Source position: jwantdsapi.pas line 1214
function DsMakeSpnW(
ServiceClass: LPCWSTR;
ServiceName: LPCWSTR;
InstanceName: LPCWSTR;
InstancePort: USHORT;
Referrer: LPCWSTR;
var pcSpnLength: DWORD;
pszSpn: LPWSTR
):DWORD;