Task: Implement Instant Client Disconnection Detection for a TCP Server in C

Task: Implement Instant Client Disconnection Detection for a TCP Server in C: a task in Terminal-Lego-15k (Harbor dataset). Create a C TCP server application that can instantly detect when a client disconnects. The server must reliably detect both graceful disconnections (client calls Close() )…

The task

Create a C# TCP server application that can **instantly detect** when a client disconnects. The server must reliably detect both graceful disconnections (client calls `Close()`) and abrupt disconnections (client process killed / network cable pulled) as quickly as possible.

Part of PrimeIntellect/Terminal-Lego-15k.