I've got a function that's holding a sockaddr_in*. How do I test whether the represented address is on the local machine as opposed to another machine on the LAN? FWIW, the address I've got is the ...

What is my IP? It’s an odd question in most people’s minds, yet it’s one of the top ten most-searched questions on Google. Those who know what an IP address is will already know most of these searches ...