ioctl参数 ifreq iwreq ifconf

1. ifreq

https://www.cnblogs.com/tdyizhen1314/p/4896689.html
https://blog.youkuaiyun.com/xi_hong_shi/article/details/7876000
https://blog.youkuaiyun.com/a1232345/article/details/45045783

2. ifconf

https://blog.youkuaiyun.com/windeal3203/article/details/39320605

3. iwreq

#ifndef IFNAMESIZE
#define IFNAMESIZE (16)
http://book.51cto.com/art/201404/435827.htm
https://blog.youkuaiyun.com/viewsky11/article/details/56673645