Sockets - Using INADDR_ANY on client side

Question

I recently ran into this blog post which describes a TCP server client using libev. The sever uses INADDR_ANY to bind to an interface which is something I\'m fa

Answer 1

This is the answer as provided by nos in a comment. If nos comes back and posts it as an answer, I will mark nos' post as the answer and delete this one.

INADDR_ANY is normally defined as 0. That is the IP address 0.0.0.0. RFC 1122 says that means "This host on this network". The linux IP stack seems to just route this to the loopback interface. (e.g. try ping 0.0.0.0 or even just ping 0). I'd say the author made a typo, and should have used INADDR_LOOPBACK.