Analysis on the usage of http://www.cnblogs.com/rollenholt/archive/2012/03/20/2409046.htmlextern "C"
1.
IntroductionC ++ language was originally created as "a better C ", however, this does not mean that the compilation and connection methods used
In the previous article, I wrote about the expansion of C ++ comments, input and output, and local variable descriptions, as well as the comparison between the const modifier and # define in C, I have also received help from several C ++ friends.
extern "C" is used(1) in C + +, references to functions and variables in the C language, in the case of a C language header file (assuming cExample.h), the following processing is required:extern "C"{#i nclude "CExample.h"}In the header file of the
The previous essay wrote about C + + in comments, input and output, local variable description of the expansion, and the Const modifier and C in the comparison of # define, also got a few learning C + + friends help Explain, very grateful, I also
When reading some programs, there are always"# Ifdef _ cplusplusExtern "C "{# Endif "to figure out what is going on:
Microsoft-specific predefined macros_ Cplusplus defined for C ++ programs only.It means that if it is a C ++ programExtern "C "{And
1. dll introduction, dynamic library, and static library. The dynamic library saves disk space and the static library is large. You can write DLL files in multiple languages. The dynamic library can be loaded in two ways: implicit call and dynamic
A few days agoProgramIt is a C program written a long time ago. If you want to use the functions in it, the connection will find that the specific function cannot be found:
Assume that the old C library
C header file
/* ----------- C. H -------
Static LibraryFunctions and data are compiled into a binary file (. Lib ). When a static library is used to compile and connect executable files, the linker copies these functions and data from the library, and combine them with other modules of the
In Windows, there are two types of link libraries: Static link libraries. lib and dynamic link library. dll. Where a dynamic-link library is used, it usually provides a. lib, called the introduction library, which mainly provides functions and
Reprint Link: HTTP://FORUM.EEPW.COM.CN/THREAD/228871/1
extern "C" indicates that the compiled generated internal symbol name uses the C convention. C + + supports function overloading, and C is not supported, and the compilation rules are not the
Introduction
In this example, we will use the logic as simple as possible to implement all functional requirements, which will highlight the core issues we want to solve. The example is a simple calculator class: Public class
One: Build DLL1: Create DLL projectFILE-New Project->visual C++->WIN32->WIN32 Console Application (Win32 Project can also)Fill in the project name mydll-> OK and next->dll (additional options for empty item tick), complete.Here the DLL project is
Dynamic
Introduction
If we had this right now in this example I will use as simple a logic as possible to implement all the functional requirements, which will highlight the core issues we are addressing. Example is a simple calculator
Introduction
If we had this right now in this example I will use as simple a logic as possible to implement all the functional requirements, which will highlight the core issues we are addressing. Example is a simple calculator class:
C #7.0 new feature 1: Based on Tuple's "multiple" return value method,
This article is based on the Issue in the Roslyn project: #347.
Review
First, let's raise a question: in C #, how can we make a method return "multiple" return values?
Let's
1.
Introduction
C ++
The original intention of creating a language is
"A Better C"
But this does not mean
C ++
Similar
C
The compilation and connection methods used by global variables and functions of the language are as
original link1.IntroductionThe C + + language was originally created as "A better C", but this does not mean that C + + global variables and functions in C + + are compiled and connected in exactly the same way as C. As a language compatible with C,
Microsoft-specific predefined Macros__cplusplus Defined for C + + programs only.This means that if you are a C + + program, useextern "C" {And this thing, refers to the following function does not use the C + + name decoration, but with C'sThe
Usage analysis of extern "C"Deep Exploration of the meaning of extern "C" in C + +1. IntroductionThe C + + language was originally created as "A better C", but this does not mean that C + + global variables and functions in C + + are compiled and
When you look at some programs, there's always"#ifdef __cplusplusextern "C" {#endif "definition, figuring out what's going on:Microsoft-specific predefined Macros__cplusplus Defined for C + + programs only.This means that if you are a C + + program,
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