Pointers are extremely important in C. However, to fully understand pointers, one must not only have a proficient grasp of the C language but also basic knowledge of computer hardware and operating systems. Therefore, this article aims to explain pointers comprehensively. Why Use Pointers? Pointers solve some fundamental problems in programming. First, using pointers allows … Read more
The account login system is essential in many system designs. Today, this login system has comprehensive features, including registration, login, password recovery, password modification, and a password masking feature that displays * when entering the password. Now, let’s get to the code! Table of Contents 1. Header Files & Structure & Basic Function Implementation 2. … Read more
Question: When performing pointer + operations, how much does the address actually offset? This question is essentially a fundamental issue in C programming. However, I have stumbled on this as well, so I write this as a lesson and a reminder for everyone. We know that the essence of a pointer is a memory address, … Read more
1. The illegal constant is: . A.‘\2’ B. ” ” C.‘3’ D.‘\483’ Answer: D Explanation: A backslash followed by a number is an escape character for an octal number, and octal cannot include the digit 8. 2. The incorrect C language identifier is . A.ABC B.abc C.a_bc D.ab.c Answer: D Explanation: An identifier is defined … Read more
The final exam is here! How has this semester been for you? Students who are not very confident don’t need to worry, the senior will gradually share final exam materials to help everyone prepare! Today, I bring youa summary of key points for the C language final exam + question bank! Students in need should … Read more
In the field of C language network programming, the read-write buffer plays a crucial role. It acts as a “transfer station” for data flow, efficiently handling data read and write operations in network communication, optimizing program performance, and enhancing the stability of data transmission. Today, we will delve into how to implement your own read-write … Read more
Hello everyone! Today I want to share with you a powerful C library – FFTW (Fastest Fourier Transform in the West). It is one of the fastest open-source libraries for Fourier Transform and is widely used in fields such as signal processing and image processing. Don’t worry if you don’t know what Fourier Transform is; … Read more
Follow+Star Public Account Number, don’t miss exciting content Author | strongerHuang WeChat Public Account | Embedded Column In the process of microcontroller development, the “message queue” is often used, and there are various implementation methods.This article shares the principles and mechanisms of queue implementation. Circular Queue The circular queue is a very useful data structure … Read more
Hello everyone! Today I want to share a particularly interesting topic – FastCGI. Are you still worried that C language cannot develop web applications? With FastCGI, C language can easily handle web development! Let’s explore this powerful interface protocol together. What is FastCGI? FastCGI is an upgraded version of CGI (Common Gateway Interface), allowing C … Read more
This question bank is compiled and organized based on the latest exam syllabus requirements, combined with the key points of recent exam questions, forming a complete simulation of the exam. Candidates can conduct targeted training to identify and fill knowledge gaps. This question bank carefully organizes and edits hot exam questions and key points, and … Read more