CTFE with C functions not possible?

[Shriramana Sharma via Digitalmars-d-learn]

Rikki Cattermole wrote:

> You misunderstand, its hardcoded into the CTFE evaluator. That is what
> an intrinsic is.

What do you mean hardcoded into the CTFE evaluator? Surely you aren't 
suggesting that the D compiler contains its own implementation of the 
functions already implemented in libc?

-- 
Shriramana Sharma, Penguin #395953