01 Observe the following statement: char str1[10], str2[10] = {“books”}; The correct statement that can assign the string “books” to the array str1 is A) str1 = {“Books”}; B) strcpy(str1, str2); C) str1 = str2; D) strcpy(str2, str1); Answer: B Explanation: For option A: Correct, using the standard library function to copy the string. For … Read more
The C language is a powerful programming language widely used in system software and game development. Although modern games typically use higher-level languages and engines, C remains the foundation for many low-level graphics and logic implementations. In this article, we will explore how to use C for simple game development, including basic graphics rendering and … Read more
Analysis of the Applications and Advantages of C Language in System Programming The C language is a general-purpose programming language widely used in the field of system programming. Its design intention is to provide an efficient, flexible, and hardware-near programming method, allowing programmers to directly manipulate computer hardware resources. This article will detail the applications … Read more
Comprehensive Analysis of String Handling Functions in C Language In C language, strings are stored as arrays of characters and are terminated with a null character <span>'\0'</span>. The C standard library provides a series of functions to handle strings, which are defined in the header file <span><string.h></span>. This article will detail commonly used string handling … Read more
In practical development, one often encounters the following question: #include "imx6ul.h" Clearly, this header file is not in the directory of the current <span>.c</span> file, yet the compilation passes smoothly. Why is this? This article will explain the header file search rules in C language for <span>#include</span>. 📌 1. Two Forms of <span>#include</span> <span>#include "filename"</span> … Read more
Follow usLearn Embedded Together, learn and grow together In C language, <span>void*</span> is a special pointer type known as “generic pointer” or “untyped pointer”. Unlike regular pointers, void pointers are not associated with any specific data type, which gives them unique flexibility and a wide range of applications. Core Advantages 1. Strong Generality, Can Point … Read more
Follow and star our public account for exciting content Today, I would like to share 10 amazing open source C language projects, hoping these resources will be helpful to everyone! 01 Webbench Webbench is a very simple website stress testing tool used on Linux. It uses fork() to simulate multiple clients accessing the specified URL … Read more
Introduction With the rapid development of the Internet of Things (IoT) and smart devices, edge computing has gradually become an important technological trend. Edge computing refers to processing data closer to the source to reduce latency, bandwidth consumption, and improve response speed. In this article, we will explore how to implement simple edge computing using … Read more
01 The followingcannot be defined as a user identifier: A) man B) _0 C) _int D) sizeof Answer: D Explanation: Among the given options, sizeof is a keyword in C language used to calculate the number of bytes occupied by a data type or variable. Since keywords cannot be used as user identifiers, The naming … Read more
01 The number of actual parameters in the function call statement func is func(f2(v1, v2), (v3, v4, v5), (v6, max(v7, v8))); A) 3 B) 4 C) 5 D) 8 Answer: A Analysis: The first actual parameter is f2(v1, v2), which is the result of a function call. The second actual parameter is (v3, v4, v5), … Read more