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RoderickSYSZ · Jul 4, 2018 · 9a81a6b · 9a81a6b
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diff --git a/interview/网络.md b/interview/网络.md
@@ -52,25 +52,26 @@
         * 1）单条记录高并发访问的优化
         * 2）网卡工作在哪一层（既工作在物理层，也工作在链路层的MAC子层）
 * **二.Linux**
-    * 1）[TCP通信的各个系统调用](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#%E4%BA%8C%E5%9F%BA%E6%9C%ACtcp%E5%A5%97%E6%8E%A5%E5%AD%97%E7%BC%96%E7%A8%8B)
+    * 1）[bcopy和memcpy的区别？](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#22-%E5%AD%97%E8%8A%82%E6%93%8D%E7%BA%B5%E5%87%BD%E6%95%B0)
+    * 2）[字节序？](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#23-%E5%AD%97%E8%8A%82%E5%BA%8F)（小端：低序字节存储在低地址；大端：低序字节存储在高地址）
+    * 3）[TCP通信的各个系统调用](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#%E4%BA%8C%E5%9F%BA%E6%9C%ACtcp%E5%A5%97%E6%8E%A5%E5%AD%97%E7%BC%96%E7%A8%8B)
         - 连接建立：[socket](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1socket%E5%87%BD%E6%95%B0)、[connect](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#2connect%E5%87%BD%E6%95%B0)、[bind](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#3bind%E5%87%BD%E6%95%B0)、[listen](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#4listen%E5%87%BD%E6%95%B0)、[accept](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#5accept%E5%87%BD%E6%95%B0)、[read](https://github.com/arkingc/note/blob/master/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/UNIX%E7%8E%AF%E5%A2%83%E9%AB%98%E7%BA%A7%E7%BC%96%E7%A8%8B.md#25-%E6%96%87%E4%BB%B6%E8%AF%BB)、[write](https://github.com/arkingc/note/blob/master/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/UNIX%E7%8E%AF%E5%A2%83%E9%AB%98%E7%BA%A7%E7%BC%96%E7%A8%8B.md#26-%E6%96%87%E4%BB%B6%E5%86%99)（[发送缓冲区](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#2%E7%BC%93%E5%86%B2%E5%8C%BA)）
         - 连接关闭：[close](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#6close%E5%87%BD%E6%95%B0)、[shutdown](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#7shutdown%E5%87%BD%E6%95%B0)（close与shutdown的区别？）
-    * 2）[Linux服务器最大TCP连接数？](http://wanshi.iteye.com/blog/1256282)（[一个端口能接受tcp连接数量的理论上限？](https://www.nowcoder.com/questionTerminal/997f45dddc9b4c8ea7da76288aa439d1?orderByHotValue=1&pos=1)）
-    * 3）[非阻塞connect？](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#%E4%B9%9D%E9%9D%9E%E9%98%BB%E5%A1%9E%E5%BC%8Fio)
-    * 4）连接建立过程中每个SYN可以包含哪些TCP选项？（MSS选项(TCP_MAXSEG)、窗口规模选项）[作用是什么？](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1%E8%BF%9E%E6%8E%A5%E7%AE%A1%E7%90%86)
-    * 5）[TCP连接建立过程中的超时](http://www.chengweiyang.cn/2017/02/18/linux-connect-timeout/)
-    * 6）[UDP通信的各个系统调用](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#%E4%B8%89%E5%9F%BA%E6%9C%ACudp%E5%A5%97%E6%8E%A5%E5%AD%97%E7%BC%96%E7%A8%8B)
+    * 4）[Linux服务器最大TCP连接数？](http://wanshi.iteye.com/blog/1256282)（[一个端口能接受tcp连接数量的理论上限？](https://www.nowcoder.com/questionTerminal/997f45dddc9b4c8ea7da76288aa439d1?orderByHotValue=1&pos=1)）
+    * 5）[非阻塞connect？](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#%E4%B9%9D%E9%9D%9E%E9%98%BB%E5%A1%9E%E5%BC%8Fio)
