How do I check OS with a preprocessor directive?

Question

I need my code to do different things based on the operating system on which it gets compiled. I\'m looking for something like this:

#ifdef OSisWindows
// do         


        

Answer 1

Just to sum it all up, here are a bunch of helpful links.

• GCC Common Predefined Macros
• SourceForge predefined Operating Systems
• MSDN Predefined Macros
• The Much-Linked NaudeaSoftware Page
• Wikipedia!!!
• SourceForge's "Overview of pre-defined compiler macros for standards, compilers, operating systems, and hardware architectures."
• FreeBSD's "Differentiating Operating Systems"
• All kinds of predefined macros
• libportable