main() Example

  int  main(int  argc,  char**  argv)  {
      std::cout  <<  "Program  name:  "
                      <<  argv[0]  <<  std::endl;
      for  (int  i  =  0;  i  <  argc;  ++i)
              std::cout  <<  "Arg  "  <<  i  <<
                  "  is:  "  <<  argv[i]  <<  std::endl;
  }