Casting To and From void*

In C++, pointers are strongly-typed. Therefore, you can’t assign a void pointer to any other pointer type without casting it explicitly:

 int n;void *p = &n;int *pi=static_cast< int* >(p);//C++ requires explicit cast

In C, the explicit typecasting is not required. By contrast, you can assign any data pointer to void* without casting:

 string s;void *p=&s; // no cast required here

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