C Language Special: extern, volatile, and inline

In the C language, <span>extern</span>, <span>volatile</span>, and <span>inline</span> are three widely used keywords, each related to cross-file variable declarations, compiler optimization control, and function inlining. Mastering their usage can effectively enhance code structure, stability, and performance. 1. extern (External Variable Declaration) <span>extern</span> is used to declare global variables or functions defined in other files, enabling … Read more

C Language string.h Library – Memory Operations

string.h is one of the most commonly used libraries in C language, which can be broadly divided into memory operations and string operations. This article will detail all the functions in <span>memory operations</span>. 🌟 1. Memory Operations <span>memcpy</span> Function: Copies n bytes from the source address to the destination address. Prototype:<span>extern void *memcpy (void *__restrict … Read more

New AI Techniques! Boosting C Language Unit Testing Efficiency and Quality!

Click the blue text to follow immediately In today’s AI-driven era, the software development process is undergoing unprecedented changes. While cutting-edge AI models like DeepSeek and ChatGPT are widely used for code generation, documentation writing, and requirement analysis, significantly enhancing development efficiency, the field of C language unit testing remains mired in “manual mode”: facing … Read more

Fundamentals of C Language Programming: Input and Output (printf() and scanf())

In C language, input and output are the most basic operations, so it is essential to master some of the most commonly used rules. We mainly understand the standard library functions that implement input and output functionality defined in the <span><span><stdio.h></span></span> header file.1. Standard Output Function:printf() 1. Function Purpose and Functionality <span><span>printf()</span></span> is the most … Read more

C Language Swap Algorithm Using Temporary Variables

C Language Swap AlgorithmThe swap algorithm is one of the basic algorithms in C language, aimed at exchanging the values between variables without losing existing data.Temporary Variable MethodIn C language, there are various methods to swap the values of two or more variables, among which the temporary variable method is one of the easier to … Read more

C Language Structures: From Beginner to Mastery – A Comprehensive Guide

Recent Hot Articles C Language Learning Guide: Have You Mastered These Core Knowledge Points? C Language Functions: From Beginner to Mastery – A Comprehensive Guide C Language Pointers: From Beginner to Mastery – A Comprehensive Guide C Language Arrays: From Beginner to Mastery – A Comprehensive Guide Beginner’s Guide to Avoiding Pitfalls in C Language: … Read more

C Language Functions: From Beginner to Mastery – A Comprehensive Guide

C Language Learning Guide: Have You Mastered These Core Knowledge Points?Latest C Language Learning Path for 2025 | Beginner, Intermediate, PracticalBeginner’s Guide to Avoiding Pitfalls in C Language: Avoid These 12 Devilish Details to Double Your Efficiency! Main Content C Language Functions: From Beginner to Mastery – A Comprehensive Guide In the programming universe of … Read more

Object-Oriented Programming in C (Introduction)

Hello everyone, today we will discuss a topic that is both popular and somewhat <span>"non-mainstream"</span> in the embedded community, Object-Oriented Programming (OO) in C. C has long been the preferred language in the embedded field due to its efficiency, flexibility, and closeness to hardware. However, as embedded systems become increasingly complex, pure procedural programming sometimes … Read more

From ‘Segmentation Fault’ to the Stars: A Beginner’s Awakening Journey in C Language

《From ‘Segmentation Fault’ to the Stars: A Beginner’s Awakening Journey in C Language》 1. Getting Acquainted with C Language: The Awkward ‘Hello World’ #include <stdio.h> // I copied this line three times before getting it right int main() { printf(“Hello World”); // Why is it not print? return 0; // Does anyone really check the … Read more

The Impact of Trump on Japanese Semiconductor Company ‘RabiDas’

Header image generated by Doubao, prompt: chips cherry blossoms Japanese media generally view the pursuit of a balance in import and export trade between countries by U.S. President Trump as a “reciprocal tariff” that has caused significant shocks in finance, industry, international trade, and relations between countries, termed the “Trump Shock”.Among them, the semiconductor industry … Read more