Page 445 - C++

ofstream fout("sch_temp.dat",ios::out|ios::binary);
cout<<"\nEnter the date & time of that schedule which you want to
delete "
<<"\nDay = ";
cin>>d.dd;
cout<<"\nMonth = ";
cin>>d.mm;
cout<<"\nYear = ";
cin>>d.yy;
while(fin.read((char*)&S,sizeof(S)))
{
if(S.check_dt(d))
{
S.SDisplaydata();
cout<<"\nIs this the schedule you want to delete? ";
cin>>r;
if(r=='y'||r=='Y')
{
cout<<"\ndeleted :) ";
}
else
{
cout<<"\nNo problem :) ";
fout.write((char*)&S,sizeof(S));
}
}
else
fout.write((char*)&S,sizeof(S));
}
fin.close();
fout.close();
remove("schedule.dat");
rename("sch_temp.dat","schedule.dat");
getch();
}
/*************************************************************/
void sch_modify()
{
ifstream fin("schedule.dat",ios::in|ios::binary);
ofstream fout("sch_temp.dat",ios::out|ios::binary);
Schedule S;
Date d;
int flag;
cout<<"\nEnter the date & time of that schedule which you want to
modify "
<<"\nDay = ";
cin>>d.dd;
cout<<"\nMonth = ";
cin>>d.mm;
cout<<"\nYear = ";
cin>>d.yy;
while(fin.read((char*)&S,sizeof(S)))
{
if(S.check_dt(d))