sockaddr_ndrv support on macos

[qrnch-jan]

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I would like to be able to use the PF_NDRV socket type (with its associated sockaddr_ndrv socket address type). It's roughly the same as sockaddr_ll on linux. I did some ripgrep:ing in the nix repo, but found no mention of sockaddr_ndrv so I'm assuming its not there.

[asomers]

Yeah, it's not. Care to submit a PR?

[qrnch-jan]

Can you clarify what you mean by "PR"? I come from an era where "PR" meant "Problem Report", and I thought creating a GitHub "Issue" was the equivalent of a PR.

[asomers]

In Github-speak, PR means "Pull Request".

[SteveLauC]

@qrnch-jan Hi, I would like to try to implement this, but I find this feature barely documented. Would you like to provide some documentation if you could?