What is ncurses.h and canio.h.

Answer 1

Ncurses.h and Canio.h are libraries or header files for the C programming language.
ncurses (new curses) is a programming library providing an application programming interface (API) that allows the programmer to write text-based user interfaces (TUI) in a terminal-independent manner.
conio.h is a C header file used mostly by MS-DOS compilers to provide console input/output.