Why Do We Need Callback Functions? In traditional synchronous programming, we directly call functions and wait for their return results. This pattern is simple and intuitive, but when faced with time-consuming operations (such as I/O operations, network requests, etc.), the thread gets blocked, leading to low resource utilization. Callback functions are key to solving the … Read more
1. Introduction In C programming, pointers are one of the most error-prone areas, especially when multiple pointers are involved, which can be quite confusing. This article analyzes the commonly used complex pointers in embedded systems to clarify the common pitfalls in using pointers in C language. 2. Function Pointers and Pointer Functions In C language, … Read more
Static is a keyword in C language that can be used for variables and functions, meaning we can declare static variables and static functions. The scope of ordinary variables is limited to the range where they are defined, while static variables have a scope that extends throughout the program. The static keyword can be used … Read more
Click the blue text Follow us Function and Classification of C Statements 01 Function of C Statements A function consists of a declaration part and an execution part. The execution part is composed of statements, which issue operation instructions to the computer system, requesting the execution of corresponding operations. A C statement generates several machine … Read more
Click on the blue text Follow us Due to changes in the public account’s push rules, please click “View” and add “Star” to get exciting technical shares as soon as possible Source from the internet, infringement will be deleted 1. Function Pointers Before discussing callback functions, we need to understand function pointers. As we all … Read more