ia5ncasecmp
if (ia5ncasecmp(baseptr, dnsptr, base->length))
if (ia5ncasecmp(ulabel, emlptr, strlen(ulabel)) == 0)
|| ia5ncasecmp(ulabel, emlptr, emlhostlen) != 0) {
if (ia5ncasecmp(baseptr, emlptr, base->length) == 0)
if (basehostlen != emlhostlen || ia5ncasecmp(baseptr, emlptr, emlhostlen))
if (ia5ncasecmp(host + hostlen - base->length, baseptr, base->length) == 0) {
|| ia5ncasecmp(host, baseptr, hostlen) != 0) {