37     ifreq ifr = {};  in makeIFReq()  local
39     std::copy_n(ifname.begin(), copied, ifr.ifr_name);  in makeIFReq()
40     return ifr;  in makeIFReq()
46     ifreq ifr = makeIFReq(ifname);  in executeIFReq()  local
47     ifr.ifr_data = reinterpret_cast<char*>(data);  in executeIFReq()
48     getIFSock().ioctl(cmd, &ifr);  in executeIFReq()
49     return ifr;  in executeIFReq()
56     ifreq ifr;  in optionalIFReq()  local
57     std::optional<decltype(complete(ifr))> ret;  in optionalIFReq()
63         ifr = executeIFReq(ifname, cmd, data);  in optionalIFReq()
80     ret.emplace(complete(ifr));  in optionalIFReq()
100     auto ifr = makeIFReq(ifname);  in setMTU()  local
101     ifr.ifr_mtu = mtu;  in setMTU()
102     getIFSock().ioctl(SIOCSIFMTU, &ifr);  in setMTU()
107     ifreq ifr = executeIFReq(ifname, SIOCGIFFLAGS);  in setNICUp()  local
108     ifr.ifr_flags &= ~IFF_UP;  in setNICUp()
109     ifr.ifr_flags |= up ? IFF_UP : 0;  in setNICUp()
112     getIFSock().ioctl(SIOCSIFFLAGS, &ifr);  in setNICUp()