URL in C - Susam Pal
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However, the C99 standard does not mention anywhere that a URL is a valid syntactic element in C. How does this code work then?
Update on 04 Jun 2011: The puzzle has been solved in the comments section. If you want to think about the problem before you see the solutions, this is a good time to pause and think about it. There are spoilers ahead.
The code works fine because https: is a label and // following it begins a comment. In case, you are wondering if // is indeed a valid comment in C, yes, it is, since C99. Download the C99 standard, go to section 6.4.9 (Comments) and read the second point which mentions this:
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