SWSCANF_WN_TEST
SWSCANF_WN_TEST(8, -1, UCHAR_MAX);
SWSCANF_WN_TEST(16, -1, USHRT_MAX);
SWSCANF_WN_TEST(32, -1, UINT_MAX);
SWSCANF_WN_TEST(64, LLONG_MAX, ULLONG_MAX);