C Programming Tutorial DAY 12 |Dynamic Memory Allocation |malloc | calloc|realloc|free|CodeDeveloper

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Dynamic Memory Allocation in C using malloc(), calloc(), free() and realloc()
Since C is a structured language, it has some fixed rules for programming. One of it includes changing the size of an array. An array is collection of items
stored at continuous memory locations.

C provides some functions to achieve these tasks. There are 4 library functions provided by C defined under stdlib.h header file to facilitate dynamic memory allocation in C programming. They are:
1.#malloc()
2.#calloc()
3.#free()
3.#realloc()

1. “malloc” or “memory allocation” method in C is used to dynamically allocate a single large block of memory with the specified size.

2. “calloc” or “contiguous allocation” method in C is used to dynamically allocate the specified number of blocks of memory of the specified type. It initializes each block with a default value ‘0’.

3.“realloc” or “re-allocation” method in C is used to dynamically change the memory allocation of a previously allocated memory.

4“free” method in C is used to dynamically de-allocate the memory.

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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