__STL_PTHREADS
# ifdef __STL_PTHREADS
# ifdef __STL_PTHREADS
#ifdef __STL_PTHREADS
#if !defined(__STL_PTHREADS) && !defined(__STL_SOLTHREADS) \
# ifdef __STL_PTHREADS
# if !defined(_NOTHREADS) && !defined(__STL_PTHREADS)
# elif defined(__STL_PTHREADS)
# elif defined(__STL_PTHREADS)