Program to reverse a number

//Program to reverse a number #include<stdio.h> #include<conio.h> void main() { long int n1=0,n=0,t=0,sum=0; clrscr(); printf("Enter number : "); scanf("%ld",&n); n1=n; printf("\n\nnumber is %ld\n\n",n1); n=n1; while(n!=0) { t=n%10; n=n/10; sum=sum*10+t; } printf("reverse is : %ld",sum); getch(); }