斧冰

If you are using “basic” Unix functions, you need to use #include <unistd.h> This will give you read, write, open, close, sleep, usleep and many other functions. 转自：https://blog.youkuaiyun.com/boyema...

系统ubuntu 18.04 下载的是muduo c++17版本。 进入muduo c++17源码目录，编译： ./build.sh 编译并安装 ./buil.sh install