shift_ext_status  954 lib/tty/key.c          int shift_ext_status;
shift_ext_status  960 lib/tty/key.c          shift_ext_status = mod_status & 0xffffff00UL;
shift_ext_status  966 lib/tty/key.c          if ((mod_status & _LINESTATUS_CON_SHIFT) != 0 || (shift_ext_status & 0x00000800UL) != 0)