//example2b.cpp
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <iostream>
using namespace std;
main()
{
  int i;
  int j;

  close(1);
  j = open("aaa", O_RDONLY | O_WRONLY | O_CREAT, 0666);
  cout << "j= " << j << "\n";
  close(0);
  j = open("aaa1", O_RDONLY);
  cin >> i;
  cout << "i = " << i << '\n'; 
}