btn               753 lib/tty/key.c      int btn;
btn               761 lib/tty/key.c          btn = tty_lowlevel_getch () - 32;
btn               777 lib/tty/key.c          btn = ev->x = ev->y = 0;
btn               784 lib/tty/key.c              btn = 10 * btn + (c - '0');
btn               803 lib/tty/key.c              btn = 3;
btn               809 lib/tty/key.c      if (btn == 3)
btn               840 lib/tty/key.c          if (btn >= 32 && btn <= 34)
btn               842 lib/tty/key.c              btn -= 32;
btn               857 lib/tty/key.c          switch (btn)