Dev-C++ и Turbo C++

#include <stdio.h>
#include <string.h>
#include <iostream.h>
#include <conio.h>
#include <stdlib.h>
//----------------------
 
typedef struct
{
char field[7][100];
}record;
 
class CDB
{ char*dbname;
  public:
  CDB(char*name);
  ~CDB();
  record Get(int position);
};
 
CDB::~CDB()
{
delete []dbname;
dbname=NULL;
}
 
CDB::CDB(char*name)
{
    numrecs=0;
    dbname=new char[strlen(name)];
    strcpy(dbname,name);
    FILE*f;
    f=fopen(dbname,"rb");
    if(!f)                 
    {   f=fopen(dbname,"wb");
        record rec;
        memset(&rec,0,sizeof(record));
    }
    else
        {
         fseek(f,0,SEEK_END);
         numrecs=ftell(f)/sizeof(record);
         }
    fclose(f);
}
 
record CDB::Get(int position)
{ record rec;
  FILE*f=fopen(dbname,"rb");
  fseek(f,position*sizeof(record),SEEK_SET);
  fread(&rec,sizeof(record),1,f);
  fclose(f);
  return rec;
}
//-----------------
class CUser
{
    protected:
    CDB*dbP;
    CDB*dbC;
    CDB*dbS;
    public:
    CUser(CDB*dbp,CDB*dbc,CDB*dbs);
    void ShowRec(int position);
};
 
 CUser::CUser(CDB*dbp,CDB*dbc,CDB*dbs)
{
  dbP=dbp;
  dbC=dbc;
  dbS=dbs;
}
 
void CUser::ShowRec(int position)
{
  record current=dbP->Get(position);
     for(int i=0;i<7;i++)
       cout<<current.field[i]<<endl;
     cout<<"---"<<endl;
  current=dbC->Get(position);
     for(int j=0;j<7;j++)
       cout<<current.field[j]<<endl;
     cout<<"---"<<endl;
  current=dbS->Get(position);
     for(int k=0;k<7;k++)
       cout<<current.field[k]<<endl;
     cout<<"---"<<endl;
  
 }
 
 int main()
 {
  CDB dbPassw("DBPASSW.dat"),dbCounter("DBCOUNTER.dat"),dbConsum("DBCONSUM.dat");
  CUser obU(&dbPassw,&dbCounter,&dbConsum);
  obU.ShowRec(0);
  getch();
  return 0;
 }