Pointers:

 The Pointer is the special kind of variable , which is capable of storing the address of the another variable.

  

The general form of declaring the pointer variable is ,

          datatype *pointername;

        Consider the following statements ,

                int a=5;

               
   

 This statment will declare the pointer variable with the name , a and is capable of storing the value of an integer .This statement will intialise the variable a with the value 5.

                int *p;

                p=&a;

                

    int *p;

This statement will declare the pointer to an integer , that is , the pointer variable capable of storing the address of an integer type variable.

 p=&a;

 & operator(Ampersand) is also known as "Address Of" operator and is used to access the                                 address of a variable.

*p

* (Asteriek) Operator is also kown as "Value At Address" operator and is used to access the value                       stored at a particular address.

  *p ==> *(1000) ==> Value at Address 1000 ==> 5