taglinefilesource code
lockstate1063drivers/char/console.ckbd_table[currcons].lockstate = 0;
lockstate21drivers/char/kbd_kern.hunsigned char lockstate;  /* 3 bits */ 
lockstate50drivers/char/kbd_kern.hreturn ((kbd->lockstate >> flag) & 1);
lockstate65drivers/char/kbd_kern.hkbd->lockstate |= 1 << flag;
lockstate80drivers/char/kbd_kern.hkbd->lockstate &= ~(1 << flag);
lockstate95drivers/char/kbd_kern.hkbd->lockstate ^= 1 << flag;
lockstate895drivers/char/keyboard.ckbd->lockstate = KBD_DEFLOCK;