The pointer should be moved adequately depending on the length of socket address as populated in the structure after the call.
根据调用之后该结构中填充的套接字地址的长度，可以对这个指针进行移动。
Creates a socket address from a hostname and a port number.
根据主机名和端口号创建一个套接字地址。
Creates a socket address from an IP address and a port number.
根据IP地址和端口号创建一个套接字地址。
Create a MulticastSocket bound to the specified socket address.
创建一个绑定在指定套接字地址的多播套接字。
This class represents a Socket Address with no protocol attachment.
该类表示没有协议附加的套接字地址。
This class represents a Socket Address with no protocol attachment.
该类表示没有协议附加的套接字地址。
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