S waps the data represented by this descriptor with the data represented by the specified descriptor. The lengths of both descriptors are also swapped to reflect the change.
把当前描述符的数据和指定描述符的数据相交换。它们的数据长度也随着数据的变化而重新设置。
2
The RADIUS client, the network access server, is typically a router, switch, or wireless access point (access points are specially configured nodes on networks; WAPs are wireless versions).