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This may be useful: http://forums.devshed.com/showpost.php?s=277ee18a1b561309953d987b4b0f23b7&p=413842&postcount=6 It uses if_nameindex() from net/if.h. -- Andrew On Wed, 2004年03月03日 at 08:14, Jeff Abrahamson wrote: > I want to determine my own IP address. > > A kludgy way is to bind to a high port, send myself (on 127.0.0.1) a > packet containing only a long random number, and look at the from > address. Even then I might see 127.0.0.1, though. > > I bet there's a better way. Anyone know? > > If the box has multiple interfaces, the above fails. Is their a way > to get all the addresses that are me? > > Solutions involving parsing the output of popen("/sbin/ifconfig") will > not be considered. ;-) ___________________________________________________________________________ Philadelphia Linux Users Group -- http://www.phillylinux.org Announcements - http://lists.phillylinux.org/mailman/listinfo/plug-announce General Discussion -- http://lists.phillylinux.org/mailman/listinfo/plug