// socket++ library. tpopentest.cc
// Copyright (C) 1992-1996 Gnanasekaran Swaminathan <gs4t@virginia.edu>
//
// Permission is granted to use at your own risk and distribute this software
// in source and  binary forms provided  the above copyright notice and  this
// paragraph are  preserved on all copies.  This software is provided "as is"
// with no express or implied warranty.
//
// Version: 12Jan97 1.11

#include <iostream>
#include <stdlib.h>
#include <ctype.h>

using namespace std;

int main(int ac, char** av)
{
  if (ac != 2) {
    cerr << "USAGE: " << av[0] << " -iob\n";
    return 1;
  }
  char buf[256];
    
  switch (av[1][1]) {
  case 'i':
    cin.getline (buf, 255);
    cout << av[0] << ' ' << av[1] << ": " << buf << endl;
    break;
  case 'o':
    cout << av[0] << ' ' << av[1] << ": Hello O world!!!" << endl;
    break;
  case 'b':
    cin.getline(buf, 255);
    cout << buf << endl;
    system (buf);
    break;
  }

  return 0;
}