[LCP]Why do I do this? or exit() vs. return

[Vincent Penquerc'h]

> I would stick to using exit because at some
> latter point the programmers may start using
> atexit and on_exit, and if this happens you 
> won't have to modify the code.

Falling off main or returning from it will call
any atexit registered routines.

> Beware of the differences between exit and
> _exit aswell.

But not when calling _exit (or abort, or when slapped
with a fatal signal, etc).

-- 
Vincent Penquerc'h