btn               748 lib/tty/key.c      int btn;
btn               756 lib/tty/key.c          btn = tty_lowlevel_getch () - 32;
btn               772 lib/tty/key.c          btn = ev->x = ev->y = 0;
btn               779 lib/tty/key.c              btn = 10 * btn + (c - '0');
btn               798 lib/tty/key.c              btn = 3;
btn               804 lib/tty/key.c      if (btn == 3)
btn               834 lib/tty/key.c          if (btn >= 32 && btn <= 34)
btn               836 lib/tty/key.c              btn -= 32;
btn               851 lib/tty/key.c          switch (btn)