Resolved warning C4996: 'fileno': The POSIX name for this item is dep… #6002

Job	Run time
build (windows-2019, Win32, v142, 17, Debug)	2m 50s
build (windows-2019, Win32, v142, 17, Release)	2m 35s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	1m 10s
mingw (mingw64)	4m 12s
build (windows-2019, Win32, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	1m 58s
mingw (ucrt64)	4m 46s
build (windows-2019, x64, v140, 14, Debug)	1m 30s
build (windows-2019, x64, v140, 14, Release)	1m 50s
build (windows-2019, x64, v141, 17, Debug)	2m 8s
build (windows-2019, x64, v141, 17, Release)	2m 44s
build (windows-2019, x64, v142, 17, Debug)	2m 58s
build (windows-2019, x64, v142, 17, Release)	3m 24s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Debug)	1m 13s
build (windows-2019, x64, v142, 17, -DBUILD_SHARED_LIBS=ON, Release)	2m 58s
build (windows-2019, x64, v142, 20, Debug)	2m 51s
build (windows-2019, x64, v142, 20, Release)	2m 57s
build (windows-2022, x64, v143, Debug, 20)	1m 41s
	43m 45s

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