NELEM
#define NELEM(x) (sizeof (x)) / (sizeof (x[0]))
#define NELEM(a) sizeof (a) / sizeof (*(a))
#define NELEM(a) (sizeof (a) / sizeof ((a)[0]))
#define NELEM(a) (sizeof (a) / sizeof (*(a)))
#undef NELEM
#define NELEM(a) (sizeof (a) / sizeof (*(a)))
#define NELEM(a) (sizeof (a) / sizeof ((a)[0]))
#define NELEM(a) (sizeof (a) / sizeof (*(a)))
#define NELEM(a) sizeof (a) / sizeof (*(a))
#define NELEM(a) (sizeof (a) / sizeof (a)[0])
#define NELEM(a) (sizeof (a) / sizeof (*(a)))
#define NELEM(a) (sizeof (a) / sizeof (*(a)))
#define NELEM(a) (sizeof (a) / sizeof (*(a)))
#define NELEM(a) (sizeof (a) / sizeof (*(a)))
#define NELEM(a) (sizeof (a) / sizeof (*(a)))
#define NELEM(a) (sizeof (a) / sizeof (*(a)))
#define NELEM(a) (sizeof (a) / sizeof (*(a)))
#define NELEM(a) (sizeof (a) / sizeof (*(a)))