How to ignore your own broadcast udp packets

Question

For the following I\'m assuming one network card.

I have a component of my program which is designed to let others in the subnet know of its existence. For this, I\

Answer 1

On linux, you can get the IP address of a given interface using ioctl with the SIOCGIFADDR option. I don't think this works for Windows, though. For that, you'll have to do something goofy like this.