Program To Check Power of 2

#include<stdio.h> 

void main() 

{

        int n,count; 

        printf("Enter the number to be checked:"); 

        scanf("%d",&n); 

        while((n&(n-1))==0) 

       { 

                 printf("number is power of 2"); 

                 break; 

       }

       printf("number is not power of 2"); 

}