[SAOC 25] improve importC weekly update 12

[Sergey]

On Monday, 8 December 2025 at 22:01:58 UTC, Emmanuel wrote:
> hi everyone,
>
> This week, I finalized on handling collisions in .di header 
> generation for C code.
>
> I worked on handling C identifiers that were D keywords that 
> will cause troubles when being used from D.
> I had to fight and test it well to ensure it was free of any 
> hidden bugs.
>
> Link to PR: https://github.com/dlang/dmd/pull/22154

Thank you!