Where is Memory Allocated During Dynamic Memory Allocation in C Programming

Question: Where is Memory Allocated During Dynamic Memory Allocation in C Programming Answer: Dynamic memory allocation in which memory is more explicitly (but more flexibly) managed, typically, by allocating it from the free store (informally called the “heap”), an area of memory structured for this purpose. In C, the library function malloc() is used to … Read more

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What is Memory Leak in C?

Question: What is a Memory Leak in C? Answer: In systems, functions ‘malloc()’ and ‘free()’ maintain pool of available memory for use by processes under dynamic requirements. This pool of memory is a limited resource. If a program is allocated memory from this pool and does not free up the chunk when it is no … Read more

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Common Errors During Dynamic Memory Allocation in C

Question5: What are Common Errors Which Might Occur While Memory Being Allocated Dynamically in C? Answer: Each dynamic allocation function allocates requested chunk from the pool of available memory and returns a pointer pointing to the beginning of the block. The most common error is dereferencing the pointer without verifying whether allocation is successful or … Read more

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Dynamic Memory Allocation in C using malloc(), calloc(), free() and realloc() Functions

This C Tutorial explains various Dynamic memory Allocation Functions viz. – malloc(), calloc(), realloc() and free() in C Language, with examples. Functions malloc(), calloc(), realloc() are used for dynamic allocation while free() used for deallocation of block allocated to by malloc(), calloc() or realloc(). Let us differentiate among them by experimenting, first we consider malloc(), … Read more

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Dynamic Memory Allocation in C with Examples

This C Tutorial explains Dynamic Memory Allocation in C with examples. Dynamic memory allocation in C is the process of manually allocating memory during runtime when the size of the array you declared is insufficient. In simple means, when you required the desired amount of memory, you are allocated, you worked up with and when … Read more

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What is Free Pool of Memory in C?

Question: What is a Pool of Free Memory and How is this Used in C? Answer: Two processes malloc() and free() maintain available memory in the System as pool of free memory for use by processes requiring dynamic allocation. When a program requests for dynamic allocation, malloc() attempts to allocate requested block of memory from … Read more

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Difference between Compile Time and Run Time Memory Allocation in C

Question: What is Difference Between Compile-Time and Run-Time Memory Allocation in C Programming? Answer: Let’s try out following programs, first, /* compiletime_vs_runtime1.c — program differentiates between two */ #include <stdio.h>   int main() { float marks[10]; int i;   puts("user, enter marks of 10 students…"); for (i = 0; i < 10; i++) scanf("%f", &marks[i]); … Read more

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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