AI_MASK           102 ext/socket/addrinfo.h #undef AI_MASK
AI_MASK           103 ext/socket/addrinfo.h #define	AI_MASK		(AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST | AI_NUMERICSERV)
AI_MASK          1602 ext/socket/constdefs.h #  define AI_MASK AI_MASK