C language

A Step-by-Step Guide to Analyzing C Language ‘if’ Structure Code and Its Implementation in ARM Assembly

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A Step-by-Step Guide to Analyzing C Language 'if' Structure Code and Its Implementation in ARM Assembly

Click the blue “One Bite Linux” in the upper left corner, and select “Set as Favorite“ Get the latest technical articles first ☞【Resources】Embedded Driver Engineer Learning Path ☞【Resources】Linux Embedded Knowledge Points – Mind Map – Free Access ☞【Employment】A comprehensive project based on Linux IoT that can be included in your resume ☞【Employment】Resume Template Assembly language … Read more

Say Goodbye to Long and Clumsy If-Else Statements! A Practical Guide to Table-Driven Methods in C Language

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Say Goodbye to Long and Clumsy If-Else Statements! A Practical Guide to Table-Driven Methods in C Language

Today, we won’t waste time on small talk; let’s dive directly into a design principle that isextremely important in program design — the Table-Driven Method (Table-Driven Methods). Many students, when writing code, encounter multiple branching conditions and their first reaction is to write a bunch of if-else or switch-case. While writing, it feels logical, but … Read more

Several C Language Syntax Tips and Features

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Several C Language Syntax Tips and Features

The C language often gives the impression that it can express very limited things. It lacks advanced features like first-class functions and pattern matching. However, C is very simple and still has some very useful syntax tricks and features that not many people know about. 1 Designated Initialization Many people know how to statically initialize … Read more

Choosing an Automated Testing Framework for C Language and Best Practices for Assertions

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Choosing an Automated Testing Framework for C Language and Best Practices for Assertions

Introduction In C language project development, unit testing is an important means to ensure code quality. However, as a low-level language, C lacks the rich standard testing frameworks found in higher-level languages like Java and Python. This article will systematically review the characteristics and applicable scenarios of mainstream C language automated testing frameworks from a … Read more

Day 5 of Learning C/C++: Operators in C Language

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Day 5 of Learning C/C++: Operators in C Language

1. Arithmetic Operators: +, -, *, /, % (modulus is also remainder)All the above arithmetic operators are binary operators (the operator is between two operands).It is important to note that in C language, integer division is always integer division, returning only the integer part and discarding the decimal part, as shown in the figure below. … Read more

Can You Master C Language and Join the National Team?

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Can You Master C Language and Join the National Team?

At 20 years old, Qu Geping stands on the National Games stage with programming assignments in hand. This former key midfielder of the national youth team has returned to the green field after a year of rehabilitation. Now, being a “professional player” is no longer his only identity—he is also a student at Jilin University … Read more

C Language Performance Optimization Secrets: Using #define to Define ‘Pseudo Functions’ and Eliminate Function Call Overhead

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C Language Performance Optimization Secrets: Using #define to Define 'Pseudo Functions' and Eliminate Function Call Overhead

0 Introduction Recently, I encountered a situation where the ROM size was quite tight, and the code size was too large, resulting in the inability to fit all the code into the ROM. I had to optimize the C code line by line. During the optimization process, I noticed that in previous cases, some frequently … Read more

Detailed Analysis of C Language Programming Exam Points for Vocational Education Entrance Examination

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Detailed Analysis of C Language Programming Exam Points for Vocational Education Entrance Examination

As the vocational education entrance examination approaches, preparation for computer science courses has entered a critical stage. C language programming, as an important skill subject in computer science, has always been a key and challenging area in the exam. Today, we will provide a detailed analysis of the main exam points for C language programming … Read more

LLVM Weekly #620: Strong Typing for C Language? RISC-V Packed-SIMD Support Lands!

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LLVM Weekly #620: Strong Typing for C Language? RISC-V Packed-SIMD Support Lands!

LLVM Ecosystem Pulse The LLVM ecosystem is evolving comprehensively at an unprecedented speed. This week, we not only witnessed the vigorous development of community activities but also observed fundamental discussions on the safety of the C language, instruction-level support for emerging hardware like RISC-V, and the redesign of internal optimization passes. What do these seemingly … Read more