ABI documentation

[Paul Backus]

On Wednesday, 3 December 2025 at 09:07:21 UTC, Dom Disc wrote:
> Where can I find the correct and current documentation for 
> 64bit systems?

First sentence under ["Function Calling Conventions"][1]:

> The `extern (C)` and `extern (D)` calling convention matches 
> the C calling convention used by the supported C compiler on 
> the host system. Except that the `extern (D)` calling 
> convention for Windows x86 is described here.

[1]: https://dlang.org/spec/abi.html#function_calling_conventions