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by ncmncm
1698 days ago
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When I do it on Linux, with gcc 10.2.1, it always returns 0, regardless of "-ansi", "-O2", or what-have-you. So, the author's experience is either peculiar to some old version of cc he used, or to a quirk of BSD. The ISO C++ Standard dictates that if main fails to return a result, the program result is zero. And, g++ does this. [Edit: I'm wrong... with "gcc -ansi -std=c90", with or without optimization, I get the 13! But not 10.] |
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