c preprocessor error

Joined
Jun 29, 2010
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can anybody tell me what is wrong in below code
i'm getting syntax error at ISPOWOF2(32) line

#include <stdio.h>
#include <stdlib.h>

#define ISPOWOF2(n) (!(n & (n-1))

int main()
{
int a = ISPOWOF2(32);
printf("%d\n", a);
system("PAUSE");
return (0);
}
 

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