pub unsafe extern "system" fn CryptMsgVerifyCountersignatureEncodedEx(
    hcryptprov: HCRYPTPROV_LEGACY,
    dwencodingtype: u32,
    pbsignerinfo: *const u8,
    cbsignerinfo: u32,
    pbsignerinfocountersignature: *const u8,
    cbsignerinfocountersignature: u32,
    dwsignertype: u32,
    pvsigner: *const c_void,
    dwflags: u32,
    pvextra: *mut c_void,
) -> BOOL