if (
       I2CStart() &&
       I2CTransmit(fullAddr) &&
       I2CGetAck() &&
       I2CTransmit(instruction) &&
       I2CGetAck() &&
       I2CStop()
      )

Is C *REQUIRED* to EXECUTE such expressions in order and short-circuit the
evaluation as soon as possible?  If so, then of course it could be:

        return(
               I2CStart() &&
               I2CTransmit(fullAddr) &&
               I2CGetAck() &&
               I2CTransmit(instruction) &&
               I2CGetAck() &&
               I2CStop()
              )

BillW

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