#include <string>
#include <iostream>
#include <fstream>

struct person
{ string fname, lname;    // object's variables are MEMBERS.
  int ssn, bd;
                          // object's functions are called METHODS
           // a method with no return type and the same name as
           // the struct is a CONSTRUCTOR.
           // If you define any constructor, then a constructor
           // will be called every time an object is created. It
           // can't be prevented. If none of the constructors are
           // suitable, the program will not compile.
  person(int s, string f, string l, int b)
  { ssn = s;
    fname = f;
    lname = l;
    bd = b; }

  person()  // no parameters: this is the DEFAULT CONSTRUCTOR, it
  { }       // can be used when no other constructor fits.

  void print()
  { cout << fname << " " << lname << ", SSN=" << ssn
         << ", born " << bd << "\n"; }
 };

person * read_data()
{ ifstream in("/home/www/class/een118/labs/database1.txt");
  if (in.fail())
  { cerr << "No file\n";
    exit(1); }
  person * array = new person[1010];
                // 1010 person objects were just created. The default
                // constructor was called 1010 times.
  int num = 0;
  while (num < 1010)
  { int a, b;
    string c, d;
    in >> a >> c >> d >> b;
    if (in.fail())
      break; 
    person temp(a, c, d, b);  // the normal constructor is called here.
    array[num] = temp;
    num += 1; }
  in.close();
  return array; }

void main()
{ person * data = read_data();
  int oldest = data[0].bd, oldestpos = 0;
  for (int i=1; i<1000; i+=1)
    if (data[i].bd < oldest)
    { oldest = data[i].bd;
      oldestpos = i; }
  cout << "oldest is ";
  data[oldestpos].print();
  cout << "first is ";
  data[0].print(); }