I just came across this term in this post,
how do I check which rule is actually used by my compiler?
Or is it possible to specify a rule for cl.exe?
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3In fact almost every question can be answered by "Read the manual", why are we still sticking to SO instead of "Read the manual" ? – user198729 May 30 '10 at 11:56
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1Microsoft *still* doesn't support C99, even in Visual Studio 2010, so you can safely assume C89. – Paul R May 30 '10 at 12:21
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1@user198729: because the question is "How do I know ...?", not "Is ...?" – Matt Curtis May 30 '10 at 12:21
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C99 compilers must define a preprcessor symbol __STDC_VERSION__ with value 199901L which C90 one shouldn't do this (nothing prevent them to do so and still be compliant with C90, but I doubt they do). Obviously nothing is sure for non compliant compilers or compilers in non compliant mode. And there are still the question of bugs and transition (last time I checked for instance, g++ didn't still define the equivalent macro at the value mandated for C++98 while most people I know think it would be more usefull for them to do so instead of waiting for the implementation of export).
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