf("\nENTER A NUMBER: "); scanf("%d",&list->num); list->next->prev=list; printf("\nWANT TO CONTINUE[Y/N]: "); conf=getche(); printf("\n"); if(conf=='n' || conf=='N') list->next=NULL; else { list->next=(node *) malloc(sizeof(node)); create(list->next); } } void display(node *disp) { printf("THE ADDRESS-PREVIOUS ADDRESS-VALUE-NEXT ADDRESS OF THE LINK LIST ARE:\n"); while(disp!=NULL) { printf("%u-%u-%u-%u\n",disp,disp->prev,disp->num,disp->next); disp=disp->next; } }