+    * 6）连接建立过程中每个SYN可以包含哪些TCP选项？（MSS选项(TCP_MAXSEG)、窗口规模选项）[作用是什么？](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1%E8%BF%9E%E6%8E%A5%E7%AE%A1%E7%90%86)
+    * 7）[TCP连接建立过程中的超时](http://www.chengweiyang.cn/2017/02/18/linux-connect-timeout/)
+    * 8）[UDP通信的各个系统调用](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#%E4%B8%89%E5%9F%BA%E6%9C%ACudp%E5%A5%97%E6%8E%A5%E5%AD%97%E7%BC%96%E7%A8%8B)
         - socket、[connect](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1recvfrom%E4%B8%8Esendto%E5%87%BD%E6%95%B0)、bind、[sendto](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1recvfrom%E4%B8%8Esendto%E5%87%BD%E6%95%B0)（[发送缓冲区](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1%E7%BC%93%E5%86%B2%E5%8C%BA)）、[recvfrom](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1recvfrom%E4%B8%8Esendto%E5%87%BD%E6%95%B0)、close
         - [连接UDP套接字与非连接UDP套接字的区别？性能？](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#%E4%B8%89%E5%9F%BA%E6%9C%ACudp%E5%A5%97%E6%8E%A5%E5%AD%97%E7%BC%96%E7%A8%8B)
-    * 7）数据发送：write、[sendto](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1recvfrom%E4%B8%8Esendto%E5%87%BD%E6%95%B0)、send
-    * 8）接收数据：read、[recvfrom](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1recvfrom%E4%B8%8Esendto%E5%87%BD%E6%95%B0)、recv、recvmsg
-    * 9）[I/O复用](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#%E5%9B%9Bio%E5%A4%8D%E7%94%A8)：[select](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1select)、[poll](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#3poll)、[epoll](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#4epoll)？（I/O复用与多线程比较？）
-        - select中描述符集中最大描述符的个数（[由`FD_SETSIZE`决定、[怎么更改](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#12-select%E7%9A%84%E4%BC%98%E7%BC%BA%E7%82%B9)）？[描述符就绪的条件](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#11-%E6%8F%8F%E8%BF%B0%E7%AC%A6%E5%B0%B1%E7%BB%AA%E6%9D%A1%E4%BB%B6)？
-    * 10）[send和recv函数](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1recv%E5%92%8Csend%E5%87%BD%E6%95%B0)
-    * 11）[bcopy和memcpy的区别？](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#22-%E5%AD%97%E8%8A%82%E6%93%8D%E7%BA%B5%E5%87%BD%E6%95%B0)
-    * 12）[字节序？](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#23-%E5%AD%97%E8%8A%82%E5%BA%8F)（小端：低序字节存储在低地址；大端：低序字节存储在高地址）
-    * 13）[Linux高性能服务器编程——进程池和线程池](http://blog.csdn.net/walkerkalr/article/details/37729323)
-    * 14）[100万并发连接服务器性能调优](http://www.blogjava.net/yongboy/archive/2013/04/11/397677.html)
-    * 15）[TIME_WAIT和CLOSE_WAIT状态详解及性能调优](http://blog.oldboyedu.com/tcp-wait/)
-    * 16）[accept与epoll惊群](https://pureage.info/2015/12/22/thundering-herd.html)
-    * 17）[使用同步IO模型实现的Reactor模式的工作流程](temp/1使用同步io模型实现的reactor模式的工作流程)
+    * 9）数据发送：write、[send](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1recv%E5%92%8Csend%E5%87%BD%E6%95%B0)、[sendto](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1recvfrom%E4%B8%8Esendto%E5%87%BD%E6%95%B0)、[sendmsg](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#3recvmsg%E5%92%8Csendmsg%E5%87%BD%E6%95%B0)
