Storage Classes in C: auto, extern, and static In C, the storage class of a variable determines its lifecycle, visibility, and initial value. In this article, we will delve into three main storage classes: <span>auto</span>, <span>extern</span>, and <span>static</span>. We will illustrate the characteristics and usage of each storage class through code examples. 1. <span>auto</span> Definition … Read more
Dynamic Memory Allocation in C: malloc and free In C programming, dynamic memory allocation is an important concept. It allows programs to request and release memory as needed during runtime. <span>malloc</span> and <span>free</span> are the two most commonly used functions for dynamic memory management. In this article, we will provide a detailed introduction to the … Read more
Analysis of Experiment Problems and Problem-Solving Ideas In the process of learning C language, experiment problems are an important part of assessing the mastery of theoretical knowledge. I bring you a C language final experiment problem-solving guide to help you navigate through the experiments with ease. Let’s look at the first problem: Sorting Character Arrays. … Read more
Implementing a Simple Text Editor in C Language In this article, we will implement a simple text editor using the C language. This editor will be able to read, display, and save text files, making it suitable for beginners to understand basic file operations and string handling. Requirements Analysis We aim to implement the following … Read more
Conditional Compilation in C: Flexibly Control Your Code In C, conditional compilation is a powerful and flexible tool that allows programmers to selectively compile code based on specific conditions. This technique is commonly used in scenarios such as debugging, version control, or platform adaptation. This article will provide a detailed introduction to conditional compilation in … Read more
Implementing a Scientific Calculator in C Language Introduction In daily programming, a simple calculator can perform basic operations such as addition, subtraction, multiplication, and division, while a scientific calculator can execute more complex mathematical operations, such as trigonometric functions and logarithms. This article will guide you on how to implement a simple scientific calculator using … Read more
Structures in C Language: Definition and Usage In the C language, a structure (struct) is a user-defined data type that allows the combination of different types of data into a single entity. Structures can enhance the readability and maintainability of code, enabling us to organize data in a more logical manner. This article will provide … Read more
When assigning values to registers using the C language, bit manipulation techniques in C are often required.C language bit manipulation methods. Clearing a specific bit in a register Assuming ‘a’ represents the register, which already has a value. If we want to clear a specific bit while keeping other bits unchanged, the code is as … Read more
“To become a master, it is not achieved overnight, unless one is a natural talent in martial arts, but such people… are one in ten thousand.” —— LandladyThis principle also applies to learning C language. There are indeed few people with extraordinary talent in programming; most of us need to go through a long process … Read more
Implementing a Simple Encryption and Decryption Tool in C In today’s article, we will implement a simple encryption and decryption tool using the C programming language. This tool is based on a very basic character substitution algorithm, allowing users to input a plaintext, encrypt it using a defined method, and then decrypt it back through … Read more