/* This whole header file will disappear, so don't depend on it... */
+#if __has_feature(assume_nonnull)
+_Pragma("clang assume_nonnull begin")
+#endif
+
#ifndef __POSIX_LIB__
/*
#endif /* __POSIX_LIB__ */
+#if __has_feature(assume_nonnull)
+_Pragma("clang assume_nonnull end")
+#endif
+
#endif /* _PTHREAD_IMPL_H_ */