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2025-04-03 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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This article mainly introduces the relevant knowledge of how to use the callback function in c language, the content is detailed and easy to understand, the operation is simple and fast, and has a certain reference value. I believe you will gain something after reading this article on how to use the callback function in c language. let's take a look.
1. Declare a function pointer using typedef.
2. Use C language to implement an and function pointer return value type.
A function whose arguments are all the same (the name of the function is arbitrary).
3. Pass the implemented C language function as a parameter (in fact, the passed function pointer).
4. Call the callback function when the specific situation is satisfied.
Example
/ / callback function typedef int (* callBackFunc) () with no arguments; / / callback function with arguments, which can be one or more typedef int (* callBackFunc) (int x); typedef int (* callBackFunc) (int x, int y, int z) What is C language? C language is a process-oriented and abstract general programming language, which is widely used in low-level development. C language can be used to compile and process low-level memory in a simple way.
This is the end of the article on "how to use callback functions in C language". Thank you for reading! I believe everyone has a certain understanding of the knowledge of "how to use callback functions in c language". If you want to learn more, you are welcome to follow the industry information channel.
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