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Annotation of 43BSDTahoe/etc/named/tools/nslookup/res.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1985 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that this notice is preserved and that due credit is given
        !             7:  * to the University of California at Berkeley. The name of the University
        !             8:  * may not be used to endorse or promote products derived from this
        !             9:  * software without specific prior written permission. This software
        !            10:  * is provided ``as is'' without express or implied warranty.
        !            11:  *
        !            12:  *     @(#)res.h       5.3 (Berkeley) 2/17/88
        !            13:  */
        !            14: 
        !            15: /*
        !            16:  *******************************************************************************
        !            17:  *
        !            18:  *  res.h --
        !            19:  *
        !            20:  *     Definitions used by modules of the name server 
        !            21:  *     lookup program.
        !            22:  *
        !            23:  *     Copyright (c) 1985 
        !            24:  *     Andrew Cherenson
        !            25:  *     CS298-26  Fall 1985
        !            26:  *  
        !            27:  *******************************************************************************
        !            28:  */
        !            29: 
        !            30: #define TRUE   1
        !            31: #define FALSE  0
        !            32: 
        !            33: /*
        !            34:  *  Define return statuses in addtion to the ones defined in namserv.h
        !            35:  *   let SUCCESS be a synonym for NOERROR
        !            36:  *
        !            37:  *     TIME_OUT        - a socket connection timed out.
        !            38:  *     NO_INFO         - the server didn't find any info about the host.
        !            39:  *     ERROR           - one of the following types of errors:
        !            40:  *                        dn_expand, res_mkquery failed
        !            41:  *                        bad command line, socket operation failed, etc.
        !            42:  *     NONAUTH         - the server didn't have the desired info but
        !            43:  *                       returned the name(s) of some servers who should.
        !            44:  *
        !            45:  */
        !            46: 
        !            47: #define  SUCCESS               0
        !            48: #define  TIME_OUT              -1
        !            49: #define  NO_INFO               -2
        !            50: #define  ERROR                         -3
        !            51: #define  NONAUTH               -4
        !            52: 
        !            53: /*
        !            54:  *  Define additional options for the resolver state structure.
        !            55:  *
        !            56:  *   RES_DEBUG2                more verbose debug level 
        !            57:  */
        !            58: 
        !            59: #define RES_DEBUG2     0x80000000
        !            60: 
        !            61: /*
        !            62:  *  Maximum length of server, host and file names.
        !            63:  */
        !            64: 
        !            65: #define NAME_LEN 80
        !            66: 
        !            67: 
        !            68: /*
        !            69:  * Modified struct hostent from <netdb.h>
        !            70:  *
        !            71:  * "Structures returned by network data base library.  All addresses
        !            72:  * are supplied in host order, and returned in network order (suitable
        !            73:  * for use in system calls)."
        !            74:  */
        !            75: 
        !            76: typedef struct {
        !            77:        char    *name;          /* official name of host */
        !            78:        char    **domains;      /* domains it serves */
        !            79:        char    **addrList;     /* list of addresses from name server */
        !            80: } ServerInfo;
        !            81: 
        !            82: typedef struct {
        !            83:        char    *name;          /* official name of host */
        !            84:        char    **aliases;      /* alias list */
        !            85:        char    **addrList;     /* list of addresses from name server */
        !            86:        int     addrType;       /* host address type */
        !            87:        int     addrLen;        /* length of address */
        !            88:        ServerInfo **servers;
        !            89: } HostInfo;
        !            90: 
        !            91: 
        !            92: /*
        !            93:  *  SockFD is the file descriptor for sockets used to connect with
        !            94:  *  the name servers. It is global so the Control-C handler can close
        !            95:  *  it. Likewise for filePtr, which is used for directing listings
        !            96:  *  to a file.
        !            97:  */
        !            98: 
        !            99: extern int sockFD;
        !           100: extern FILE *filePtr;
        !           101: 
        !           102: 
        !           103: /*
        !           104:  *  External routines:
        !           105:  */
        !           106: 
        !           107: extern int   Print_query();
        !           108: extern char *Print_cdname();
        !           109: extern char *Print_cdname2();  /* fixed width */
        !           110: extern char *Print_rr();
        !           111: extern char *DecodeType();     /* descriptive version of p_type */
        !           112: extern char *DecodeError();
        !           113: extern char *Calloc();
        !           114: extern void NsError();
        !           115: extern void PrintServer();
        !           116: extern void PrintHostInfo();
        !           117: extern void ShowOptions();
        !           118: extern void FreeHostInfoPtr();
        !           119: extern FILE *OpenFile();
        !           120: extern char *inet_ntoa();
        !           121: extern char *res_skip();

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