Normally there is at most one signal attached to a vvp functor, but
due to port collapsing, there can be more than one. If these signals
are array words, we need to trigger vpi callbacks on all the associated
arrays when the functor value changes.
This patch makes the code consistently use struct/class in the C++ files,
it removes a couple shadow warnings and where a class pointer is passed to
the C routines, it defines the pointer as a class for C++ and as struct for
C and it removes a namespace std duplication.
Martin Whitaker
Cary R
Arun Persaud
Stephen Williams