Must main return a value?

[Doug Gwyn]

In article <16020.Jun3004.44.3491 at kramden.acf.nyu.edu> brnstnd at kramden.acf.nyu.edu (Dan Bernstein) writes:
>Hold on. You're saying something about the real world here, and the real
>world doesn't distinguish between ``implementation-defined'' and
>``undefined'' until a standard comes along and forces the issue.

Sure it does.  If it core dumps, it's undefined, and if it's documented
in the long shelf of vendor literature, it's implementation-defined.