> closed source msvcrt Isn't msvcrt source code included with Visual Studio? I d... | Hacker News

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dist-epoch 7 months ago | parent | context | favorite | on: SciPy builds for Python 3.12 on Windows are a mino...

> closed source msvcrt

Isn't msvcrt source code included with Visual Studio? I distinctly remember looking through it many years ago.

And I see it now too on my install: C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.37.32822\crt\src

But maybe it's not 100% of it and some key parts and missing, and obviously there might be legal issues reading this source code.

ack_complete 7 months ago [–]

Not complete. Some parts are licensed, such as math libraries, and VS dropped the ability to rebuild the CRT DLL externally some time ago. A lot of it does have viewable source, but some critical core routines are only shipped compiled.

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