extern (c)

[Paul]

On Wednesday, 11 October 2023 at 12:54:53 UTC, user1234 wrote:
>
> `extern(C)` on module level functions affect the mangling and 
> the calling convention.
>
> - Mangling is used by the linker to link symbols between 
> objects.
> - Calling convention affects the compiler backend in how code 
> is generated for a CALL instruction.

So C doesn't use name mangling and extern (C) in a D prog would 
turn off D mangling thereby allowing C and D object files to be 
linked together?

I didn't know C and D had different calling conventions...i.e. 
different ABI's?