Program: print reverse number of an integer

#include<stdio.h>
#include<conio.h>
void main()
{
int n,a,r=0;
clrscr();
printf(“enter any no to get its reverse: ”);
scanf(“%d”,&n);
while(n>=1)
{
a=n%10;
r=r*10+a;
n=n/10;
}
printf(“reverse=%d”,r);
getch();
}