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I want to see source code of STL std::cout function. I looked at iostream, but I've seen only "extern cout". So, I guess that it's defined somewhere in the library.
I downloaded source code from official site
I extracted it and did:
sh@sh-R528-R728:~/desktop/stl$ grep -F * | grep "cout"
but I got nothing.
What am I doing wrong? Where is the source code?
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cin and cout are streams and do not exist in C. You can use printf() and scanf() in C.
std::cout is also not part of the STL.
The cout command is a data stream which is attached to screen output and is used to print to the screen, it is part of the iostream library.
Microsoft has open-sourced STL to allow it's users easy access to all the latest developments in C++ by trying out latest changes and improving pull requests by reviewing them.
If you happen to be using GCC, then libstdc++ is your C++ library. Its sources can be found on gcc.gnu.org. cout is defined on line 58 of src/c++98/globals_io.cc.
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cout is not part of the STL, so you won't find the source for cout in the STL source.
You probably want to look for the source for your C++ standard library, which was based on the STL, but also contains iostreams. Where that is depends on what platform you're using.
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