README.md

   1 _Almost_ fully C99 compatible `##__VA_ARGS__` and `__VA_OPT__()` alternative.
   2 The compiler needs to support empty `__VA_ARGS__` (not to C99 spec) for this to work, though
   3 all compilers tested had no issue with that (even those with partial C99 support, like lacc)
   4
   5 ### Usage
   6
   7 Replace `__VA_ARGS__` with `VA_OPT_C(__VA_ARGS__)`:
   8
   9 ```
  10 #define prlog(f, ...) fprintf(stderr, f, VA_OPT_C(__VA_ARGS__))
  11 ```