Add modules to C with 10 lines of code

[jmh530]

On Sunday, 16 January 2022 at 09:47:00 UTC, Walter Bright wrote:
> https://github.com/dlang/dmd/pull/13539
>
> Yes, real, live modules!
>
> (I can hardly believe this works!)

Would it be possible to have a block of ImportC code in D code? 
For instance for people gradually converting C code to D code.