C non-blocking keyboard input

Question

I\'m trying to write a program in C (on Linux) that loops until the user presses a key, but shouldn\'t require a keypress to continue each loop.

Is there a simple wa

Answer 1

On UNIX systems, you can use sigaction call to register a signal handler for SIGINT signal which represents the Control+C key sequence. The signal handler can set a flag which will be checked in the loop making it to break appropriately.