extern(C) in druntime

[Logan Capaldo via Digitalmars-d]

On Monday, 10 November 2014 at 23:02:54 UTC, Steven Schveighoffer 
wrote:
> On 11/10/14 5:15 PM, Logan Capaldo wrote:
>> On Monday, 10 November 2014 at 19:44:05 UTC, Dicebot wrote:
>>> On Monday, 10 November 2014 at 17:48:04 UTC, Sean Kelly wrote:
>>>> On Monday, 10 November 2014 at 16:59:47 UTC, Dicebot wrote:
>>>>>
>>>>> Right now question is, however, are there any legitimate 
>>>>> uses of
>>>>> `extern(C)` in druntime or those all can be replaced with
>>>>> `pragma(mangle, "XXX") extern(D)`?
[snip]
>> What about things that are "meant" to be called from C? E.g.
>> `rt_init`/`rt_term`?
>
> Those should remain extern(C). Of course, those have no "D 
> only" features, so they can easily remain extern(C) :)

So just to be clear, there are _some_ legitimate uses of extern 
(C) in druntime, yes? rt_init/rt_term, rt_loadLibrary, 
thread_init(? think this one can be bootstrapped from D code), 
...?