public: bool __cdecl std::basic_ifstream<wchar_t, struct std::char_traits<wchar_t> >::is_open(void)const __ptr64

Mangled name

?is_open@?$basic_ifstream@_WU?$char_traits@_W@std@@@std@@QEBA_NXZ

Exported by

size	filename	version
853312	msvcp90.dll	9.00.30729.4148