What are the reasons for casting a void pointer?

Question

I\'m learning C++ from scratch, and as such I don\'t have an expert understanding of C. In C++, you can\'t cast a void pointer to whatever, and I understand the reasons behi

Answer 1

One reason: if you use sort to sort an array of structs, and you have a comparison function for the two structs, you'll need to cast the void pointers to pointers to the structs to access members of the struct.