getch_test.c

#include <ncurses.h>
#include <thread>

#define CURSOR_INVISIBLE 0

int main() {
    keypad(stdscr, true);
    nodelay(stdscr, true);
    initscr();
    curs_set(CURSOR_INVISIBLE);
    cbreak();
    noecho();
    const std::chrono::microseconds sleepInterval(1000 * 1000);

    for (int x = 0;;) {
        std::this_thread::sleep_for(sleepInterval);
        int ch = getch();
        if (ch != ERR) {
            mvaddch(0, x++, ch);
        }
        refresh();
    }

    endwin();
}