调用结果

¥Call results

对未准备好发送或不再打开的套接字的调用可能会抛出 Not running Error。

¥A call on a socket that is not ready to send or no longer open may throw a Not running Error.

如果无法将 multicastInterface 解析为 IP，则抛出 EINVAL System Error。

¥If multicastInterface can not be parsed into an IP then an EINVAL System Error is thrown.

在 IPv4 上，如果 multicastInterface 是有效地址但与任何接口都不匹配，或者如果地址与系列不匹配，则抛出 System Error，例如 EADDRNOTAVAIL 或 EPROTONOSUP。

¥On IPv4, if multicastInterface is a valid address but does not match any interface, or if the address does not match the family then a System Error such as EADDRNOTAVAIL or EPROTONOSUP is thrown.

在 IPv6 上，大多数指定或省略范围的错误将导致套接字继续使用（或返回）系统的默认接口选择。

¥On IPv6, most errors with specifying or omitting scope will result in the socket continuing to use (or returning to) the system's default interface selection.

套接字地址族的任何地址（IPv4 '0.0.0.0' 或 IPv6 '::'）可用于将套接字默认传出接口的控制权返回给系统，以便将来使用多播数据包。

¥A socket's address family's ANY address (IPv4 '0.0.0.0' or IPv6 '::') can be used to return control of the sockets default outgoing interface to the system for future multicast packets.