Hello everyone! I am Xiaokang. Today, we are going to discuss a topic that sounds dull but actually hides a lot of secrets — C language macros. ⚡ Friendly Reminder: Follow me to stay updated! There will be more hardcore technical articles shared later, guiding you through Linux C/C++ programming! 😆 What? Macros? Isn’t that … Read more
Building and Searching a Binary Search Tree in C Language Introduction A Binary Search Tree (BST) is a special type of binary tree that has the following properties: Each node has a value. For each node, all values in its left subtree are less than the value of that node. For each node, all values … Read more
In the development of embedded systems and operating systems, interrupts are an important mechanism. They allow programs to respond immediately to specific events without the need to constantly poll device status. This article will provide a detailed introduction to interrupt handling in C language and its related concepts, suitable for beginners to learn. What is … Read more
Project Management in C Language: Version Control and Documentation Management In software development, especially when developing projects using the C language, effective project management is a crucial factor in ensuring code quality and team collaboration. This article will introduce two key aspects of project management: version control and documentation management, along with corresponding code demonstrations. … Read more
Unit Testing Methods and Practices in C Language In software development, unit testing is an important testing method used to verify the correctness of the smallest testable units in a program (usually functions or modules). This article will introduce unit testing methods and practices in C language, helping basic users understand how to write and … Read more
Problem: Example 066 Problem: Input three numbers a, b, c, and output them in order of size. Program Analysis: Use pointer method. NEXT Solution: # include<stdio.h> void swap(int *, int *); int main(void) { int a, b, c; int *p1, *p2, *p3; printf(“Input a, b, c:\n”); scanf(“%d %d %d”, &a, &b, &c); p1 = &a; … Read more
In the field of the Internet of Things (IoT), the C language is widely used due to its efficiency and direct control over hardware. This article will introduce how to use C language for communication between sensors and devices, helping beginners understand this process. 1. What is the Internet of Things? The Internet of Things … Read more
Previously, we have used basic data objects as elements of an array, such as an array A, which has elements of type int and a total of 10 elements. We can declare such an array using int A[10].Now, let’s expand our thinking: can we use an array as an element of another array? For example, … Read more
Data Encryption and Decryption Methods in C Language In modern computer science, the security of data has become increasingly important. Encryption and decryption are effective means of protecting sensitive information. In this article, we will introduce how to implement simple data encryption and decryption methods using the C language. What are Encryption and Decryption? Encryption: … Read more
Basics of Device Driver Development in C Language A device driver is a bridge between the operating system and hardware, responsible for managing and controlling hardware devices. This article will introduce how to develop simple device drivers using the C language, suitable for beginners. 1. What is a Device Driver? A device driver is a … Read more