You can find the Socket partial class files here: https://github.com/dotnet/runtime/tree/main/src/libraries/System.Net.Sockets/src/System/Net/Sockets https://gi

You can find the Socket partial class files here: https://github.com/dotnet/runtime/tree/main/src/libraries/System.Net.Sockets/src/System/Net/Sockets https://github.com/dotnet/runtime/tree/main/src/libraries/Sy... Socket.cs, Socket.Unix.cs, Socket.Windows.cs, etc... AFAIK, there are no parts of libuv left in .NET Core. That was mostly used to quickly get the framework up and running on Linux.