Resolved warning C4996: 'fileno': The POSIX name for this item is dep… #5997

Job	Run time
build (windows-2019, Win32, v142, 17, Debug)	1m 38s
build (windows-2019, Win32, v142, 17, Release)	2m 7s
mingw (mingw64)	3m 54s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	1m 49s
mingw (ucrt64)	4m 11s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	2m 28s
build (windows-2019, x64, v140, 14, Debug)	1m 22s
build (windows-2019, x64, v140, 14, Release)	2m 13s
build (windows-2019, x64, v141, 17, Debug)	1m 25s
build (windows-2019, x64, v141, 17, Release)	2m 36s
build (windows-2019, x64, v142, 17, Debug)	1m 50s
build (windows-2019, x64, v142, 17, Release)	2m 31s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	1m 21s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	2m 21s
build (windows-2019, x64, v142, 20, Debug)	2m 2s
build (windows-2019, x64, v142, 20, Release)	2m 49s
build (windows-2022, x64, v143, Debug, 20)	1m 46s
	38m 23s

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