C language Articles - Page 2 of 51

Design Patterns: Exploring Embedded C Language Implementation – 3. Decorator Pattern

2025-12-16 by boardor

Series, click the above [Microcontroller and Microcontrol Development Journal] to follow this account to avoid losing it.Introduction: This article will briefly describe the Decorator Pattern from “Head First Design Patterns” and implement this pattern using C language. It will also explain the C language features used in the implementation;Background of the Decorator Pattern Implementation: Starbucks … Read more

The Modbus Savior for Embedded Developers: Full-Function Industrial Communication in 2000 Lines of Code!

2025-12-16 by boardor

Hello everyone, I am Mai Ge. In industrial automation and IoT device development, the Modbus protocol has become a commonly used standard for device communication due to its simplicity and reliability. However, efficiently implementing the Modbus protocol in resource-constrained embedded systems is often a significant challenge. This article will introduce a lightweight C language library … Read more

How to Learn C Language Programming for Embedded Systems?

2025-12-16 by boardor

Everyone is quite familiar with the C language, but do you have this question: why, after learning C for so long, are you still stuck at the beginner level? I have seen many summaries of others’ programming experiences and found that most of them talk about their programming skills. Everyone knows that good programming skills … Read more

Detailed Explanation and Examples of Input and Output Stream Operations in C Language

2025-12-15 by boardor

Detailed Explanation and Examples of Input and Output Stream Operations in C Language In C language, input and output (I/O) is the primary way for programs to interact with the external environment. Through the standard input-output library <stdio.h>, we can easily read and write data. This article will provide a detailed introduction to input and … Read more

C Language Exercises – Day 11

2025-12-15 by boardor

01 The ASCII value of the digit character ‘0’ is 48. Given the following program: main() { char a=’1′,b=’2′; printf(“%c,”,b++); printf(“%d\n”,b-a); } The output of the program is: A) 3,2 B) 25,2 C) 2,2 D) 2,25 Answer: C Explanation: printf(“%c, b++): The initial value of b is ‘2’ (ASCII value 50); b++ is a post-increment, … Read more

C Language Exercise Class – Day 10

2025-12-15 by boardor

01 Read the following program: void swap(char *x, char *y) { char t; t=*x; *x=*y; *y=t; } main() { char *s1=”abc”, *s2=”123″; swap(s1,s2); printf(“%s,%s\n”,s1,s2); } The output of the program is A) 123,abc B) abc,123 C) 1bc,a23 D) 321,cba Answer: C Analysis: The function swap works as follows: t = *x; saves the character pointed … Read more

C Language Exercise Class – Day 7

2025-12-15 by boardor

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

Applications of C Language in Game Development: Graphics and Logic

2025-12-15 by boardor

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

2025-12-15 by boardor

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

2025-12-15 by boardor

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 '\0'. The C standard library provides a series of functions to handle strings, which are defined in the header file <string.h>. This article will detail commonly used string handling … Read more