Displays internal function name decoration/mangling

name-decoration.cpp

#include<iostream>
using namespace std;
extern "C" void examplefunction(double arg1);

int main(void) {

       examplefunction(100);
}

void examplefunction(double arg1) {
       printf("Function Name: %s\n", __FUNCTION__);
       printf("Function Decorated Name %s\n", __FUNCDNAME__);
       printf("Function signature %s\n", __FUNCSIG__);

}