resolv.h File Reference

#include <sys/types.h>
#include <stdio.h>
#include <winsock2.h>

Include dependency graph for resolv.h:

Go to the source code of this file.

Classes
struct	__res_state

Macros
#define	__RES   19951031
#define	_PATH_RESCONF   "/etc/resolv.conf"
#define	MAXNS   3 /* max # name servers we'll track */
#define	MAXDFLSRCH   3 /* # default domain levels to try */
#define	MAXDNSRCH   6 /* max # domains in search path */
#define	LOCALDOMAINPARTS   2 /* min levels in name that is "local" */
#define	MAXDNSLUS   4 /* max # of host lookup types */
#define	RES_TIMEOUT   5 /* min. seconds between retries */
#define	MAXRESOLVSORT   10 /* number of net to sort on */
#define	RES_MAXNDOTS   15 /* should reflect bit field size */
#define	nsaddr   nsaddr_list[0] /* for backward compatibility */
#define	RES_INIT   0x00000001 /* address initialized */
#define	RES_DEBUG   0x00000002 /* print debug messages */
#define	RES_AAONLY   0x00000004 /* authoritative answers only (!IMPL)*/
#define	RES_USEVC   0x00000008 /* use virtual circuit */
#define	RES_PRIMARY   0x00000010 /* query primary server only (!IMPL) */
#define	RES_IGNTC   0x00000020 /* ignore trucation errors */
#define	RES_RECURSE   0x00000040 /* recursion desired */
#define	RES_DEFNAMES   0x00000080 /* use default domain name */
#define	RES_STAYOPEN   0x00000100 /* Keep TCP socket open */
#define	RES_DNSRCH   0x00000200 /* search up local domain tree */
#define	RES_INSECURE1   0x00000400 /* type 1 security disabled */
#define	RES_INSECURE2   0x00000800 /* type 2 security disabled */
#define	RES_NOALIASES   0x00001000 /* shuts off HOSTALIASES feature */
#define	RES_USE_INET6   0x00002000 /* use/map IPv6 in gethostbyname() */
#define	RES_NOTLDQUERY   0x00000000 /* do not know where to find it */
#define	RES_DEFAULT   (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)
#define	RES_PRF_STATS   0x00000001
#define	RES_PRF_CLASS   0x00000004
#define	RES_PRF_CMD   0x00000008
#define	RES_PRF_QUES   0x00000010
#define	RES_PRF_ANS   0x00000020
#define	RES_PRF_AUTH   0x00000040
#define	RES_PRF_ADD   0x00000080
#define	RES_PRF_HEAD1   0x00000100
#define	RES_PRF_HEAD2   0x00000200
#define	RES_PRF_TTLID   0x00000400
#define	RES_PRF_HEADX   0x00000800
#define	RES_PRF_QUERY   0x00001000
#define	RES_PRF_REPLY   0x00002000
#define	RES_PRF_INIT   0x00004000
#define	__P(x)   ()
#define	dn_skipname   __dn_skipname
#define	fp_query   __fp_query
#define	fp_nquery   __fp_nquery
#define	hostalias   __hostalias
#define	putlong   __putlong
#define	putshort   __putshort
#define	p_class   __p_class
#define	p_time   __p_time
#define	p_type   __p_type
#define	p_cdnname   __p_cdnname
#define	p_cdname   __p_cdname
#define	p_fqname   __p_fqname
#define	p_rr   __p_rr
#define	p_option   __p_option
#define	res_randomid   __res_randomid
#define	res_isourserver   __res_isourserver
#define	res_nameinquery   __res_nameinquery
#define	res_queriesmatch   __res_queriesmatch

Typedefs
typedef res_sendhookact(*	res_send_qhook) (struct sockaddr_in *const *ns, const u_char **query, int *querylen, u_char *ans, int anssiz, int *resplen)
typedef res_sendhookact(*	res_send_rhook) (const struct sockaddr_in *ns, const u_char *query, int querylen, u_char *ans, int anssiz, int *resplen)

Enumerations
enum	res_sendhookact {   res_goahead,   res_nextns,   res_modified,   res_done,   res_error }

