AI_PASSIVE 112 ext/socket/addrinfo.h #define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST) AI_PASSIVE 443 ext/socket/getaddrinfo.c if (pai->ai_flags & AI_PASSIVE) { AI_PASSIVE 1288 ext/socket/socket.c (type == INET_SERVER) ? AI_PASSIVE : 0);