146 static int send_vc(res_state statp, res_params* params, const uint8_t* buf, int buflen,
149 static int send_dg(res_state statp, res_params* params, const uint8_t* buf, int buflen,
420 int res_nsend(res_state statp, const uint8_t* buf, int buflen, uint8_t* ans, int anssiz, int* rcode,  in res_nsend()  argument
430     res_pquery(buf, buflen);  in res_nsend()
435             resolv_cache_lookup(statp->netid, buf, buflen, ans, anssiz, &anslen, flags);  in res_nsend()
443         dnsQueryEvent->set_type(getQueryType(buf, buflen));  in res_nsend()
454         _resolv_cache_query_failed(statp->netid, buf, buflen, flags);  in res_nsend()
469         int resplen = res_tls_send(statp, Slice(const_cast<uint8_t*>(buf), buflen),  in res_nsend()
475                 resolv_cache_add(statp->netid, buf, buflen, ans, resplen);  in res_nsend()
480             _resolv_cache_query_failed(statp->netid, buf, buflen, flags);  in res_nsend()
516     int useTcp = buflen > PACKETSZ;  in res_nsend()
546                 resplen = send_vc(statp, &params, buf, buflen, ans, anssiz, &terrno, ns,  in res_nsend()
549                 if (buflen <= PACKETSZ && resplen <= 0 &&  in res_nsend()
558                 resplen = send_dg(statp, &params, buf, buflen, ans, anssiz, &terrno, &actualNs,  in res_nsend()
579             dnsQueryEvent->set_type(getQueryType(buf, buflen));  in res_nsend()
608                 _resolv_cache_query_failed(statp->netid, buf, buflen, flags);  in res_nsend()
617                 resolv_cache_add(statp->netid, buf, buflen, ans, resplen);  in res_nsend()
630     _resolv_cache_query_failed(statp->netid, buf, buflen, flags);  in res_nsend()
655 static int send_vc(res_state statp, res_params* params, const uint8_t* buf, int buflen,  in send_vc()  argument
755     uint16_t len = htons(static_cast<uint16_t>(buflen));  in send_vc()
758             {.iov_base = const_cast<uint8_t*>(buf), .iov_len = static_cast<size_t>(buflen)},  in send_vc()
760     if (writev(statp->tcp_nssock, iov, 2) != (INT16SZ + buflen)) {  in send_vc()
979                          int buflen, uint8_t* ans, int anssiz, int* receivedFromNs) {  in ignoreInvalidAnswer()  argument
992     if (!res_queriesmatch(buf, buf + buflen, ans, ans + anssiz)) {  in ignoreInvalidAnswer()
1000 static int send_dg(res_state statp, res_params* params, const uint8_t* buf, int buflen,  in send_dg()  argument
1059     if (send(statp->nssocks[*ns], (const char*)buf, (size_t)buflen, 0) != buflen) {  in send_dg()
1106                         ignoreInvalidAnswer(statp, from, buf, buflen, ans, anssiz, &receivedFromNs);  in send_dg()