STATE_DIGIT 671 uspace/app/calculator/calculator.c state = STATE_DIGIT; STATE_DIGIT 675 uspace/app/calculator/calculator.c state = STATE_DIGIT; STATE_DIGIT 680 uspace/app/calculator/calculator.c case STATE_DIGIT: STATE_DIGIT 723 uspace/app/calculator/calculator.c state = STATE_DIGIT;HelenOS homepage, sources at GitHub