28.6 Mixing C and C Code

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28.6 Mixing C and C++ Code

It is possible for C++ code to call a C function. The trick is that you need to tell C++ that the function you are calling is written in C and not C++. This is accomplished by declaring the function prototypes inside an extern "C" block. For example:

 extern "C" {     extern int the_c_function(int arg); } 

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