c++ to c api.cpp

void foo(int argc, const char* argv[]) {
    while (argc--)
        std::cout << *argv++ << ' ';
}

int main()
{
    std::vector<std::string> vec {"1", "2", "3", "4"};
    std::vector<const char*> vecptr;
    std::transform(std::begin(vec), std::end(vec), std::back_inserter(vecptr),
    		[](auto& s) { return s.c_str(); });
    foo(vecptr.size(), &vecptr[0]);
}