fflush needed?

[OSSGeek]

Guys, Do I really need fflush in this c++ piece of code?

ofstream Records;
	Records.open("Records.txt", ios::app);
	 		
	cout << "Enter Student's First Name: " << endl; 
	fflush(stdin);
	cin >> stureg.fname;

[ne555]

IIRC you can't flush input streams.