The usual idiom to cope with systems not defining socklen_t is to add a

#define socklen_t int
somewhere (or a typedef, whatever gives you an integer type of the size
your system expects as the 3rd argument of accept(2), really).

OpenSSL here is a bit more creative by using an union of an int and a size_t,
and extra code if sizeof(int) != sizeof(size_t) in order to recover the
proper size. With a comment mentioning that this has no chance to work on
a platform with a stack growing up and accept() returning an int, fortunately
this seems to work on HP-UX.

Switch to the light side of the force and declare and use socklen_t variables,
period. If your system does not define socklen_t, consider bringing it back
to your vendor for a refund.

ok matthew@ tedu@

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