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Where do I find the code of standardized functions? (piefed.blahaj.zone)
submitted 5 months ago by to c/c_lang@programming.dev
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For instance, I wanted to see how printf is written. I looked into the stdio.h file, but there, I could only find the function declaration, no definition.

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[–] 11 points 5 months ago* (last edited 5 months ago) (1 child)

There are multiple implementations, the one often found on linux is glibc, you can find the source code for that online. printf is going to be a small wrapper for vfprintf though, so that is where you will probably find what you are looking for

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