NXC  Version 1.2.1 r5
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byte NXTLineLeaderResult ( const byte &  port,
const byte &  i2caddr 

Read NXTLineLeader result.

Read the mindsensors NXTLineLeader device's result value. This is a single byte showing the 8 sensor's readings. Each bit corresponding to the sensor where the line is seen is set to 1, otherwise it is set to 0. When all 8 sensors are over a black surface the result will be 255 (b11111111). The port must be configured as a Lowspeed port before using this function.

portThe sensor port. See NBC Input port constants.
i2caddrThe sensor I2C address. See sensor documentation for this value.
The NXTLineLeader result value.