protected: virtual unsigned short __cdecl std::basic_stringbuf<wchar_t, struct std::char_traits<wchar_t>, class std::allocator<wchar_t> >::underflow(void) __ptr64

Mangled name

?underflow@?$basic_stringbuf@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@MEAAGXZ

Exported by

size	filename	version
853312	msvcp90.dll	9.00.30729.4148