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