C Programming Tutorial DAY 10|Pointer|Access Pointer Variable|pointers with arrays| To Functions

What is meant by pointer is and why it can be used
How to Declare and access a pointer variable
Explain Pointer Increment/Decrement
Explain the use of pointers with arrays
Explain How Pointer To Functions can be used

Pointers in C language is a variable that stores/points the address of another variable. A Pointer in C is used to allocate memory dynamically i.e. at run time. The pointer variable might be belonging to any of the data type such as int, float, char, double, short etc.

KEY POINTS TO REMEMBER ABOUT POINTERS IN C:
Normal variable stores the value whereas pointer variable stores the address of the variable.
The content of the C pointer always be a whole number i.e. address.
Always C pointer is initialized to null, i.e. int *p = null.
The value of null pointer is 0.

1 Introduction
2 Operators
3 Decision Making and Looping Statement
4 String Handling Function
5 Array
6 Function
7 Recursive Function
8 Structure
9 Union
10 Pointer
11 Pointer with Array
12 Dynamic Memory Allocation
13 Files
14 Sequential and Random File Creation
15 Stack Operation
16 Queue Operation
17 Linked List
18 Circular Linked List
19 Binary Tree
20 Interrupts

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