std::locale::operator!=

// locale::operator!= example
#include <iostream>       // std::cout
#include <locale>         // std::locale

int main ()
{
  if (std::cout.getloc() != std::locale("C"))
    std::cout << "cout is not using the C locale.\n";
  else
    std::cout << "cout is using the C locale.\n";

  return 0;
}