109     uint8_t *cp, *ep;  in res_nmkquery()  local
127     cp = buf + HFIXEDSZ;  in res_nmkquery()
140             if (ep - cp < QFIXEDSZ) return (-1);  in res_nmkquery()
141             if ((n = dn_comp(dname, cp, ep - cp - QFIXEDSZ, dnptrs, lastdnptr)) < 0) return (-1);  in res_nmkquery()
142             cp += n;  in res_nmkquery()
143             *reinterpret_cast<uint16_t*>(cp) = htons(type);  in res_nmkquery()
144             cp += INT16SZ;  in res_nmkquery()
145             *reinterpret_cast<uint16_t*>(cp) = htons(cl);  in res_nmkquery()
146             cp += INT16SZ;  in res_nmkquery()
152             if ((ep - cp) < RRFIXEDSZ) return (-1);  in res_nmkquery()
153             n = dn_comp((const char*) data, cp, ep - cp - RRFIXEDSZ, dnptrs, lastdnptr);  in res_nmkquery()
155             cp += n;  in res_nmkquery()
156             *reinterpret_cast<uint16_t*>(cp) = htons(ns_t_null);  in res_nmkquery()
157             cp += INT16SZ;  in res_nmkquery()
158             *reinterpret_cast<uint16_t*>(cp) = htons(cl);  in res_nmkquery()
159             cp += INT16SZ;  in res_nmkquery()
160             *reinterpret_cast<uint32_t*>(cp) = htonl(0);  in res_nmkquery()
161             cp += INT32SZ;  in res_nmkquery()
162             *reinterpret_cast<uint16_t*>(cp) = htons(0);  in res_nmkquery()
163             cp += INT16SZ;  in res_nmkquery()
171             if (ep - cp < 1 + RRFIXEDSZ + datalen) return (-1);  in res_nmkquery()
172             *cp++ = '\0'; /* no domain name */  in res_nmkquery()
173             *reinterpret_cast<uint16_t*>(cp) = htons(type);  in res_nmkquery()
174             cp += INT16SZ;  in res_nmkquery()
175             *reinterpret_cast<uint16_t*>(cp) = htons(cl);  in res_nmkquery()
176             cp += INT16SZ;  in res_nmkquery()
177             *reinterpret_cast<uint32_t*>(cp) = htonl(0);  in res_nmkquery()
178             cp += INT32SZ;  in res_nmkquery()
179             *reinterpret_cast<uint16_t*>(cp) = htons(datalen);  in res_nmkquery()
180             cp += INT16SZ;  in res_nmkquery()
182                 memcpy(cp, data, (size_t) datalen);  in res_nmkquery()
183                 cp += datalen;  in res_nmkquery()
191     return (cp - buf);  in res_nmkquery()
200     uint8_t *cp, *ep;  in res_nopt()  local
206     cp = buf + n0;  in res_nopt()
209     if ((ep - cp) < 1 + RRFIXEDSZ) return (-1);  in res_nopt()
211     *cp++ = 0; /* "." */  in res_nopt()
214     *reinterpret_cast<uint16_t*>(cp) = htons(ns_t_opt); /* TYPE */  in res_nopt()
215     cp += INT16SZ;  in res_nopt()
217     *reinterpret_cast<uint16_t*>(cp) = htons(anslen); /* CLASS = UDP payload size */  in res_nopt()
218     cp += INT16SZ;  in res_nopt()
219     *cp++ = NOERROR; /* extended RCODE */  in res_nopt()
220     *cp++ = 0;       /* EDNS version */  in res_nopt()
225     *reinterpret_cast<uint16_t*>(cp) = htons(flags);  in res_nopt()
226     cp += INT16SZ;  in res_nopt()
229     const uint16_t minlen = static_cast<uint16_t>(cp - buf) + 3 * INT16SZ;  in res_nopt()
236     *reinterpret_cast<uint16_t*>(cp) = htons(padlen + 2 * INT16SZ); /* RDLEN */  in res_nopt()
237     cp += INT16SZ;  in res_nopt()
238     *reinterpret_cast<uint16_t*>(cp) = htons(NS_OPT_PADDING); /* OPTION-CODE */  in res_nopt()
239     cp += INT16SZ;  in res_nopt()
240     *reinterpret_cast<uint16_t*>(cp) = htons(padlen); /* OPTION-LENGTH */  in res_nopt()
241     cp += INT16SZ;  in res_nopt()
242     memset(cp, 0, padlen);  in res_nopt()
243     cp += padlen;  in res_nopt()
246     return (cp - buf);  in res_nopt()