How do I read a header file? I tried searching for cstring and I opened it but there were only #def statements And it was pretty short so I tried searching for strcpy i found strcpy.cpp And it was even shorter. I want to see how they made strcpy.
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To see how they made strcpy, you need access to the source code of the C library, typically you are gonna have only the header files, in this case string.h, and the compiled library which contains the implementation.
You can look at source code of c/c++ functions which discusses nearly the same question.
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This is an excellent comment for a close vote as a duplicate. – Ken White Jun 26 '13 at 01:46
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@KenWhite mine is one of the 4 votes, I found the duplicate after I made the answer, and in either case, the first paragraph did feel more answer-y than comment-y – Karthik T Jun 26 '13 at 02:51
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I usually delete my answers if I find the question is a duplicate, because the question should be closed anyway. No problem; I didn't downvote, I just commented. – Ken White Jun 26 '13 at 02:54