I have no way of verifying your Android claim, but this API is really well-documented including examples of how to use it properly. Here's the OpenBSD version,

I have no way of verifying your Android claim, but this API is really well-documented including examples of how to use it properly. Here's the OpenBSD version, which is quite typical - https://man.openbsd.org/CMSG_DATA.3 https://man.openbsd.org/CMSG_DATA.3. It's literally a no-brainer to code it all correctly on the first try. So the scary stuff on your list is exactly of the same nature as using printf() without reading the spec and then calling it "incredibly sharp".