Номера русских букв в ASCII

    setlocale (LC_ALL, "rus" );
    cout<<static_cast<char>(231)<<endl;
    cout<<static_cast<int>('з')<<endl;
    char *str = "з";
    cout<<static_cast<int>(str[0])<<endl;
    cout<<str[0]<<endl;

з
-25
-25
з

//---------------------------------------------------------------------------
#include <iostream>
using namespace std;
//---------------------------------------------------------------------------
 
int main()
{
  setlocale (LC_ALL, "rus" );
  cout << static_cast<unsigned char> (231) << endl;
  cout << static_cast<unsigned int> (static_cast<unsigned char> ('з')) << endl;
  char *str = "з";
  cout << static_cast<unsigned int> (static_cast<unsigned char> (str[0])) << endl;
  cout << str[0] << endl;
 
  system("pause");
  return 0;
}
//---------------------------------------------------------------------------

 setlocale (LC_ALL, "rus" );

#include <iostream>
using namespace std;
//---------------------------------------------------------------------------
 
int main()
{
  cout << static_cast<unsigned char> (231) << endl;
  cout << static_cast<unsigned int> (static_cast<unsigned char> ('з')) << endl;
  char *str = "з";
  cout << static_cast<unsigned int> (static_cast<unsigned char> (str[0])) << endl;
  cout << str[0] << endl;
 
  system("pause");
  return 0;
}

//---------------------------------------------------------------------------
#include <iostream>
#include <limits>
//---------------------------------------------------------------------------
int main(int argc, char* argv[])
{
  std::cout << static_cast <int> (std::numeric_limits<char>::min()) << std::endl;
  std::cout << static_cast <int> (std::numeric_limits<char>::max()) << std::endl;
  std::cout << std::endl;
 
  std::cout << static_cast <int> (std::numeric_limits<unsigned char>::min()) << std::endl;
  std::cout << static_cast <int> (std::numeric_limits<unsigned char>::max()) << std::endl;
  std::cout << std::endl;
 
  std::system("pause");
  return 0;
}
//---------------------------------------------------------------------------