Function init

libs/cppdap/src/socket.cpp:46–53

namespace {
constexpr SOCKET InvalidSocket = static_cast<SOCKET>(-1);
void init() {
#if defined(_WIN32)
  if (wsaInitCount++ == 0) {
    WSADATA winsockData;
    (void)WSAStartup(MAKEWORD(2, 2), &winsockData);
  }
#endif
}

void term() {
#if defined(_WIN32)