C programming remains one of the most important languages for software engineering, embedded systems, operating systems, drivers, and firmware development. In technical interviews, companies frequently ask questions related to Pointers Memory management. Storage classes Macros. Const and volatile Undefined behavior Bitwise operators Arrays and strings Embedded C concepts In this article, I have compiled 100+ […]
Top C Interview Questions & Answers Read More »
In this blog post, you will learn how to pass arrays (both one-dimensional and multidimensional arrays) to a function in C programming with the help of examples programs. Mainly I will focus on how to passing 2d array to the C function. But before explaining how to pass array in function, I want to give
How to pass an array as a parameter in C? Read More »
In C language, memory is allocated at runtime using the memory management functions (calloc, malloc … etc.). The memory management functions are guaranteed that if the memory is allocated, it would be suitably aligned to any object which has the fundamental alignment. The fundamental alignment is less than or equal to the largest alignment that’s
15 mistakes with memory allocation in C Read More »
At the beginning of the career, many developers fear to use dynamic memory allocation. In this article, I will explain 10 interview questions on dynamic memory allocation C. If you are looking for interview questions on dynamic memory allocation C or tricky interview questions on memory allocation in c, then you are at the right
10 Questions on dynamic memory allocation in C Read More »
The allocation of dynamic memory is very simple, we need to call a library function (malloc, calloc, etc.) to allocate the memory at runtime (from the heap), after using the allocated memory it again called a different function (free, realloc) to release the allocated memory. The allocation of memory at the runtime is great features
Problem with Dynamic Memory Allocation Read More »
In this article, I shall not discuss the all the storage duration, only discuss the dynamic memory allocation and the library function that is used to allocate memory at runtime. There are also some advantage and disadvantage of dynamic memory allocation, so I shall also try to focus on this points. According to C standard,
Dynamic memory allocation in C, a brief introduction Read More »
The const volatile are fascinating keywords that make many people confuse. The volatile keyword is a type qualifier that prevents the objects from the compiler optimization. According to C standard, an object that has volatile-qualified type may be modified in ways unknown to the implementation or have other unknown side effects. You can also say
Application of volatile and const keywords in C Read More »
In this tutorial, you will learn about the dangling pointer, void pointer, NULL, and wild pointer in C. I have already written a brief article on these topics. The main aim of this blog post to give you a quick introduction to these important concepts. Also, I will describe different states of the pointer with
Dangling, Void , Null and Wild Pointer in C Read More »
Generally, I saw many people asked the question that what is the difference between memcpy and memmove (memmove vs memcpy)?. So to solve the question I am writing an article on it but before going to compare them, I want to explain the implementation and working of memcpy and memmove. What is memcpy in C? The
What is difference between memmove and memcpy (memmove vs memcpy)? Read More »
In this article, we will learn what is void pointer in C and how we can use void pointer in our C code. If you are new in c programming, you should read this article “C pointer concept“. In the C language pointer is used to store the address of any variable or function but
void pointer in C/C++, you should know Read More »