一个比较完成的tapi程序，包括一个包含全部tapi定义的模块和一个tapi类，包括查看以建立的tapi连接、拨号、中断连接以及对线路和拨号进行设置。 -A more complete tapi procedures, including one that contains all of tapi-defined modules and a tapi categories, including the tapi view to establish a connection, dial-up, i