In the C language, data types refer to a broad system used to declare different types of variables or functions. The type of a variable determines the amount of space it occupies in storage and how the stored bit patterns are interpreted. Index Type and Description 1 Basic Data Types These are arithmetic types, including … Read more
3. Analyzing from the Perspective of Compiler Semantics In fact, we have already covered a lot about the compiler’s understanding of the syntax and semantics of the C language in the previous section. Below, we will further explain this logic from the compiler’s output. In this article, we will first paste the compilation results of … Read more
Understanding C Language File Operations – An Array in Essence There are four main components of C language files: Opening (Creating) and Closing Files、Read and Write Operations、Positioning Operations、Error Checking，this article will explain the first two topics. 🌟 1. Opening and Closing Files •<span>fopen</span> •Function：Opens a file and returns a pointer to that file. •Prototype：<span>FILE *fopen(const … Read more
In today’s digital age, programming has become an essential skill. For college students, learning C language not only lays a solid programming foundation but also opens up more possibilities for future career development. This article will analyze the five major benefits of college students learning C language and introduce high-quality C language training resources in … Read more
Today, let’s talk about character arrays in C language—this “text processor” in the programming world. Character arrays are like your word processor, helping you efficiently store and process text data. Mastering the use of character arrays will make your programming more flexible and powerful. Definition and Initialization of Character Arrays A character array is an … Read more
User Comments: @Scarlett_北冥雨夜: You should learn PHP first @Mr_HaiTwo: Expectation: Java, Reality: PHP, Python, C++, Shell, JS, HTML @Professor Liu from Qinhuai Hospital, 3rd Floor: C language is very deep @NereusP: I started learning with Xijia, so I know both C and Java @Why do you care what others think: I feel that C language … Read more
Content Source: Sun Wukong Seeking Knowledge Basic Terminology of State Machines Current State: Refers to the state currently being occupied. Condition: Also known as “event”, when a condition is met, it will trigger an action or execute a state transition. Action: The action executed after the condition is met. After the action is completed, it … Read more
Hello everyone, I am Xiaomai. Today, we will discuss programming standards. I previously wrote an article titled “A Comprehensive Compilation of Linux Kernel Source Code Standards” because Linux is a large open-source project developed by many people, and the importance of adhering to corresponding programming standards is evident. Although what suits you best is the … Read more
Microcontrollers have many names, such as MCU (Microcontroller Unit) and microcontroller. With the popularity of the Internet of Things, the demand for microcontrollers is increasing. At the same time, as the performance and resources of microcontrollers improve, the number of programming languages for developing microcontrollers is also growing. So, do you know which mainstream development … Read more
1. Design Philosophy and Core Advantages of Dynamic Module Loading The Linux dynamic module loading mechanism (Loadable Kernel Modules, LKMs) is not merely a technical choice, but a systematic solution evolved to meet the core needs of embedded systems—resource efficiency, hardware diversity, security control, and development flexibility—which are deeply integrated into its design philosophy and … Read more