Basics of Pointer | Pointer Operators | Pointer Declaration | Pointer Initialization

2. int x;
int x;

3. int x;
x
int x;
0x124

4. int x; 5
x
int x;
x=5;
5
0x124

5.  A variable that stores address
of another variable
of another variable

6. Operator
 Referencing / Address of Operator
unary
operators
Operator
 Dereferencing / Indirection / Value at
Address operator

7. Operator
 Referencing / Address of Operator
Operator
 Dereferencing / Indirection / Value at
Address operator
Obtain the
address
of a variable

8. Operator
 Referencing / Address of Operator
Declare the
pointer
Operator
 Dereferencing / Indirection / Value at
Address operator
pointer

9. x
&x 5
x
&x
*(&x)
5
0x124

10. int x; int *p;
datatype *var-name;
int x; int *p;

11. int x; int *p;
datatype *var-name;
x
0x124
p
0x555

12. int x;
x=5;
int *p;
datatype *var-name;
x=5;
5
x
0x124
p
0x555

13. int x;
x=5;
int *p;
p=&x;
datatype *var-name;
x=5; p=&x;
5
x
0x124
0x124
p
0x555

14. int x;
x=5;
int *p = &x;
datatype *var-name;
x=5;
5
x
0x124
0x124
p
0x555

15. 5
x
0x124
0x124
p
0x555
0x124 0x555
x
&x
*(&x)
p
&p
*p