TCPServer: cleaned up IPv4 address handling #1646

Job	Run time
build-alpine-static (x86_64, -flto=2 -fuse-linker-plugin -ffunction-sections -Wno-error=inline)	4m 5s
build-alpine-static (aarch64, -flto=2 -fuse-linker-plugin -ffunction-sections -Wno-error=inline -...	40m 35s
build-macos	8m 19s
build-macos-aarch64	3m 35s
build-ubuntu-aarch64 (ubuntu-20.04, -flto=2 -fuse-linker-plugin -ffunction-sections -mfix-cortex-...	10m 28s
build-ubuntu-aarch64 (ubuntu-22.04, -flto=2 -fuse-linker-plugin -ffunction-sections -mfix-cortex-...	9m 43s
build-ubuntu (ubuntu-20.04, gcc-11, g++-11)	3m 21s
build-ubuntu (ubuntu-22.04, gcc-12, g++-12)	4m 1s
build-ubuntu-static-libs (-flto=2 -fuse-linker-plugin -ffunction-sections -Wno-error=inline)	4m 46s
build-windows-msbuild (Visual Studio 16 2019, 2019, C:\Program Files (x86)\Microsoft Visual Studi...	9m 25s
build-windows-msbuild (Visual Studio 16 2019, 2019, C:\Program Files (x86)\Microsoft Visual Studi...	8m 7s
build-windows-msbuild (Visual Studio 16 2019, 2019, C:\Program Files (x86)\Microsoft Visual Studi...	9m 40s
build-windows-msys2 (gcc, g++, -flto=2 -fuse-linker-plugin -ffunction-sections -Wno-error=maybe-u...	12m 6s
build-windows-msys2 (clang, clang++, -flto -ffunction-sections -fuse-ld=lld -Wno-unused-command-l...	13m 11s
build-freebsd (freebsd, x86-64, 12.4, ubuntu-22.04)	46m 27s
build-openbsd (openbsd, x86-64, 7.2, ubuntu-22.04)	37m 56s
	3h 45m 45s

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