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CurrentIndex the index of the element being processed in the array这对别人来说，那是一件不可能的事，但是对陈启这个拥有一个世界几十年积累的人来说，那是再简单不过的事。吴彦祖主演美剧《荒原》第三季获得AMC续订，第三季将增加到16集，2018年开播。It can be used to divide namespaces and reduce the number of global variables.Now, let's imagine why these "checkpoints" are called "chains" in iptables. As we know, The purpose of a firewall is to match "rules" for passing messages, Then execute the corresponding Action, So, when the message passes through these checkpoints, You must match the rules on this level, However, there may be more than one rule on this level, But there are many rules, When we put these rules in a chain, A "chain" has been formed. Therefore, we imagine each "checkpoint" as shown in the following figure. In this way, it is more appropriate to call them "chain". Each message passing through this "checkpoint" must match all the rules on this "chain". If there are qualified rules, the corresponding actions of the rules will be executed.故事讲述失恋、友情的起起落落以及成长过程中所面临的阻碍。正说着，嘈杂的人声传来，大队人马赶到了。