Reverse Number in C

#include <stdio.h>
void main()
{
    int n,rev = 0;
      printf("Enter a number to reverse\n");
     scanf("%d",&n);
   while (n != 0)
   {
             n=n%10;
 rev=rev * 10 +n;
 n=n/10;
   }
  printf("Reverse of entered number is = %d\n", rev);
}