libc dependency

[Steven Schveighoffer via Digitalmars-d-learn]

On 6/20/17 7:23 AM, Jacob Carlborg wrote:
> On 2017-06-20 01:29, Steven Schveighoffer wrote:
> 
>> I may have misspoke. I mean they didn't depend on the library itself. 
>> I think they do depend on the C wrappers.
>>
>> So for instance, they didn't use FILE *, but instead used 
>> read/write/recv/send.
> 
> They did use the Posix and Windows API functions. I can see some imports 
> for libc and Posix functions spread out here and there [1], but I'm not 
> too familiar with are system calls and which are not. It's certainly no 
> way near how much is used in Phobos today.

I remember they specifically did not want to depend on anything in the C 
library.

In windows, they definitely did not depend on C at all, and did not link 
with msvcrt or any other C runtime. The calls were all to the ntdll.dll. 
  Really this is the way it *should* be in Posix as well, but they just 
stuff everything into libc.

As it stands, Phobos uses C runtime features extensively, and it would 
be hard to get rid of the calls.

-Steve