Functions
int	__dn_skipname (const u_char *, const u_char *)
void	__fp_resstat (struct __res_state *, FILE *)
void	__fp_query (const u_char *, FILE *)
void	__fp_nquery (const u_char *, int, FILE *)
char *	__hostalias (const char *)
void	__putlong (u_int32, u_char *)
void	__putshort (u_int16, u_char *)
char *	__p_time (u_int32)
void	__p_query (const u_char *)
const u_char *	__p_cdnname (const u_char *, const u_char *, int, FILE *)
const u_char *	__p_cdname (const u_char *, const u_char *, FILE *)
const u_char *	__p_fqname (const u_char *, const u_char *, FILE *)
const u_char *	__p_rr (const u_char *, const u_char *, FILE *)
const char *	__p_type (int)
const char *	__p_class (int)
const char *	__p_option (u_long option)
int	dn_comp (const char *, u_char *, int, u_char **, u_char **)
int	dn_expand (const u_char *, const u_char *, const u_char *, char *, int)
int	res_init (void)
int	res_init_ip (const char *szIp)
u_int16	res_randomid (void)
int	res_query (const char *, int, int, u_char *, int)
int	res_search (const char *, int, int, u_char *, int)
int	res_local_querydomain (const char *, const char *, int, int, u_char *, int)
int	res_mkquery (int, const char *, int, int, const u_char *, int, const u_char *, u_char *, int)
int	res_send (const u_char *, int, u_char *, int)
int	res_isourserver (const struct sockaddr_in *)
int	res_nameinquery (const char *, int, int, const u_char *, const u_char *)
int	res_queriesmatch (const u_char *, const u_char *, const u_char *, const u_char *)
u_int	inet_nsap_addr (const char *, u_char *, int maxlen)
char *	inet_nsap_ntoa (int, const u_char *, char *ascii)

Variables
struct __res_state	_sip_res

Macro Definition Documentation

#define __RES   19951031

#define _PATH_RESCONF   "/etc/resolv.conf"

#define MAXNS   3 /* max # name servers we'll track */

#define MAXDFLSRCH   3 /* # default domain levels to try */

#define MAXDNSRCH   6 /* max # domains in search path */

#define LOCALDOMAINPARTS   2 /* min levels in name that is "local" */

#define MAXDNSLUS   4 /* max # of host lookup types */

#define RES_TIMEOUT   5 /* min. seconds between retries */

#define MAXRESOLVSORT   10 /* number of net to sort on */

#define RES_MAXNDOTS   15 /* should reflect bit field size */

#define nsaddr   nsaddr_list[0] /* for backward compatibility */

#define RES_INIT   0x00000001 /* address initialized */

#define RES_DEBUG   0x00000002 /* print debug messages */

#define RES_AAONLY   0x00000004 /* authoritative answers only (!IMPL)*/

#define RES_USEVC   0x00000008 /* use virtual circuit */

#define RES_PRIMARY   0x00000010 /* query primary server only (!IMPL) */

#define RES_IGNTC   0x00000020 /* ignore trucation errors */

#define RES_RECURSE   0x00000040 /* recursion desired */

#define RES_DEFNAMES   0x00000080 /* use default domain name */

#define RES_STAYOPEN   0x00000100 /* Keep TCP socket open */

#define RES_DNSRCH   0x00000200 /* search up local domain tree */

#define RES_INSECURE1   0x00000400 /* type 1 security disabled */

#define RES_INSECURE2   0x00000800 /* type 2 security disabled */

#define RES_NOALIASES   0x00001000 /* shuts off HOSTALIASES feature */

#define RES_USE_INET6   0x00002000 /* use/map IPv6 in gethostbyname() */

#define RES_NOTLDQUERY   0x00000000 /* do not know where to find it */

#define RES_DEFAULT   (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)

