On Thu, Nov 11, 2021 at 05:03:41 +0700, Robert Elz wrote:
> Date: Wed, 10 Nov 2021 22:17:05 +0300
> From: Valery Ushakov <u...@stderr.spb.ru>
> Message-ID: <yywasqrvkf7ng...@pony.stderr.spb.ru>
>
> | > in the sense that simply falling out of main() is exit(0)?
> |
> | Surprisingly - yes.
>
> That's appalling, but perhaps not surprising.
>
> It breaks code which believed what was promised, and did return n
> (n != 0) instead of exit(n).
The main can still return an int explicitly.
If the return type of the main function is a type compatible with
int, a return from the initial call to the main function is
equivalent to calling the exit function with the value returned by
the main function as its argument;
It's specifically the sloppy
int main() {}
without explicit return that gets a dispensation.
-uwe
