[Issue 16666] core.sys.posix.sys.types uses c_long without importing its definition

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16666

Nemanja Boric <4burgos at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |4burgos at gmail.com

--- Comment #1 from Nemanja Boric <4burgos at gmail.com> ---
Very strange, because to me it looks like it actually imports - it imports
`core.sys.posix.config` which in turns publicly imports `core.stdc.config`, but
it doesn't work unless I put

```
import core.sys.posix.config: c_long;
```

inside core.sys.posix.sys.types.

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