C++ generic pointer

void*  gp;    //generic pointer
int*  ip;     //int pointer
char*  cp;    //char pointer

gp = ip;      //legal conversion
ip = static_cast<int*>(gp); //explicit cast required
                            //in C++ but not in C
cp = ip;      //illegal conversion
*ip = 15;     //legal dereference of pointer to int
*ip = *gp;    //illegal generic pointer dereference

Source: ooportal.com

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