Help finding resources for programming NXT 2.0

I have a pair of NXT bricks with the 2.0 software and need some help with 3rd party sensors (hitechnic). I haven't been able to find the block data for the base NXT-G software and have little to no experience programming in BRIXCC with NXC language. I found a document that is a tutorial for NXC, however it does not have info about utilizing things like the gyro sensor or IR receiver. for now I just need to send commands to one and have the slave brick receive signals from the master to...