29     const auto& hdr = stdplus::raw::refFrom<nlmsghdr, Aligned>(msgs);  in processMsg()  local
30     if (hdr.nlmsg_len < sizeof(hdr))  in processMsg()
34                         hdr.nlmsg_len, sizeof(hdr)));  in processMsg()
36     if (msgs.size() < hdr.nlmsg_len)  in processMsg()
40                         hdr.nlmsg_len));  in processMsg()
42     auto msg = msgs.substr(NLMSG_HDRLEN, hdr.nlmsg_len - NLMSG_HDRLEN);  in processMsg()
43     msgs.remove_prefix(NLMSG_ALIGN(hdr.nlmsg_len));  in processMsg()
47     if (hdr.nlmsg_flags & NLM_F_MULTI)  in processMsg()
51     if (hdr.nlmsg_type == NLMSG_NOOP)  in processMsg()
55     else if (hdr.nlmsg_type == NLMSG_DONE)  in processMsg()
64     else if (hdr.nlmsg_type == NLMSG_ERROR)  in processMsg()
74     if (!done && !(hdr.nlmsg_flags & NLM_F_MULTI))  in processMsg()
80         cb(hdr, msg);  in processMsg()
93     msghdr hdr{};  in requestSend()  local
94     hdr.msg_name = reinterpret_cast<sockaddr*>(&dst);  in requestSend()
95     hdr.msg_namelen = sizeof(dst);  in requestSend()
96     hdr.msg_iov = &iov;  in requestSend()
97     hdr.msg_iovlen = 1;  in requestSend()
99     if (sendmsg(sock, &hdr, 0) < 0)  in requestSend()
142     msghdr hdr{};  in receive()  local
143     hdr.msg_name = &from;  in receive()
144     hdr.msg_namelen = sizeof(from);  in receive()
145     hdr.msg_iov = &iov;  in receive()
146     hdr.msg_iovlen = 1;  in receive()
153         ssize_t recvd = recvmsg(sock, &hdr, 0);  in receive()
185     const auto& hdr = stdplus::raw::refFrom<rtattr, Aligned>(data);  in extractRtAttr()  local
186     if (hdr.rta_len < RTA_LENGTH(0))  in extractRtAttr()
189             "rtattr shorter than header: {} < {}", hdr.rta_len, RTA_LENGTH(0)));  in extractRtAttr()
191     if (data.size() < hdr.rta_len)  in extractRtAttr()
195                         hdr.rta_len));  in extractRtAttr()
197     auto attr = data.substr(RTA_LENGTH(0), hdr.rta_len - RTA_LENGTH(0));  in extractRtAttr()
198     data.remove_prefix(RTA_ALIGN(hdr.rta_len));  in extractRtAttr()
199     return {hdr, attr};  in extractRtAttr()