AI_FQDN
(AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV | AI_FQDN | \
(ai->ai_flags & AI_CANONNAME && ai->ai_flags & AI_FQDN)) {
as->as.ai.hints.ai_flags & (AI_CANONNAME | AI_FQDN)) {
if (as->as.ai.hints.ai_flags & (AI_CANONNAME | AI_FQDN))
} else if (as->as.ai.hints.ai_flags & AI_FQDN)
hints.ai_flags |= AI_FQDN;