wcsncasecmp_l
int wcsncasecmp_l(const wchar_t *, const wchar_t *, size_t, locale_t);
TESTFUNC(wcsncasecmp_l, int, "%ls, %ls, %zu, %p", "%d", 0)
TEST_R(wcsncasecmp_l, 0, s3, s4, 2, _LOCALE_UTF8);
TEST_R(wcsncasecmp_l, *s3 - *s4, s3, s4, 2, _LOCALE_C);
TEST_R(wcsncasecmp_l, 0, s3, s4, 2, _LOCALE_UTF8);