在套接字函数调用中指定的一个协议不支持请求的套接字类型的语法。

A protocol was specified in the socket function call that does not support the semantics of the socket type requested.

youdao

在通过map调用时，关键字函数将在map中查找自身，并返回自己的值。

When invoked with a map, keyword functions look themselves up in the map and return their own value.

youdao

清单2忽略了这个关键字，因此函数的最后一行将被返回。

It has been omitted in Listing 2, so the last line of the function will be returned.

youdao

But it's the really correct way to specify that this function takes no arguments is to actually write this key word "void."

但是这的确是正确的方法来指明,这个函数是没有参数,实际上是写了这个关键字“void“

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