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What is the lower level in Windows: the C library or the corresponding Win32 API functions?

I was wondering what is implemented in terms. I assume that, for example, fopenis implemented using OpenFile. From what I can tell, the Win32 API is more advanced than the MSVC C library implementation, so my hunch made sense.

Is this right or vice versa?

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Yes, Win32 is a “lower level” API than the standard C library ... basically the standard C library in Windows is an abstraction of Windows native system calls, which allows some standard operations to remain compatible in any series of platforms that support the C library standard. Each platform will have its own implementation of a C-library based on internal internal system calls.

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, , , , , , , . fopen OpenFile OpenFile fopen, , , , ( -...).

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