class Program { static void Main(string[] args) { var host = "127.0.0.1"; var port = 8080; TcpClient tc = new TcpClient(host, port); NetworkStream stream = tc.GetStream(); string? userInput = null; do { Console.WriteLine("Input == "); userInput = Console.ReadLine(); if (userInput != null) { byte[] buff = Encoding.UTF8.GetBytes(userInput); stream.Write(buff, 0, buff.Length); } } while (userInput ..