/**
* This file contains an implementation of the callback interface for level 1
* in the protocol library. If you compare the implementation with the one
- * in interface_v0.c you will see that this implementation is much easier and
+ * in interface_v0.cc you will see that this implementation is much easier and
* hides all of the protocol logic and let you focus on the application
* logic. One "problem" with this layer is that it is synchronous, so that
* you will not receive the next command before a answer to the previous