Completely Remove C Runtime with DMD for win32

[Walter Bright]

On 7/15/2018 2:46 PM, tcb wrote:
> Thank you both, that clarifies a lot!

You can set the start address with the DMC C compiler using a #pragma:

   https://www.digitalmars.com/ctg/pragmas.html#startaddress

but currently that isn't directly settable with the DMD compiler.

You can see how it is used in this file of the DMC runtime library:

   https://github.com/DigitalMars/dmc/blob/master/src/WIN32/constart.c#L88