pub unsafe fn CredUICmdLinePromptForCredentialsA<P0>(
    psztargetname: P0,
    pcontext: Option<*const SecHandle>,
    dwautherror: u32,
    username: &mut [u8],
    pszpassword: &mut [u8],
    pfsave: Option<*mut BOOL>,
    dwflags: CREDUI_FLAGS
) -> u32
where P0: IntoParam<PCSTR>,