Please ignore: "defined(BLAH)" in makefile?

I was comatose when I posted the following.  I need to do more
reading of C.  Please ignore.  I wouldn't post this followup
except that some news servers will ignore my cancellation
request.  Sorry.

Fred


Fred Ma wrote:
>
> I have a question about the defined function in a makefile.
> It arises from a solaris-specific situation, but I'm not sure
> if the question itself is solaris specific.  I was trying to
> figure out why C's "long" has the same value limits as "int".
> I ran in to this solaris-specific example at
> [url]http://docsun.cites.uiuc.edu/sun_docs/C/solaris_9/SUNWdev/SOL64TRANS/p16.html:[/
url]
>
>    #if defined(_LP64)
>    typedef ulong_t size_t;   /* size of something in bytes */
>    #else
>    typedef uint_t size_t;    /* (historical version) */
>    #endif
>
> The key thing here being defined(_LP64).  I can't find the defined
> function in the make man pages for solaris, nor the gnu man pages
> for make.  Where should I be looking for it?