__STL_WIN32THREADS
# ifdef __STL_WIN32THREADS
#ifdef __STL_WIN32THREADS
#ifdef __STL_WIN32THREADS
&& !defined(__STL_SGI_THREADS) && !defined(__STL_WIN32THREADS)
# ifdef __STL_WIN32THREADS
# ifdef __STL_WIN32THREADS
# elif defined(__STL_WIN32THREADS)
# if defined(__STL_WIN32THREADS)
# elif defined(__STL_WIN32THREADS)