Re: [PLUG] determining my IP address in C

[Andrew Bennett <andrew@bennettsathome.com>]

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, 2004-03-03 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. ;-)

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