number is palindrome or not

void main()
{
int n,a,r=0,t;
clrscr();
printf("enter the no.");
scanf("%d",&n);
t=n;
while(n!=0)
{
a=n%10;
n=n/10;
r=r*10+a;
}
if(r==t)
printf("palindrome");
else
printf("not palindrome");
getch();
}