Top "Extern-c" questions

`extern "C"` is used to indicate that C++ functions and variables should have C linkage instead of C++ linkage, allowing C and C++ modules to interact with each other.

What is the effect of extern "C" in C++?

What exactly does putting extern "C" into C++ code do? For example: extern "C" { void foo(); }

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Combining C++ and C - how does #ifdef __cplusplus work?

I'm working on a project that has a lot of legacy C code. We've started writing in C++, with the …

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Call a C function from C++ code

I have a C function that I would like to call from C++. I couldn't use "extern "C" void foo()" …

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How to call C++ function from C?

I know this. Calling C function from C++: If my application was in C++ and I had to call functions …

c++ c visual-c++ extern-c
Why do we need extern "C"{ #include <foo.h> } in C++?

Why do we need to use: extern "C" { #include <foo.h> } Specifically: When should we use it? What …

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How does an extern "C" declaration work?

I'm taking a programming languages course and we're talking about the extern "C" declaration. How does this declaration work at …

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When to use extern "C" in C++?

Possible Duplicate: Why do we need extern “C”{ #include <foo.h> } in C++? I have often seen programs …

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When to use extern "C" in simple words?

Maybe I'm not understanding the differences between C and C++, but when and why do we need to use extern "…

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static vs extern "C"/"C++"

What is the difference between a static member function and an extern "C" linkage function ? For instance, when using "makecontext" …

c++ function-pointers static-members linkage extern-c
Is extern "C" only required on the function declaration?

I wrote a C++ function that I need to call from a C program. To make it callable from C, …

c++ c extern extern-c