#define RES_PRF_STATS   0x00000001

#define RES_PRF_CLASS   0x00000004

#define RES_PRF_CMD   0x00000008

#define RES_PRF_QUES   0x00000010

#define RES_PRF_ANS   0x00000020

#define RES_PRF_AUTH   0x00000040

#define RES_PRF_ADD   0x00000080

#define RES_PRF_HEAD1   0x00000100

#define RES_PRF_HEAD2   0x00000200

#define RES_PRF_TTLID   0x00000400

#define RES_PRF_HEADX   0x00000800

#define RES_PRF_QUERY   0x00001000

#define RES_PRF_REPLY   0x00002000

#define RES_PRF_INIT   0x00004000

#define __P

(

x

)

()

#define dn_skipname   __dn_skipname

#define fp_query   __fp_query

#define fp_nquery   __fp_nquery

#define hostalias   __hostalias

#define putlong   __putlong

#define putshort   __putshort

#define p_class   __p_class

#define p_time   __p_time

#define p_type   __p_type

#define p_cdnname   __p_cdnname

#define p_cdname   __p_cdname

#define p_fqname   __p_fqname

#define p_rr   __p_rr

#define p_option   __p_option

#define res_randomid   __res_randomid

#define res_isourserver   __res_isourserver

#define res_nameinquery   __res_nameinquery

#define res_queriesmatch   __res_queriesmatch

Typedef Documentation

typedef res_sendhookact(* res_send_qhook) (struct sockaddr_in *const *ns, const u_char **query, int *querylen, u_char *ans, int anssiz, int *resplen)

typedef res_sendhookact(* res_send_rhook) (const struct sockaddr_in *ns, const u_char *query, int querylen, u_char *ans, int anssiz, int *resplen)

Enumeration Type Documentation

enum res_sendhookact

Enumerator
res_goahead
res_nextns
res_modified
res_done
res_error

Function Documentation

int __dn_skipname	(	const u_char *	,
		const u_char *
	)

void __fp_resstat	(	struct __res_state *	,
		FILE *
	)

void __fp_query	(	const u_char *	,
		FILE *
	)

void __fp_nquery	(	const u_char *	,
		int	,
		FILE *
	)

char* __hostalias

(

const char *

)

void __putlong	(	u_int32	,
		u_char *
	)

void __putshort	(	u_int16	,
		u_char *
	)

char* __p_time

(

u_int32

)

void __p_query

(

const u_char *

)

const u_char* __p_cdnname	(	const u_char *	,
		const u_char *	,
		int	,
		FILE *
	)

const u_char* __p_cdname	(	const u_char *	,
		const u_char *	,
		FILE *
	)

const u_char* __p_fqname	(	const u_char *	,
		const u_char *	,
		FILE *
	)

const u_char* __p_rr	(	const u_char *	,
		const u_char *	,
		FILE *
	)

const char* __p_type

(

int

)

const char* __p_class

(

int

)

const char* __p_option

(

u_long

option

)

int dn_comp	(	const char *	,
		u_char *	,
		int	,
		u_char **	,
		u_char **
	)

int dn_expand	(	const u_char *	,
		const u_char *	,
		const u_char *	,
		char *	,
		int
	)

int res_init

(

void

)

int res_init_ip

(

const char *

szIp

)

u_int16 res_randomid

(

void

)

int res_query	(	const char *	,
		int	,
		int	,
		u_char *	,
		int
	)

int res_search	(	const char *	,
		int	,
		int	,
		u_char *	,
		int
	)

int res_local_querydomain	(	const char *	,
		const char *	,
		int	,
		int	,
		u_char *	,
		int
	)

int res_mkquery	(	int	,
		const char *	,
		int	,
		int	,
		const u_char *	,
		int	,
		const u_char *	,
		u_char *	,
		int
	)

int res_send	(	const u_char *	,
		int	,
		u_char *	,
		int
	)

int res_isourserver

(

const struct sockaddr_in *

)

int res_nameinquery	(	const char *	,
		int	,
		int	,
		const u_char *	,
		const u_char *
	)

int res_queriesmatch	(	const u_char *	,
		const u_char *	,
		const u_char *	,
		const u_char *
	)

u_int inet_nsap_addr	(	const char *	,
		u_char *	,
		int	maxlen
	)

char* inet_nsap_ntoa	(	int	,
		const u_char *	,
		char *	ascii
	)

Variable Documentation

struct __res_state _sip_res