nitems
#define nitems(a) (sizeof(a) / sizeof(a[0]))
#define nitems(a) (sizeof(a) / sizeof(a[0]))
_Static_assert(nitems(test_string) > TEST_STRING_CHOP_COUNT,
#define nitems(x) (sizeof((x)) / sizeof((x)[0]))
#define nitems(x) (sizeof((x)) / sizeof((x)[0]))
#define nitems(x) (sizeof((x)) / sizeof((x)[0]))
#define nitems(x) (sizeof((x)) / sizeof((x)[0]))
#define nitems(x) (sizeof((x)) / sizeof((x)[0]))
#define nitems(x) \