Function CryptCATCDFEnumAttributes 

pub unsafe extern "system" fn CryptCATCDFEnumAttributes(
    pcdf: *mut CRYPTCATCDF,
    pmember: *mut CRYPTCATMEMBER,
    pprevattr: *mut CRYPTCATATTRIBUTE,
    pfnparseerror: PFN_CDF_PARSE_ERROR_CALLBACK,
) -> *mut CRYPTCATATTRIBUTE