Symbol: DSXXXX_YEAR
sys/dev/i2c/ds1307.c
560
dt->dt_year = bcdtobin(bcd[DSXXXX_YEAR]) + sc->sc_base_year;
sys/dev/i2c/ds1307.c
588
bcd[DSXXXX_YEAR] = bintobcd((dt->dt_year - sc->sc_base_year) % 100);