Top "Iostream" questions

The C++ iostream library is an object-oriented library that provides input and output functionality using streams.

"std::endl" vs "\n"

Many C++ books contain example code like this... std::cout << "Test line" << std::endl; ...so I've …

c++ coding-style iostream c++-faq
Reading a file character by character in C

I'm writing a BF interpreter in C and I've run into a problem reading files. I used to use scanf …

c file-io io iostream
Why std::cout instead of simply cout?

I get these error messages for all cout and endl: main.cc:17:5: error: ‘cout’ was not declared in this scope …

c++ iostream
How to print Unicode character in C++?

I am trying to print a Russian "ф" (U+0444 CYRILLIC SMALL LETTER EF) character, which is given a code of decimal 1092. …

c++ unicode iostream cout wchar-t
How to solve "Unresolved inclusion: <iostream>" in a C++ file in Eclipse CDT?

I download eclipse for c++ (cdt-master-8.0.2.zip). When I write: #include <iostream> It marks: Unresolved inclusion: <iostream&…

c++ eclipse iostream
How to output to the console in C++/Windows

When using iostream in C++ on Linux, it displays the program output in the terminal, but in Windows, it just …

c++ windows console sdl iostream
operator << must take exactly one argument

a.h #include "logic.h" ... class A { friend ostream& operator<<(ostream&, A&); ... }; logic.cpp #include "…

c++ operator-overloading iostream
Why use endl when I can use a newline character?

Is there a reason to use endl with cout when I can just use \n? My C++ book says to …

c++ string-formatting iostream buffering
Alternative function in iostream.h for getch() of conio.h?

I'm trying to hold the screen on my output using the header file <iostream.h>, but I don't …

c++ iostream
Converting ostream into standard string

I am very new to the C++ STL, so this may be trivial. I have a ostream variable with some …

c++ stl iostream