+    * 10）接收数据：read、[recv](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1recv%E5%92%8Csend%E5%87%BD%E6%95%B0)、[recvfrom](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1recvfrom%E4%B8%8Esendto%E5%87%BD%E6%95%B0)、[recvmsg](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#3recvmsg%E5%92%8Csendmsg%E5%87%BD%E6%95%B0)
+    * 11）[I/O复用](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#%E5%9B%9Bio%E5%A4%8D%E7%94%A8)：[select](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1select)、[poll](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#3poll)、[epoll](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#4epoll)？（I/O复用与多线程比较？）
+        - [select](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#1select)：[优缺点](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#12-select%E7%9A%84%E4%BC%98%E7%BC%BA%E7%82%B9)、中描述符集中最大描述符的个数（由`FD_SETSIZE`决定、[怎么更改](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#12-select%E7%9A%84%E4%BC%98%E7%BC%BA%E7%82%B9)）？[描述符就绪的条件](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#11-%E6%8F%8F%E8%BF%B0%E7%AC%A6%E5%B0%B1%E7%BB%AA%E6%9D%A1%E4%BB%B6)？
+        - [poll](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#3poll)：[优缺点](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#32-poll%E7%9A%84%E4%BC%98%E7%BC%BA%E7%82%B9)？[事件](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#31-%E4%BA%8B%E4%BB%B6)？
+        - [epoll](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#4epoll)：[优缺点](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#42-epoll%E7%9A%84%E4%BC%98%E7%BC%BA%E7%82%B9)、[工作模式](https://github.com/arkingc/note/blob/master/%E8%AE%A1%E7%AE%97%E6%9C%BA%E7%BD%91%E7%BB%9C/UNIX%E7%BD%91%E7%BB%9C%E7%BC%96%E7%A8%8B%E5%8D%B71.md#41-%E5%B7%A5%E4%BD%9C%E6%A8%A1%E5%BC%8F)
+    * 12）[Linux高性能服务器编程——进程池和线程池](http://blog.csdn.net/walkerkalr/article/details/37729323)
+    * 13）[100万并发连接服务器性能调优](http://www.blogjava.net/yongboy/archive/2013/04/11/397677.html)
+    * 14）[TIME_WAIT和CLOSE_WAIT状态详解及性能调优](http://blog.oldboyedu.com/tcp-wait/)
+    * 15）[accept与epoll惊群](https://pureage.info/2015/12/22/thundering-herd.html)
+    * 16）[使用同步IO模型实现的Reactor模式的工作流程](temp/1使用同步io模型实现的reactor模式的工作流程)
diff --git a/计算机网络/UNIX网络编程卷1.md b/计算机网络/UNIX网络编程卷1.md
@@ -716,6 +716,7 @@ poll中每个描述符有一个监视的事件以及一个发生的事件，在p
 ## 4.epoll
 
 ```c
+#include <sys/epoll.h>
 int epoll_create(int size);
 int epoll_ctl(int epfd,int op,int fd,struct epoll_event *event);
 int epoll_wait(int epfd,struct epoll_event *events,int maxevents,int timeout);
@@ -739,7 +740,7 @@ int epoll_wait(int epfd,struct epoll_event *events,int maxevents,int timeout);
             * **EPOLLPRI**：对应的描述符有紧急数据可读（带外数据）
             * **EPOLLERR**：对应的描述符发生错误
             * **EPOLLHUP**：对应的描述符被挂断
-            * **EPOLLET**：将epoll设为**边缘触发模式**（说默认为**水平(LT)触发模式**）
+            * **EPOLLET**：将epoll设为**边缘触发模式**（默认为**水平(LT)触发模式**）
             * **EPOLLONESHOT**：只监听一次事件，监听完后，如果需要再次监听，需再次将描述符加入到epoll队列
             ```c
             struct epoll_event{