Dynamic Memory Allocation in C (Hindi) | Part 3 | malloc(),calloc() free() Function | Suraku Academy

Описание: In this video, we take a deep dive into Dynamic Memory Allocation (DMA) and understand the practical working of malloc(), calloc(), and free() with clear syntax, declaration, and real coding examples.

This lecture focuses on important concepts that students often find confusing, especially how dynamically created memory blocks behave internally.

Topics Covered in This Video:

• Declaration and syntax of malloc().
• Declaration and syntax of calloc().
• Declaration and syntax of free().
• Practical examples of memory allocation.
• How memory blocks are created without any name.
• Why dynamically allocated memory is accessed only through pointers.
• What happens when memory allocation fails.
• The mystery of:
• NULL (null pointer)
• 0 (integer zero)
• '\0' (null character)
• Difference between malloc() and calloc().
• Importance of checking NULL before using memory.
• Why free() is necessary to prevent memory leaks.

When memory is allocated using DMA functions, the created memory blocks do not have any variable name. They are accessed only through the pointer that stores their address.
If allocation fails, the function returns NULL, which must always be checked before using the pointer.

The confusion between NULL, 0, and '\0' is also cleared with practical examples so that you never mix them up in exams or interviews.

Who Should Watch This Video?
• BCA / MCA / B.Tech / Diploma students
• UGC NET Exams.
• Students preparing for computer anudeshak exam (BCI/SCI)
• Beginners learning C Language
• Students preparing for university exams
• Anyone who wants strong fundamentals of memory management

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