c 2b 2b generic pointer

1void*  gp;    //generic pointer
2int*  ip;     //int pointer
3char*  cp;    //char pointer
4
5gp = ip;      //legal conversion
6ip = static_cast<int*>(gp); //explicit cast required
7                            //in C++ but not in C
8cp = ip;      //illegal conversion
9*ip = 15;     //legal dereference of pointer to int
10*ip = *gp;    //illegal generic pointer dereference
11