Shulou(Shulou.com)05/31 Report--

This article mainly explains "how to use _ _ cplusplus in c language". The content of the explanation in this article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to use _ _ cplusplus in c language".

1. _ _ cplusplus and extern "C" are generally used in pairs. If _ _ cplusplus is defined (the macro is defined by default in the cpp file), it will be compiled in C language.

2. It is unique in C++. _ _ cplusplus is actually C++.

Example

# ifndef _ _ CODERSRC_H__ / * prevent the header file from being repeatedly referenced * / # define _ CODERSRC_H__ # ifdef _ cplusplus / / tell the compiler that this part of the code is compiled in the C language format instead of C++ 's extern "C" {# endif / *. * do something here *.. * / # ifdef _ _ cplusplus} # endif # endif / * end of _ CODERSRC_H__*/ Thank you for your reading. This is the content of "how to use _ _ cplusplus in c language". After the study of this article, I believe you have a deeper understanding of how to use _ _ cplusplus in c language, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.