int main(){
base pers;
fstream of;
of.open("multiple");
of.read((char*)&pers,sizeof(pers));
while(!of.eof())
{
pers.show();
of.read((char*)&pers,sizeof(pers));
}
of.close();
return 0;
}
//multiple is a previosly created file which consists some data //pers is a object of base class