Generating .di header files from ImportC files

[Adam D Ruppe]

On Saturday, 21 October 2023 at 02:13:24 UTC, Walter Bright wrote:
> and voila! It creates a .di file from the C file. Who knew?

I knew. In fact, it only works because I fixed it myself:

https://github.com/dlang/dmd/pull/15557

> It could use some adjustment, but the bulk is there and it 
> didn't crash or launch nuclear missiles. (Phew!)

https://www.youtube.com/watch?v=79DijItQXMM