Sobytie in C

Unix Programming Frequently Asked Questions
http://www.erlenstar.demon.co.uk/unix/faq_toc.html

3.2 How can I read single characters from the terminal?
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3.3 How can I check and see if a key was pressed?
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Читайте документацию - она рулит ;-)

man tcgetattr
man tcsetattr
man read

man ncurses