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Fater thiunking about what I have done with this patch, I would also like to suggest another change (for which I am also willing to submit the patch, which is quite simple):  Consistent with some of the already extant glue in _socet to handle addresses like <broadcast>, would there be any reason no to modify setipaddr() and getaddrinfo() so that if an address is prefixed with <numeric> (e.g. <numeric>127.0.0.1) that the PASSIVE and NUMERIC flags are always set so these routines reject any non-numeric address, but handle numeric ones very efficiently?