I have a daemon I'm working on that listens for UDP broadcast packets and responds also by UDP. When a packet comes in, I'd like to know which IP address (or NIC) the packet came I have a daemon I'm working on that listens for
阅读背景：
将UDP监听套接字绑定到特定的接口(或者找到数据报来自的接口)?
来源：互联网
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