Pointer is a special type of variable, which actually stores thae address of the value of the variable of particular data type. So while we are using pointers we can retrive the address of the pointer variable by sing & operator and we can retrive the value of the variable by sing * operator and it is also called as indirection operator because we are storing the address of the value of the variable indirectly instead of storng the value of the variable. A developed program with pointers is more efficient in terms of accessing the variable values. example : int *a is the pointer variable declaration and int *p = 10 is initialisation and &p gives the address of value(10) of variable (*p)...