LC_MONETARY_MASK
{ LC_MONETARY, LC_MONETARY_MASK, "ja_JP.UTF-8" },
loc = newlocale(LC_MONETARY_MASK, "en_US.UTF-8", loc);
loc = newlocale(LC_TIME_MASK | LC_MONETARY_MASK,
loc = newlocale(LC_TIME_MASK | LC_MONETARY_MASK,
loc = newlocale(LC_TIME_MASK | LC_MONETARY_MASK,
loc = newlocale(LC_TIME_MASK | LC_MONETARY_MASK,