🚀 go-pugleaf

In article <1992Aug25.153909.17977@email.tuwien.ac.at> hp@vmars.tuwien.ac.at (Peter Holzer) writes:
>When the callee is compiled, the compiler cannot know if there is a
>prototype in scope of the caller.

Actually, doesn't the standard require that function
declarations/prototypes and definitions be consistent with each other?  If
the function is defined with an ANSI parameter list, the caller must have a
prototype in scope.  If the function is defined with a K&R1 parameter list,
the caller can use an old-style declaration (or no declaration at all,
letting it default, if the function returns int).

In particular, with K&R declarations, chars are always widened to ints when
calling a function, while with ANSI prototypes they're passed as chars.
This is very similar to the enum conversion that you were talking about.

-- 
Barry Margolin
System Manager, Thinking Machines Corp.

barmar@think.com          {uunet,harvard}!think!barmar