#ifndef __RESOLV_LOADED
#define __RESOLV_LOADED 1

#pragma __nostandard
#include <decc$types.h>

#if __CRTL_VER >= 70000000  /*  Only OpenVMS V6.2 or later  */
/*
** THIS HEADER IS SPECIALLY DESIGNED FOR THE TCPIP OPENVMS ENVIRONMENT.
**
** THE BIND LIBRARY SHOULD BE BUILT WITH /DEFINE=__TCPIP_RESOLVER_BUILD__
** OTHERWISE THE INTERFACE TO TCPIP$ACCESS_SHR.EXE WILL BE USED.
*/

/****************************************************************************
**
**  <resolv.h> - Resolver configuration file
**
*****************************************************************************
**  Header is nonstandard
*****************************************************************************
**
**  Copyright 2000 Compaq Computer Corporation
**
**  Compaq and the Compaq logo Registered in U.S. Patent and Trademark Office.
**
**  Confidential computer software. Valid license from Compaq required for
**  possession, use or copying. Consistent with FAR 12.211 and 12.212,
**  Commercial Computer Software, Computer Software Documentation, and
**  Technical Data for Commercial Items are licensed to the U.S. Government
**  under vendor's standard commercial license.
**
******************************************************************************
*/

#ifdef __cplusplus
    extern "C" {
#endif

#include <bitypes.h>
#include <in.h>
#include <nameser.h>
#include <types.h>
#include <stdio.h>

#if __INITIAL_POINTER_SIZE
#   pragma __pointer_size __save
#   pragma __pointer_size 32
#endif


/*
**  Conditionally define in_addr_t and __u_char_ptr32 structures
*/
#ifndef __U_CHAR_PTR32
#   define __U_CHAR_PTR32 1
    typedef u_char * __u_char_ptr32;
    typedef const u_char * __const_u_char_ptr32;
#endif


/*
**  Enable 64 bit pointers for prototypes when the user has used the 
**  /pointer_size qualifier.
*/
#if __INITIAL_POINTER_SIZE
#pragma __pointer_size 64
#endif


/*
**  Function prototypes
*/
__char_ptr32 hostalias (const char *);


/*
 * Revision information.  This is the release date in YYYYMMDD format.
 * It can change every day so the right thing to do with it is use it
 * in preprocessor commands such as "#if (__RES > 19931104)".  Do not
 * compare for equality; rather, use it to determine whether your resolver
 * is new enough to contain a certain feature.
 */

#define	__RES	19960801

/*
 * Global defines and variables for resolver stub.
 */
#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	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 */

struct __res_state {
#if !defined __TCPIP_RESOLVER_BUILD__
    struct {
#endif
	int	retrans;	 	/* retransmition time interval */
	int	retry;			/* number of times to retransmit */
	u_long	options;		/* option flags - see below. */
	int	nscount;		/* number of name servers */
	struct sockaddr_in
		nsaddr_list[MAXNS];	/* address of name server */
#define	nsaddr	nsaddr_list[0]		/* for backward compatibility */
	u_short	id;			/* current message id */
	char	*dnsrch[MAXDNSRCH+1];	/* components of domain to search */
	char	defdname[256];		/* default domain (deprecated) */
	u_long	pfcode;			/* RES_PRF_ flags - see below. */
	unsigned ndots:4;		/* threshold for initial abs. query */
	unsigned nsort:4;		/* number of elements in sort_list[] */
	char	unused[3];
	struct {
		struct in_addr	addr;
		u_int32_t	mask;
	} sort_list[MAXRESOLVSORT];
	union {
		struct sockaddr_in
			last_nsaddr;	/* the server we just talked to */
		char	pad[72];	/* On an i386 this means 512b total. */
	} reserved;
#define last_ns reserved.last_nsaddr
#if !defined __TCPIP_RESOLVER_BUILD__
    } res_state;
#endif
};

/*
 * Resolver options (keep these in synch with res_debug.c, please)
 */
#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_DEFAULT	(RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)

/*
 * Resolver "pfcode" values.  Used by dig.
 */
#define RES_PRF_STATS	0x00000001
#define RES_PRF_UPDATE	0x00000002
#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
/*			0x00008000	*/

typedef enum { res_goahead, res_nextns, res_modified, res_done, res_error }
	res_sendhookact;

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);

struct res_sym {
	int	number;		/* Identifying number, like T_MX */
	char *	name;		/* Its symbolic name, like "MX" */
	char *	humanname;	/* Its fun name, like "mail exchanger" */
};


