// read a file into memory
#include <iostream>
#include <fstream>

using namespace std;

int main () {

  ifstream is;
  is.open ("test.txt");

  char c, c1, c2, c3;

  is >> c1;
  is.tellg(); // Causes bug. Remove and result will be correct
  is >> c2;
  is >> c3;

  // The number of chars skipped in case of buggy behavior depends
  // on the number of lines in the file.
  // The bug is only present on files with DOS line endings e.g.
  // if I convert the file with dos2unix, no problem appears
  cout << "The first 3 chars are " << c1 << c2 << c3 << endl;
  return 0;
}