On Thu, 20 Dec 2012, Bernard Evensrud wrote:

> Can libcurl from within a C application be used to get the network IP
> address for ETH0 and ETH1 on Linux, just like ifconfig eth0 | grep
> \"inet addr\" | awk -F: '{print $2}' | awk '{print$1}'?

You can tell libcurl to use that address as a source address when doing
network operations by setting CURLOPT_INTERFACE.

You can then extract that info with curl_easy_getinfo()'s CURLINFO_LOCAL_IP

> I do not need the localhost IP or external IP. Just the local network IP
> received from DHCP.

I'd say ioctl() and SIOCGIFADDR seem like a much easier way to get that
information...

-- 
  / daniel.haxx.se
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