#include <ostream>
#include <netinet/in.h>
class ClassA : public std::basic_streambuf<char, std::char_traits<char> >, public std::ostream
{
public:
ClassA(const uint32_t foo);
};
ClassA::ClassA(const uint32_t foo) : std::ostream(this)
{
uint32_t be = htonl(foo);
}