This macro permits iteration over the list with safeguards against removal of a list entry (which you'll do as part of the iteration).

这个宏将迭代列表，但阻止删除列表条目(删除列表条目是迭代操作的一部分)。

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A macro is called to check if the entry name syntax and the entry name is passed as NULL.

调用一个宏检查传递的条目名称语法和条目名称是否为NULL。

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Figure 6 shows that the echoFeeds macro is triggered and played back when the application entry screen in Figure 5 matches during runtime.

图6展示了在运行期间若echofeeds宏与图5中的应用程序入口屏幕匹配，echoFeeds宏将被触发并回放。

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