图3显示了剩余的配置参数。
Figure 3 illustrates the remaining configuration parameters.
还剩下两项内容需要解析：时间说明符，它是选项后的第一个参数，以及消息，消息是剩余的参数。
There are two remaining things to parse: the time specifier, which is the first argument after the options, and the message, which is any remaining arguments.
这些函数都接受目标的总大小(而不是剩余空间)作为参数。
Both of these functions take the total size of the destination buffer as a parameter — not the space still left.
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