C Language For Loop: Efficient Iteration Programming Techniques In C language, <span>for</span> loop is a very commonly used control structure that allows us to repeatedly execute a block of code under a specific condition. Compared to other loop structures like <span>while</span> and <span>do…while</span>, the <span>for</span> loop is usually more concise and readable, making it particularly … Read more
Various Methods and Examples of File Read and Write Operations in C Language In C language, file read and write operations are one of the important basic operations. Through files, we can persistently store data on disk or read data from the disk. In this article, we will detail several main methods for performing file … Read more
Click the blue “One Click Linux” in the upper left corner, and select “Set as Favorite“ Get the latest technical articles first ☞【Essentials】Learning Path for Embedded Driver Engineers ☞【Essentials】Linux Embedded Knowledge Points – Mind Map – Free Access ☞【Employment】A Comprehensive IoT Project Based on Linux for Your Resume ☞【Employment】Resume Template Dynamic memory management is a … Read more
This is a short document describing the preferred coding style for the Linux kernel. Coding style is very personal, and I won’t force my views on anybody, but this is what goes for anything that I have to be able to maintain, and I’d prefer it for most other things too. Please at least consider … Read more
(Click the blue text above to quickly follow us) Compiled by: Bole Online/PJing, English: Rob Pike If you have good articles to submit, please click → here for details [Bole Online Guide]: Rob Pike is one of the most renowned software engineers at Google, a former member of the Bell Labs Unix development team, and … Read more
1. The Basic Relationship Between const and Pointers In C, the combination of the const keyword with pointers can create a powerful type safety protection mechanism. Depending on the position of const, four different pointer types can be generated: int a = 10; int b = 20; // 1. Pointer to a constant const int … Read more
Today, let’s talk about one-dimensional arrays in C language—this “data treasure trove” in the programming world. A one-dimensional array is like your personal library, helping you store and manage a large amount of data in an orderly manner. Mastering the principles and usage of one-dimensional arrays will make your programming more efficient and precise. The … Read more
#include <stdio.h> #include <string.h> #include <ctype.h> typedef void (*funcPtr)(char *); // 1. Remove leading and trailing whitespace (similar to Python's strip) void trim(char *str) { int i = 0, j; int len = strlen(str); // Remove leading whitespace while (isspace(str[i])) i++; // Remove trailing whitespace j = len – 1; while (j >= 0 && … Read more
Implementing Multiprocessing in C: fork and exec In operating systems, multiprocessing is an important mechanism that allows multiple processes to run simultaneously, thereby improving the efficiency and responsiveness of programs. In C language, <span>fork()</span> and <span>exec()</span> system calls are commonly used to create and manage new processes. This article will detail their working mechanisms and … Read more
C Language Interview: Signal Handling and Inter-Process Communication In modern operating systems, inter-process communication (IPC) and signal handling are two very important concepts. In C language interviews, examiners often focus on these two topics as they involve crucial aspects of system programming. This article will detail the basic concepts of signal handling and inter-process communication, … Read more