NXC  Version 1.2.1 r5
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bool SetSensorHTProtoDigitalControl ( const byte  port,
byte  value 

Control HiTechnic Prototype board digital pin direction.

Control the direction of the six digital pins on the HiTechnic prototype board. Returns a boolean value indicating whether or not the operation completed successfully. The port must be configured as a Lowspeed port before using this function.

portThe sensor port. See Input port constants.
valueThe digital pin control value. See SuperPro digital pin constants. OR into this value the pins that you want to be output pins. The pins not included in the value will be input pins.
The function call result.