Task: Fix TCP Socket Address Already In Use Error in C Server Application

Task: Fix TCP Socket Address Already In Use Error in C Server Application: a task in Terminal-Lego-15k (Harbor dataset). You are given a C console application that implements a TCP server using TcpListener . The application has a critical bug that causes a SocketException with the message "Only…

The task

You are given a C# console application that implements a TCP server using `TcpListener`. The application has a critical bug that causes a `SocketException` with the message "Only one usage of each socket address (protocol/network address/port) is normally permitted" (or on Linux: "Address already in use").

Part of PrimeIntellect/Terminal-Lego-15k.