Program for Reversing Digits of a given number

https://www.computersprofessor.com/2016/06/program-for-reversing-digits-of-given.html
# include <stdio.h>
#include<conio.h>
main
( )
{
int
r,s =0,n;
printf
( “enter a number”);
scanf
(“%d”, &n);
while
( n ! = 0)
{
r
= n % 10;
s=r
+ s * 10;
n
= n\10;
}
printf
(“reverse of a number is %d”, s);
getch
( );
}
Out
Put:
enter
a number 89
Reverse
of a number is 98