How do you know if you are compiling on Windows?

Question

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#ifdef WINDOWS
// do stuff
#endif

Answer 1

_WIN32 is always defined on the Windows platform; check the predefined macros .

Answer 2

This is the most complete table I know. https://sourceforge.net/p/predef/wiki/Compilers/

Answer 3

, .

, SDK .

, CRT Win32, .

Answer 4

I'm not quite sure I understand the question, but yes, you can do it. Obviously, you need to tell the compiler that you are compiling on Windows (or the x operating system) at compile time. I saw a similar approach used for the bit size of things like integers.