In message <199912140154.MAA07710@dingo.ping.net.au>, Berndt Josef Wulf writes:
>when a header file calls for a variable/definition defined externally
>shouldn't it then include the file which defines it?

Yes, no, or maybe.  Plan 9 says "absolutely no under any circumstances", and
as a result, their code does *no* idempotent headers (except for ANSI C
requirements), and compiles are very very fast.  Other systems go the other
way.

>Can someone comment on this as this?

It's reasonable either way; it's a holy war issue.

-s