// filetest-random.cpp

#include <iostream>
#include <fstream>
#include <cstdlib>


const int LINESIZE=256;

using namespace std;

struct Record{
  char name[128];
  int age;
};



main(){
  fstream rwFile;

  rwFile.open("datafile", ios::in | ios::out);

  

  if (rwFile.fail()){
    cerr << "Error opening datafile" << endl;
    exit(1);
  }

  Record person;

  strcpy(person.name, "Steve J. Hodges");
  person.age = 18;

  
  rwFile.seekp(0);
  rwFile.write( reinterpret_cast<const char *>( &person), sizeof(person) );

  // int a[10];
  // cout << sizeof(a) / sizeof(int);


  Record inPerson;

  rwFile.seekg(0);
  rwFile.read( reinterpret_cast<char *>( &inPerson), sizeof(Record) );
  
  cout << inPerson.name << endl;

  rwFile.close();


}