4442的读写校验c程序.测试是否有SLE4442卡插入读写器。若有，核对密码，然后进行读写操作，并比较两次操作数据是否相同，若相同，返回操作正确。-4442 write c calibration procedures. Testing whether there SLE4442 insert their cards into the Reader. If so, check password and then proceed to read and write operations, and to compare the two operating data the same as if the same right to return to operation.