[Pyrex] #if

[Michael P. Dubner]

Bryan Weingarten wrote:

> this looks great.  i have one question that i couldn't figure out from 
> the documentation.  in this example
>
> cdef extern from "spam.h":
>  void *spam_init(int argc, char* argv[])
> *  #@if HostOS=="nt"*
>  void spam_as_nt_service(void *spam)
> *  #@elif HostOS=="posix"*
>  void spam_use_fork(void *spam, int flag)
> *  #@endif*
>  spam_finish(void *spam)
>
>
> is HostOS defined in spam.h?

HostOS is preprocessor constant that holds compile-time os.name, as 
defined in documentation
http://www.dubnerm.newmail.ru/soft/PyxPP/
section Syntax/Constants
-- 

Best regards,
Michael Dubner (dubnerm at mindless.com)
Brainbench MVP/HTML+JavaScript (http://www.brainbench.com)
PS: Sorry for my English