ImportC in a Dub project

[Carsten Schlote]

On Friday, 28 October 2022 at 17:56:57 UTC, Imperatorn wrote:
> On Friday, 28 October 2022 at 17:45:59 UTC, Carsten Schlote 
> wrote:
>> Hi,
>>
>> I created a Dub project containing two files: app.d and 
>> zstd_binding.c
>>
>> [...]
>
> Are you using DMD?

I'm using
```
$ dub --version
DUB version 1.29.2, built on Sep 29 2022
$ dmd-beta --version
DMD64 D Compiler v2.101.0-beta.1-36-ga2865d74fb
Copyright (C) 1999-2022 by The D Language Foundation, All Rights 
Reserved written by Walter Bright
```