Minitalk is a simple program to learn the use of UNIX signals.
The goal is to make two terminals to communicate with one another using Process IDs (PIDs), signals, and binary encoding.

• Client: Sends a string to the server by encoding each bit of the message as UNIX signals. SIGUSR1 represents a binary 0, and SIGUSR2 represents a binary 1. The kill() function is used to send these signals.
• Server: Waits for incoming signals using pause(). It decodes the signals back into a string and stores the message in a buffer. Once the full message is received, the server sends an acknowledgment signal back to the client, indicating successful reception.

1. Run make to compile the server and the client.
2. Run make re to recompile everything.
3. Run ./server to execute the server.
4. Run ./client <PID> "messasge" in another terminal!

1. Run make clean to remove every object files.
2. Run make fclean to remove every object files, including the executable.

• client - Sends signals to the server, waits for an acknowledgment, and returns.
• server - Waits for signals, prints once fully received, and sends an acknowledgment.