Re: strtonum(3) from OpenBSD?

[der Mouse <mouse%Rodents-Montreal.ORG@localhost>]

[Greg Woods]
> (I now do understand a trap representation can trigger a trap
> exception on any type of access, at least for non-auto variables that
> is.)

Why the carveout for auto?  Is it specifically forbidden to trap on
reading (or modifying in a way that depends on the former value) an
auto variable that has not yet been set to anything?

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