A simple TCP server and client implementation in C++ for basic network communication.

• Server Mode: Accepts incoming connections and echoes messages
• Client Mode: Connects to server and sends messages
• Cross-platform: Uses standard POSIX sockets

make

make clean

./main server <port>

Example:

./main server 1234

./main client <port> [host] [message]

Examples:

./main client 8080
./main client 8080 localhost
./main client 8080 127.0.01 "Hello World"

• port: Port number (1-65535)
• host: Server hostname/IP (default: 127.0.0.1)
• message: Message to send (default: "hello")

• C++11 or later
• POSIX-compliant system (Linux, macOS, Unix)
• Standard build tools (gcc/g++, clang++, make)