What's the point of const pointers?

Question

I\'m not talking about pointers to const values, but const pointers themselves.

I\'m learning C and C++ beyond the very basic stuff and just until today I realized t

Answer 1

Types of declaring any variables like-
(1)Declaring a constant variable.
DataType const varibleName;


 int const x;
    x=4; //you can assign its value only One time

(2)Declare a pointer to a constant variable
const dataType* PointerVaribleName=&X;

 const int* ptr = &X;
     //Here pointer variable refer contents of 'X' that is const Such that its cannot be modified

dataType* const PointerVaribleName=&X;

 int* const ptr = &X;
     //Here pointer variable itself is constant  Such that value of 'X'  can be modified But pointer can't be modified