/*
**  The following procedures are not defined in the DECC$SHR image, but
**  instead must be resolved with the TCPIP images.
**
**  If the user has defined a feature test macro, __TCPIP_GLOBALS, we will
**  define these functions as globals which are resolved by a TCPIP object
**  library.
*/
#ifdef __TCPIP_GLOBALS
#define res_hnok		TCPIP$RES_HNOK
#define res_ownok		TCPIP$RES_OWNOK
#define res_mailok		TCPIP$RES_MAILOK
#define res_dnok		TCPIP$RES_DNOK
#define	sym_ston		TCPIP$SYM_STON
#define	sym_ntos		TCPIP$SYM_NTOS
#define	sym_ntop		TCPIP$SYM_NTOP
#define b64_ntop		TCPIP$B64_NTOP
#define	b64_pton		TCPIP$B64_PTON
#define loc_ntoa		TCPIP$LOC_NTOA
#define loc_aton		TCPIP$LOC_ATON
#define	fp_resstat		TCPIP$FP_RESSTAT
#define p_query			TCPIP$P_QUERY
#define	dn_skipname		TCPIP$DN_SKIPNAME
#define	fp_resstat		TCPIP$FP_RESSTAT
#define	fp_query		TCPIP$FP_QUERY
#define	fp_nquery		TCPIP$FP_NQUERY
#if 0
#  define	hostalias		TCPIP$HOSTALIAS
#endif
#define	putlong			TCPIP$PUTLONG
#define	putshort		TCPIP$PUTSHORT
#define p_class			TCPIP$P_CLASS
#define p_time			TCPIP$P_TIME
#define p_type			TCPIP$P_TYPE
#define p_query			TCPIP$P_QUERY
#define	p_cdnname		TCPIP$P_CDNNAME
#define	p_section		TCPIP$P_SECTION
#define	p_cdname		TCPIP$P_CDNAME
#define	p_fqnname		TCPIP$P_FQNNAME
#define	p_fqname		TCPIP$P_FQNAME
#define	p_option		TCPIP$P_OPTION
#define	p_secstodate		TCPIP$P_SECSTODATE
#define	dn_count_labels		TCPIP$DN_COUNT_LABELS
#define	dn_comp			TCPIP$DN_COMP
#define	dn_expand		TCPIP$DN_EXPAND
#define	res_init		TCPIP$RES_INIT
#define	res_randomid		TCPIP$RES_RANDOMID
#define	res_query		TCPIP$RES_QUERY
#define	res_search		TCPIP$RES_SEARCH
#define	res_querydomain		TCPIP$RES_QUERYDOMAIN
#define	res_mkquery		TCPIP$RES_MKQUERY
#define	res_send		TCPIP$RES_SEND
#define	res_isourserver		TCPIP$RES_ISOURSERVER
#define	res_nameinquery		TCPIP$RES_NAMEINQUERY
#define	res_queriesmatch	TCPIP$RES_QUERIESMATCH
#define res_close		TCPIP$RES_CLOSE
#define res_update		TCPIP$RES_UPDATE
#define res_mkupdate		TCPIP$RES_MKUPDATE
#define res_mkupdrec		TCPIP$RES_MKUPDREC
#define res_freeupdrec		TCPIP$RES_FREEUPDREC
#define __p_class_syms		(TCPIP$P_CLASS_SYMS())
#define __p_type_syms		(TCPIP$P_TYPE_SYMS())
#define _res_opcodes		TCPIP$RES_OPCODES
#define _res_resultcodes	TCPIP$RES_RESULTCODES
#define _res_sectioncodes	TCPIP$RES_SECTION_CODES
#endif


/*
**  Function prototypes
*/
int		res_hnok (const char *);
int		res_ownok (const char *);
int		res_mailok (const char *);
int		res_dnok (const char *);
int		sym_ston (const struct res_sym *, const char *, int *);
__const_char_ptr32 sym_ntos (const struct res_sym *, int, int *);
__const_char_ptr32 sym_ntop (const struct res_sym *, int, int *);
int		b64_ntop (u_char const *, size_t, char *, size_t);
int		b64_pton (char const *, u_char *, size_t);
int		loc_aton (const char *ascii, u_char *binary);
__const_char_ptr32 loc_ntoa (const u_char *binary, char *ascii);
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_ptr32	hostalias (const char *);
void		putlong (u_int32_t, u_char *);
void		putshort (u_int16_t, u_char *);
__char_ptr32	p_class (int);
__char_ptr32	p_time (u_int32_t);
__char_ptr32	p_type (int);
void		p_query (const u_char *);
__u_char_ptr32	p_cdnname (const u_char *, const u_char *, int, FILE *);
__u_char_ptr32	p_cdname (const u_char *, const u_char *, FILE *);
__u_char_ptr32	p_fqnname (const u_char *cp, const u_char *msg,
			       int, char *, int);
__const_u_char_ptr32 p_fqname (const u_char *, const u_char *, FILE *);
__char_ptr32	p_option (u_long option);
__char_ptr32	p_secstodate (u_long);
int		dn_count_labels (const char *);
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);
u_int		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_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 *);
void		res_close (void);
__char_ptr32	p_section (int section, int opcode);
int		res_update (ns_updrec *);
int		res_mkupdate (ns_updrec *, u_char *, int);
ns_updrec *	res_mkupdrec (int, const char *, u_int, u_int, u_long);
void		res_freeupdrec (ns_updrec *);

/*
**  Restore the users pointer context
*/
#if __INITIAL_POINTER_SIZE
#   pragma __pointer_size __restore
#endif

#ifdef __cplusplus
    }
#endif
#endif  /* __RESOLV_LOADED  */
#pragma __standard
#endif  /* __CRTL_VER        */