_hostent Struct Reference

The structure describes the Host Name - IP Address record. More...

#include <dnsif.h>

Data Fields

char * h_name

This is the official name / Fully Qualified Domain Name (FQDN) of the host.

int h_addrtype

This indicates the address family of the IP address that maps to the given hostname. The values it takes are AF_INET (v4) / AF_INET6 (v6).

int h_length

This indicates the length (in bytes) of the IP address that follows. For IPv4 address it is set to 4, and for IPv6 address set to 16 bytes.

int h_addrcnt

This is the number of IP addresses returned for the given hostname.

IPN h_addr [MAXIPADDR]

List of upto MAXIPADDR IPv4 addresses (Network format) that map to the given hostname.

char * h_addr_list [MAXIPADDR]

List of upto MAXIPADDR IPv4/IPv6 addresses that map to given hostname.

Detailed Description

The structure describes the Host Name - IP Address record.

The HOSTENT structure holds information such as IPv4/v6 address, host name mappings for a given host. It is used by the DNS resolver in conveying such HostName - IP Address mappings to a user application.

The documentation for this struct was generated from the following file:

inc/nettools/inc/dnsif.h


Data Fields
char *	h_name
	This is the official name / Fully Qualified Domain Name (FQDN) of the host.
int	h_addrtype
	This indicates the address family of the IP address that maps to the given hostname. The values it takes are AF_INET (v4) / AF_INET6 (v6).
int	h_length
	This indicates the length (in bytes) of the IP address that follows. For IPv4 address it is set to 4, and for IPv6 address set to 16 bytes.
int	h_addrcnt
	This is the number of IP addresses returned for the given hostname.
IPN	h_addr [MAXIPADDR]
	List of upto MAXIPADDR IPv4 addresses (Network format) that map to the given hostname.
char *	h_addr_list [MAXIPADDR]
	List of upto MAXIPADDR IPv4/IPv6 addresses that map to given hostname.