C-style variadic functions are supported in C++.

However, most C++ libraries use an alternative idiom e.g. whereas the 'c' printf function takes variable arguments the c++ cout object uses << overloading.

C-style variadic functions are supported in C++.

However, most C++ libraries use an alternative idiom e.g. whereas the 'c' printf function takes variable arguments the c++ cout object uses << overloading which addresses type safety and ADTs (perhaps at the cost of implementation simplicity).