fork download
copy 
  1. #include <cstdio>
  2. #include <iostream>
  3.  
  4. int main() {
  5. 	using namespace std;
  6.  
  7. 	char ch;
  8. 	cin >> ch;
  9.  
  10. 	cout << boolalpha << "cin.eof(): " << cin.eof() << endl
  11. 	     << "feof(stdin): " << bool(feof(stdin)) << endl;
  12.  
  13. 	cout << "call cin.clear()..." << endl;
  14. 	cin.clear();
  15.  
  16. 	cout << "cin.eof(): " << cin.eof() << endl
  17. 	     << "feof(stdin): " << bool(feof(stdin)) << endl;
  18. }
Success #stdin #stdout 0s 4344KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
cin.eof(): true
feof(stdin): true
call cin.clear()...
cin.eof(): false
feof(stdin): true
https://ideone.com/Rx9P01
language:
C++14 (clang 8.0)
created:
6 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!