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Annotation of 43BSDReno/usr.sbin/named/tools/nslookup/res.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1985,1989 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted provided
        !             6:  * that: (1) source distributions retain this entire copyright notice and
        !             7:  * comment, and (2) distributions including binaries display the following
        !             8:  * acknowledgement:  ``This product includes software developed by the
        !             9:  * University of California, Berkeley and its contributors'' in the
        !            10:  * documentation or other materials provided with the distribution and in
        !            11:  * all advertising materials mentioning features or use of this software.
        !            12:  * Neither the name of the University nor the names of its contributors may
        !            13:  * be used to endorse or promote products derived from this software without
        !            14:  * specific prior written permission.
        !            15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            18:  *
        !            19:  *     @(#)res.h       5.10 (Berkeley) 6/1/90
        !            20:  */
        !            21: 
        !            22: /*
        !            23:  *******************************************************************************
        !            24:  *
        !            25:  *  res.h --
        !            26:  *
        !            27:  *     Definitions used by modules of the name server lookup program.
        !            28:  *
        !            29:  *     Copyright (c) 1985
        !            30:  *     Andrew Cherenson
        !            31:  *     U.C. Berkeley
        !            32:  *     CS298-26  Fall 1985
        !            33:  * 
        !            34:  *******************************************************************************
        !            35:  */
        !            36: 
        !            37: #define TRUE   1
        !            38: #define FALSE  0
        !            39: typedef int Boolean;
        !            40: 
        !            41: /*
        !            42:  *  Define return statuses in addtion to the ones defined in namserv.h
        !            43:  *   let SUCCESS be a synonym for NOERROR
        !            44:  *
        !            45:  *     TIME_OUT        - a socket connection timed out.
        !            46:  *     NO_INFO         - the server didn't find any info about the host.
        !            47:  *     ERROR           - one of the following types of errors:
        !            48:  *                        dn_expand, res_mkquery failed
        !            49:  *                        bad command line, socket operation failed, etc.
        !            50:  *     NONAUTH         - the server didn't have the desired info but
        !            51:  *                       returned the name(s) of some servers who should.
        !            52:  *     NO_RESPONSE     - the server didn't respond.
        !            53:  *
        !            54:  */
        !            55: 
        !            56: #define  SUCCESS               0
        !            57: #define  TIME_OUT              -1
        !            58: #define  NO_INFO               -2
        !            59: #define  ERROR                 -3
        !            60: #define  NONAUTH               -4
        !            61: #define  NO_RESPONSE           -5
        !            62: 
        !            63: /*
        !            64:  *  Define additional options for the resolver state structure.
        !            65:  *
        !            66:  *   RES_DEBUG2                more verbose debug level
        !            67:  */
        !            68: 
        !            69: #define RES_DEBUG2     0x80000000
        !            70: 
        !            71: /*
        !            72:  *  Maximum length of server, host and file names.
        !            73:  */
        !            74: 
        !            75: #define NAME_LEN 256
        !            76: 
        !            77: 
        !            78: /*
        !            79:  * Modified struct hostent from <netdb.h>
        !            80:  *
        !            81:  * "Structures returned by network data base library.  All addresses
        !            82:  * are supplied in host order, and returned in network order (suitable
        !            83:  * for use in system calls)."
        !            84:  */
        !            85: 
        !            86: typedef struct {
        !            87:        char    *name;          /* official name of host */
        !            88:        char    **domains;      /* domains it serves */
        !            89:        char    **addrList;     /* list of addresses from name server */
        !            90: } ServerInfo;
        !            91: 
        !            92: typedef struct {
        !            93:        char    *name;          /* official name of host */
        !            94:        char    **aliases;      /* alias list */
        !            95:        char    **addrList;     /* list of addresses from name server */
        !            96:        int     addrType;       /* host address type */
        !            97:        int     addrLen;        /* length of address */
        !            98:        ServerInfo **servers;
        !            99: } HostInfo;
        !           100: 
        !           101: 
        !           102: /*
        !           103:  *  FilePtr is used for directing listings to a file.
        !           104:  *  It is global so the Control-C handler can close it.
        !           105:  */
        !           106: 
        !           107: extern FILE *filePtr;
        !           108: 
        !           109: /*
        !           110:  * TCP/UDP port of server.
        !           111:  */
        !           112: extern unsigned short nsport;
        !           113: 
        !           114: /*
        !           115:  *  External routines:
        !           116:  */
        !           117: 
        !           118: extern Boolean IsAddr();
        !           119: extern int  Print_query();
        !           120: extern char *Print_cdname();
        !           121: extern char *Print_cdname2();  /* fixed width */
        !           122: extern char *Print_rr();
        !           123: extern char *DecodeType();     /* descriptive version of p_type */
        !           124: extern char *DecodeError();
        !           125: extern char *Calloc();
        !           126: extern char *Malloc();
        !           127: extern void NsError();
        !           128: extern void PrintServer();
        !           129: extern void PrintHostInfo();
        !           130: extern void ShowOptions();
        !           131: extern void FreeHostInfoPtr();
        !           132: extern FILE *OpenFile();
        !           133: extern char *res_skip();

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