What can you do in C without "std" includes? Are they part of "C," or just libraries?

Posted by Chris Cooper on Stack Overflow See other posts from Stack Overflow or by Chris Cooper
Published on 2010-04-03T23:09:52Z Indexed on 2010/04/03 23:13 UTC
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I apologize if this is a subjective or repeated question. It's sort of awkward to search for, so I wasn't sure what terms to include.

What I'd like to know is what the basic foundation tools/functions are in C when you don't include standard libraries like stdio and stdlib.

What could I do if there's no printf(), fopen(), etc?

Also, are those libraries technically part of the "C" language, or are they just very useful and effectively essential libraries?

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