C program to print input digits in reverse order

#include<stdio.h>

#include<conio.h>

main()

{

            int num,n=0,rev=0,d;

            printf("Enter any number\n");

            scanf("%d",&num);

            n=num;

            while(num>0)

            {

                        d=num%10;

                        rev=rev*10+d;

                        num=num/10;

            }

            printf("%d",rev);

getch();

}