Struct:addrinfo

 
#include trsocket.h
 
struct addrinfo
{
    int                 ai_flags;
    int                 ai_family;
    int                 ai_socktype;
    int                 ai_protocol;
    unsigned int        ai_addrlen;
    char *              ai_canonname;
    struct sockaddr *   ai_addr;
    struct addrinfo *   ai_next;
};
 

Structure Description

Structure used to return address information for a hostname to a user by getaddrinfo, and used by a user to specify what sort of addresses should be returned by getaddrinfo. Also used internally to store a series of mail host (MX) records on the cache entry.

Members

• ai_flags

  AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST

• ai_family

  Protocol family (PF_INET or PF_INET6)

• ai_socktype

  Not used.

• ai_protocol

  Not used.

• ai_addrlen

  length of ai_addr

• ai_canonname

  canonical name for nodename

• ai_addr

  binary address

• ai_next

  next structure in linked list