Deprecated std.c.*.socket and missing replacement

[Sebastiaan Koppe via Digitalmars-d-learn]

On Tuesday, 27 June 2017 at 19:22:02 UTC, Steven Schveighoffer 
wrote:
> Just delete the duplicate symbol, and add public imports of the 
> other module symbols.
>
> e.g.:
>
> public import core.sys.posix.netinet.in_: IP_ADD_MEMBERSHIP;
>
> -Steve

Great. Will do.