private: class QTextStreamPrivate * __ptr64 __cdecl QTextStream::d_func(void) __ptr64

Mangled name

?d_func@QTextStream@@AEAAPEAVQTextStreamPrivate@@XZ

Exported by

size	filename	version
5842040	Qt5Core.dll	5.9.9.0
2760192	QtCore4.dll	4.7.2.0