I have already written a blog post on C storage class specifiers. In this blog post, we only focus on static storage duration. It means in this blog post you will learn what is the meaning of static storage duration in C programming. The storage duration of a variable determines…
In this article, I will explain the difference between const int*, const int * const, and int const *. If you are learning C programming and the following questions are coming to your mind. For example, What is the difference between const int * and int * const? What is…
Do you know the Clockwise/Spiral Rule in C/C++? If your answer is “NO”, then don’t worry in this article you will learn about the Clockwise/Spiral Rule. But, if you already know the Clockwise/Spiral Rule, then this blog post will help you in quick revision. Let’s Begin. The Clockwise/Spiral technique is…
In this tutorial, you will learn the concept of _Generic keyword with a programming example. It will also help you to write a program on how to check a variable is const qualified in C. So let’s first understand what _Generic keyword ( _Generic selection ) is. _Generic keyword (since…
Do you know the const qualifier? If you’re reading this article, I believe your answer will be Yes. Here I will not discuss how to use the const keyword and what is the const keyword. But I will discuss how to know a variable is const qualified or not. ➤…
Do you have use macro constants and constant variables in your code? If you’re reading this article, then it is likely that you answered yes. I believe below questions definitely comes to your mind that are the followings. What is the difference between macro constants and constant variables in C?…
In this tutorial, you will learn what is strncpy_s and how to use strncpy_s in C programming. I have already written the blog post on why strncpy is unsafe?. If you want, you can also read this blog post it helps you understand why strncpy_s is introduced by the C…
Many newbies ask these questions, “How to access global variable if there is a local variable with the same name in C/ C++?”, “What happens if the local and global variable has the same name?” or “Can a local and a global variable have the same name in C”. So…
Why strncpy is not safe? Is the use of strncpy marked as unsafe? Why is strncpy insecure? If you are asking any of the above questions and looking for their answers, well you have come to the right place. Many people ask me to write an article about why strncpy…
How to write a C program to read a file and print its contents? Can I print the contents of a file? How to print the contents of a file in C? Write a C program to read the contents of a file and display it on the console? If…