Qus:2- What is a pointer on a pointer in C programming language?

Answer 1

Pointer in c to store a address in variable

Answer 2

E.g. an address of a pointer variable.

Answer 3

Pointer to pointer..
Int **ptr;

Answer 4

Conserning "use the right tags";

Deepika Mourya why did you use javaScript, java, php in your tags if it concerns C ?