Answer Posted / santosh

Pointer to constant: If pointer is pointing to constant
variable is caller pointer to constant. We can not change
the value of that constant.
const int constVariable = 6;
int *ptrConstVar = &constVariable;

Constant Pointer: We declare a pointer as constant. We can
change the content pointed by pointer. But we can not do any
airthmatic operation on the pointer like increment or decrement.
int localVariable =10;
const int *p = &localVariable;

we can not do p++ or p--;

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