In message <52d55d96.8070...@redhat.com>you write:
>
>Your program may be violating POSIX, which would trigger undefined behavior.
>
>Quoting POSIX:
> pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_05
>
[long quote elided]
Yikes! That's pretty impenatrable. And if it says what I think it says,
it seems to violate the way I've understood Unix fork() and how fds
(and stdio buffers) are inherited since forever.
However..
Do I understand that to say that if the first thing my child does is
fclose(fp);
everything should be hunky-dory?
Because I just tried that, and it's still not.
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