#include <ncurses/curses.h>

int main()
{
    initscr();
    refresh();
    
    WINDOW* win1 = newwin(37, 30, 0, 0);
    WINDOW* win2 = newwin(-1, 80, 37, 0);
    
    for (int n = 0; n < 36; ++n)
        wprintw(win1, "test\n");
    wprintw(win2, "test\ntest");
    wrefresh(win1);
    wrefresh(win2);
    
    cbreak();
    noecho();
    
    char c = 0;
    while (c != '\n')
    {
        c = wgetch(win2); // This line hangs whole system
        putchar(c);
        wrefresh(win2);
    }
    
    endwin();
    return 0;
}