gpioiic_i2c_write_byte   65 dev/gpio/gpioiic.c int		gpioiic_i2c_write_byte(void *, u_int8_t, int);
gpioiic_i2c_write_byte  177 dev/gpio/gpioiic.c 	sc->sc_i2c_tag.ic_write_byte = gpioiic_i2c_write_byte;