Could you give an example of such a macro, and how you would use it? Also, I feel I might be asking the obvious, but you've seen http://www.unix.org/single_unix_specification/ , right? -Patrick 2009/8/13 Maurício CA <mauricio.antunes@xxxxxxxxx>: > Hi, all, > > I've been writing a binding to posix from a different > (i.e., not C) language, and I realized there are many > macros that activate or deactivate a lot of C99 and > Posix. Is there a list of such macros, so that I can > use it to support properly all extensions or subsets > of Posix and C standard library? > > Thanks, > Maurício > >