iOS11 适配遇到的问题

使用第三方网络监测库报错

RealReachability 使用的PingFoundation 库报错

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解决方法

__Check_Compile_Time(sizeof(ICMPHeader) == 8);
__Check_Compile_Time(offsetof(ICMPHeader, type) == 0);
__Check_Compile_Time(offsetof(ICMPHeader, code) == 1);
__Check_Compile_Time(offsetof(ICMPHeader, checksum) == 2);
__Check_Compile_Time(offsetof(ICMPHeader, identifier) == 4);
__Check_Compile_Time(offsetof(ICMPHeader, sequenceNumber) == 6);