• echo() : kbhit.h
• kb_getc() : kbhit.h , kbhit.cpp
• kb_getc_w() : kbhit.h , kbhit.cpp
• set_tty_cbreak() : kbhit.h , kbhit.cpp
• set_tty_cooked() : kbhit.cpp , kbhit.h
• set_tty_raw() : kbhit.cpp , kbhit.h