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Memory Allocation Functions

Memory Allocation Functions

In C, memory can be allocated dynamically during execution of a program
This is a very necessary feature when we do not know (at the time of writing the program) how much memory is needed.

Examples:
How many elements are needed in an array.
Number of students in a class can be different for different classes.
This is a very powerful feature but can also lead to various runtime errors (null pointer exception etc.)

Conceptual view of memory
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We can refer to memory allocated in the heap only through a pointer.

Accessing Dynamic Memory
Pointer Definition and Declaration,Features of Pointers,Pointer Variables Declaration,Initialization of the pointer variable,difference between Pointers and Functions,Pointers and Functions,Dangling Memory in pointers,Pointer Arithmetic,Incrementing a Pointer,Decrementing a Pointer,Pointer comparisons,Pointer Arithmetic and Arrays,Pointer to Pointer,Arrays and Pointers,Pointer to Void,Memory Allocation Functions,Conceptual view of memory,Accessing Dynamic Memory,Memory Management functions,Block Memory Allocation – Malloc,Contiguous Memory Allocation – Calloc,Reallocation of Memory – Realloc,Releasing Memory,Introduction to Pointers,define pointer in c language,c programming pointers,what is pointer in c language,use of pointers,difference between arrays and pointers,role of pointer,pointers concept in c language,how to declare pointer variable in c,pointer declaration in c language,Overview of Pointers,cse study zone,real time examples for pointers,pointers examples

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