In your previous mail you wrote:

   > Then why not just look up the routing table and get the MTU of the
   > outgoing interface? I admit that a single operation to do that would
   > be convenient, but I personally don't think we have to add a separate
   > socket option for this particular purpose.

=> I agree, it should be a library function (still in advanced API
but not as a getsockopt()).

[EMAIL PROTECTED]

PS: on some systems getsockopt() is not supposed to have an argument
(ie. optval points only to a buffer for the result) then be careful.
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