Yea, that’s not a ROBOTC feature, I’m not even sure it’s a standard C feature.
You have to remember that ROBOTC is similar to C but is really its own language. It also has some C++ style features, for example, function overriding is not standard C but is supported in ROBOTC.
Have a read through the old programming tips thread for more insight. Some of this thread was written before all of the existing functionality was implemented, so ignore any discussion about lack of pointers etc.