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.csdn.net/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