addrinfo ai_flags

Flags for ai_flags in struct addrinfo More...

Macros
#define	AI_PASSIVE   0x00000001
	Address intended for bind().
#define	AI_CANONNAME   0x00000002
	Request canonical name.
#define	AI_NUMERICHOST   0x00000004
	Inhibit host resolution.
#define	AI_NUMERICSERV   0x00000008
	Inhibit service resolution.
#define	AI_V4MAPPED   0x00000010
	Return v4-mapped IPv6 addrs.
#define	AI_ALL   0x00000020
	Query for both IPv4 and IPv6.
#define	AI_ADDRCONFIG   0x00000040
	Only query for IPv4/IPv6 addrs the system has a valid addr.

Detailed Description

Flags for ai_flags in struct addrinfo

These are the flags that can be set in the ai_flags field of struct addrinfo. These values can be bitwise ORed together.

Currently only AI_PASSIVE is actually supported by the getaddrinfo() function.

Macro Definition Documentation

AI_ADDRCONFIG

#define AI_ADDRCONFIG   0x00000040

Only query for IPv4/IPv6 addrs the system has a valid addr.

AI_ALL

#define AI_ALL   0x00000020

Query for both IPv4 and IPv6.

AI_CANONNAME

#define AI_CANONNAME   0x00000002

Request canonical name.

AI_NUMERICHOST

#define AI_NUMERICHOST   0x00000004

Inhibit host resolution.

AI_NUMERICSERV

#define AI_NUMERICSERV   0x00000008

Inhibit service resolution.

AI_PASSIVE

#define AI_PASSIVE   0x00000001

Address intended for bind().

AI_V4MAPPED

#define AI_V4MAPPED   0x00000010

Return v4-mapped IPv6 addrs.