Write a C program to reverse a number.

#include <stdio.h>

void main()

{

   int n, rev = 0;

   printf("Enter a number to reverse\n");

   scanf("%d",&n);

   while (n != 0)

   {

      rev = rev * 10;

      rev = rev + n%10;

      n = n/10;

   }

   printf("Reverse of entered number is = %d\n", rev);

}