pub unsafe extern "system" fn MsiEnumPatchesExW(
szproductcode: PCWSTR,
szusersid: PCWSTR,
dwcontext: u32,
dwfilter: u32,
dwindex: u32,
szpatchcode: PWSTR,
sztargetproductcode: PWSTR,
pdwtargetproductcontext: *mut MSIINSTALLCONTEXT,
sztargetusersid: PWSTR,
pcchtargetusersid: *mut u32,
) -> u32