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