c program to find reverse of a number

#include<stdio.h>
#include<conio.h>
void main()
{
int n,rev=0,digit;
clrscr();
printf("enter any integer..");
scanf("%d",&n);
while(n!=0)
{
digit=n%10;
 rev=rev*10+digit;
n=n/10;
}
printf(" reverse of given number is: %d",rev);
getch();
}