What happens when you launch a D application ?

[Mike via Digitalmars-d-learn]

> FYI, I didn't realize this (but just figured it out), C main 
> *used* to be in druntime, but it's now generated by the 
> compiler. See here:
>
> https://github.com/D-Programming-Language/dmd/blob/master/src/mars.c#L236
>

True. But it is compiler-dependent.  GDC actually still defines 
"C main" in the runtime:  
https://github.com/D-Programming-GDC/GDC/blob/master/libphobos/libdruntime/__entrypoint.di#L60

Mike