GNU C __attribute__
One of the best (but little known) features of GNU C is the __attribute__ mechanism, which allows a developer to attach characteristics to function declarations to allow the compiler to perform more error checking. It was designed in a way to be compatible with non-GNU implementations, and we've been using this for years in highly portable code with very good results.Table of Contents
[*]__attribute__ format
[*]__attribute__ noreturn
[*]__attribute__ const
[*]Putting them together
[*]Compatibility with non-GNU compilers
[*]Other References
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