Nikolay Sivov (@nsivov) commented about dlls/coml2/coml2.spec:
@ stdcall CreateILockBytesOnHGlobal(ptr long ptr) +@ stdcall FmtIdToPropStgName(ptr wstr) +@ stdcall GetConvertStg(ptr) @ stdcall GetHGlobalFromILockBytes(ptr ptr) +@ stdcall InternalReadFmtUserTypeStg(ptr ptr ptr) +@ stdcall InternalSetConvertStg(ptr long) +@ stdcall InternalStgConvertPropertyToVariant(ptr long ptr ptr) +@ stdcall InternalWriteFmtUserTypeStg(ptr long ptr)
These do not exist on Windows. StgConvertPropertyToVariant() for example appears to be ordinal 5 in coml2.dll, others are probably somewhere next to it.