C_IN
error = getrrsetbyname(name, C_IN, T_CERT, 0, &rr);
if (rr->rri_rdclass != C_IN
anslen = res_query(name, C_IN, T_CERT, answer, buflen);
if (class != C_IN) {
qname, p_class(C_IN), p_type(qtype),
q.qclass = C_IN;
q2.qclass = C_IN;
q.qclass = C_IN;
q.qclass = C_IN;
q2.qclass = C_IN;
q.qclass = C_IN;
q.qclass = C_IN;
n = res_nquery(res, qbuf, C_IN, T_PTR, buf->buf, (int)sizeof(buf->buf));
if (class != C_IN) {
qname, p_class(C_IN), p_type(qtype),
n = res_nsearch(res, name, C_IN, type, buf->buf, (int)sizeof(buf->buf));
if (class == C_IN && type == T_PTR) {
(class == C_IN) ? AF_INET : AF_UNSPEC;
anslen = res_nquery(res, qbuf, C_IN, T_PTR, buf->buf,
anslen = res_nsearch(res, qbuf, C_IN, T_PTR, buf->buf,
ctx->classes[0] = C_IN;
ctx->classes[n++] = C_IN;
{C_IN, "IN", (char *)0},
{C_IN, (char *)0, (char *)0}
status = res_search(host, C_IN, T_AAAA, answer, sizeof(answer));
status = res_search(host, C_IN, T_A, answer, sizeof(answer));
status = res_search(host, C_IN, T_MX, answer, sizeof(answer));