[Brad Clements] > ... > I would like to remind folks that on some platforms, one cannot > just use "errno = 0". On those platforms calling a function is > required to set errno. Except that errno=0 works fine on any platform with a standard- conforming C implementation, and this isn't even a fuzzy POSIX issue -- it's a requirement of the C standard. We can define piles of macros instead, but I expect that, as the years drag on, people will "forget" to use them.
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