[
	object,
	uuid(c4910d71-ba7d-11cd-94e8-08001701a8a3),
	pointer_default(unique)
]

interface ILookup : IUnknown
{
	import "unknwn.idl";
	HRESULT LookupByName(
		[in] LPTSTR lpName, 
		[out, string] WCHAR **lplpNumber
	);
	HRESULT LookupByNumber(
		[in] LPSTR lpNumber,
		[out, string] WCHAR **lplpName
	);
}

// midl /ms_ext /c_ext /I \mstools\include lookup.idl