25 июн. 2009 г. · extern "C" makes a function-name in C++ have C linkage (compiler does not mangle the name) so that client C code can link to (use) your function using a C ... c++ - When to use extern "C" in simple words? - Stack Overflow Effects of the extern keyword on C functions - Stack Overflow how does extern "C" allow C++ code in a C file? - Stack Overflow How to declare an extern C function inside a function in C++? Другие результаты с сайта stackoverflow.com

11 окт. 2024 г. · the extern keyword is used to extend the visibility of variables/functions. Since functions are visible throughout the program by default, the ...

3 дек. 2021 г. · The extern keyword may be applied to a global variable, function, or template declaration. It specifies that the symbol has external linkage.

21 апр. 2022 г. · The extern keyword in C and C++ extends the visibility of variables and functions across multiple source files. In the case of functions, the ...

1 мая 2017 г. · By declaring a function with extern "C", it changes the linkage requirements so that the C++ compiler does not add the extra mangling information to the symbol.

14 мар. 2022 г. · Function names may not be changed in C as it doesn't support function overloading. To avoid linking problems, C++ supports the extern “C” block.

The second line defines a function that takes a pointer-to-function-with-C++-linkage. The two functions are not the same; the second function has C++ linkage.

The extern "C" line tells the compiler that the external information sent to the linker should use C calling conventions and name mangling (e.g., preceded by a ... How do I call a C++ function... · How can I create a C++...

14 февр. 2023 г. · The extern keyword in C is used to declare a variable as a global variable such that a variable declared in another scope of the same file or ...

28 мар. 2023 г. · Likewise, extern "C++" tells the compiler to use a C++ symbol table. Since that is the default, the use cases for this are limited (I don't know ...