[UCRT] Import Microsoft.Windows.SDK.CRTSource version 10.0.22621.3

Imported from https://www.nuget.org/packages/Microsoft.Windows.SDK.CRTSource/10.0.22621.3
License: MIT
This commit is contained in:
Timo Kreuzer 2024-05-11 07:03:12 +02:00
parent f1b60c66f0
commit 04e0dc4a7a
568 changed files with 115483 additions and 0 deletions

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//
// fileno.cpp
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// Defines _fileno(), which returns the lowio file handle for the given stdio
// stream.
//
#include <corecrt_internal_stdio.h>
extern "C" int __cdecl _fileno(FILE* const public_stream)
{
__crt_stdio_stream const stream(public_stream);
_VALIDATE_RETURN(stream.valid(), EINVAL, -1);
return stream.lowio_handle();
}