> > Any application (read: "sendmail") that uses FILE fields directly
> > simply deserves to lose, IMO.
>
>I should clarify -- I'm not sure that sendmail actually uses _ub directly,
>but I know that it has been known to assume Torek stdio for some features.

a quick perusal of the sendmail source shows it to be using funopen(),
and check _read/_write/_seek/_close for equality to internal
functions, and _cookie as a place to store stuff (but it only copies
it, never modifies it).

anything outside of that seems to be, imho, possible reliance on
quirks?

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