Re: in which we present an ugly hack to make sys/queue.h CIRCLEQ work

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

>> To be type-correct, the various structs sockaddr_* really need to be
>> a single discriminated union...and I'm not sure sockaddr_un can ever
>> be done type-correctly; I'd have to think about it more.)
> GCC's transparent unions are really nice for this.

Yes, though all they do is remove an otherwise-necessary layer of
member naming.  The part that I'd really find irritating is having to
allocate the whole union - roughly the equivalent of today's struct
sockaddr_storage - even when I know it's going to hold only one flavour
of sockaddr, which wastes most of the space allocated.  (The space
wasted is small enough to be unimportant...in most cases.)

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