pub unsafe extern "system" fn MsiEnumClientsExW(
szcomponent: PCWSTR,
szusersid: PCWSTR,
dwcontext: u32,
dwproductindex: u32,
szproductbuf: PWSTR,
pdwinstalledcontext: *mut MSIINSTALLCONTEXT,
szsid: PWSTR,
pcchsid: *mut u32,
) -> u32