The TCommLSRead structure

 // CommLSRead
 TCommLSRead    struct
  Result                sbyte   // The function call result.
  Port          byte    // The port to which the I2C device is connected.
  Buffer                byte[]  // The buffer used to store the bytes read from the I2C device.
  BufferLen     byte    // The size of the output buffer on input.  This field is not updated during the function call.
 TCommLSRead    ends

Possible Result values include ERR_COMM_BUS_ERR, ERR_COMM_CHAN_INVALID, STAT_COMM_PENDING, ERR_COMM_CHAN_NOT_READY, ERR_INVALID_SIZE, and NO_ERR.