| 1 | /* netdb.h,v 1.8 2004/09/14 22:27:34 bird Exp */ | 
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| 2 | /** @file | 
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| 3 | * BSD | 
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| 4 | * | 
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| 5 | * @changed Modified for emx by hv and em 1994-1997 | 
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| 6 | * @changed Modified for gcc by bird 2003 | 
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| 7 | */ | 
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| 8 |  | 
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| 9 | /* netdb.h,v 1.8 2004/09/14 22:27:34 bird Exp */ | 
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| 10 | /*- | 
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| 11 | * | 
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| 12 | * Copyright (c) 1980, 1983, 1988 Regents of the University of California. | 
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| 13 | * All rights reserved. | 
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| 14 | * | 
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| 15 | * Redistribution and use in source and binary forms, with or without | 
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| 16 | * modification, are permitted provided that the following conditions | 
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| 17 | * are met: | 
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| 18 | * 1. Redistributions of source code must retain the above copyright | 
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| 19 | *    notice, this list of conditions and the following disclaimer. | 
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| 20 | * 2. Redistributions in binary form must reproduce the above copyright | 
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| 21 | *    notice, this list of conditions and the following disclaimer in the | 
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| 22 | *    documentation and/or other materials provided with the distribution. | 
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| 23 | * 3. All advertising materials mentioning features or use of this software | 
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| 24 | *    must display the following acknowledgement: | 
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| 25 | *      This product includes software developed by the University of | 
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| 26 | *      California, Berkeley and its contributors. | 
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| 27 | * 4. Neither the name of the University nor the names of its contributors | 
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| 28 | *    may be used to endorse or promote products derived from this software | 
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| 29 | *    without specific prior written permission. | 
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| 30 | * | 
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| 31 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | 
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| 32 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
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| 33 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 
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| 34 | * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | 
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| 35 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
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| 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | 
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| 37 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | 
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| 38 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 
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| 39 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 
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| 40 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
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| 41 | * SUCH DAMAGE. | 
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| 42 | * | 
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| 43 | *      from: @(#)netdb.h       5.15 (Berkeley) 4/3/91 | 
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| 44 | *      netdb.h,v 1.8 2004/09/14 22:27:34 bird Exp | 
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| 45 | */ | 
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| 46 |  | 
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| 47 | #ifndef _NETDB_H_ | 
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| 48 | #define _NETDB_H_ | 
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| 49 | #ifdef TCPV40HDRS | 
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| 50 | #define __NETDB_32H | 
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| 51 | #endif | 
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| 52 |  | 
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| 53 | #if defined (__cplusplus) | 
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| 54 | extern "C" { | 
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| 55 | #endif | 
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| 56 |  | 
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| 57 | /* toolkit compatibility - start */ | 
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| 58 | #include <sys/param.h> | 
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| 59 | #include <sys/cdefs.h> | 
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| 60 | /* toolkit compatibility - end */ | 
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| 61 |  | 
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| 62 | #ifndef _EMX_TCPIP | 
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| 63 | #define _EMX_TCPIP | 
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| 64 | #endif | 
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| 65 |  | 
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| 66 | #ifdef __RSXNT__    /* convert some int values to short */ | 
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| 67 | #define __INT_T short | 
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| 68 | #pragma pack(1) | 
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| 69 | #else /* emx */ | 
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| 70 | #define __INT_T int | 
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| 71 | #endif | 
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| 72 |  | 
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| 73 |  | 
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| 74 | #define _PATH_HEQUIV    "/@unixroot/etc/hosts.equiv" | 
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| 75 | #define _PATH_HOSTS     "/@unixroot/etc/hosts" | 
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| 76 | #define _PATH_NETWORKS  "/@unixroot/etc/networks" | 
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| 77 | #define _PATH_PROTOCOLS "/@unixroot/etc/protocols" | 
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| 78 | #define _PATH_SERVICES  "/@unixroot/etc/services" | 
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| 79 |  | 
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| 80 | #ifdef TCPV40HDRS | 
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| 81 | #define h_errno         (tcp_h_errno())   /* __MT__ safe */ | 
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| 82 | #else | 
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| 83 | #define h_errno         (*tcp_h_errno1()) /* __MT__ safe */ | 
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| 84 | #endif | 
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| 85 |  | 
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| 86 | /* | 
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| 87 | * Structures returned by network data base library.  All addresses are | 
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| 88 | * supplied in host order, and returned in network order (suitable for | 
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| 89 | * use in system calls). | 
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| 90 | */ | 
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| 91 | struct  hostent { | 
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| 92 | char    *h_name;        /* official name of host */ | 
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| 93 | char    **h_aliases;    /* alias list */ | 
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| 94 | __INT_T h_addrtype;     /* host address type */ | 
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| 95 | __INT_T h_length;       /* length of address */ | 
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| 96 | char    **h_addr_list;  /* list of addresses from name server */ | 
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| 97 | #define h_addr  h_addr_list[0]  /* address, for backward compatiblity */ | 
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| 98 | }; | 
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| 99 |  | 
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| 100 | /* | 
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| 101 | * Assumption here is that a network number | 
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| 102 | * fits in 32 bits -- probably a poor one. | 
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| 103 | */ | 
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| 104 | struct  netent { | 
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| 105 | char            *n_name;        /* official name of net */ | 
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| 106 | char            **n_aliases;    /* alias list */ | 
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| 107 | __INT_T         n_addrtype;     /* net address type */ | 
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| 108 | unsigned long   n_net;          /* network # */ | 
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| 109 | }; | 
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| 110 |  | 
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| 111 | struct  servent { | 
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| 112 | char    *s_name;        /* official service name */ | 
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| 113 | char    **s_aliases;    /* alias list */ | 
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| 114 | __INT_T s_port;         /* port # */ | 
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| 115 | char    *s_proto;       /* protocol to use */ | 
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| 116 | }; | 
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| 117 |  | 
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| 118 | struct  protoent { | 
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| 119 | char    *p_name;        /* official protocol name */ | 
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| 120 | char    **p_aliases;    /* alias list */ | 
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| 121 | __INT_T p_proto;        /* protocol # */ | 
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| 122 | }; | 
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| 123 |  | 
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| 124 | /* | 
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| 125 | * Error return codes from gethostbyname() and gethostbyaddr() | 
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| 126 | * (left in extern int h_errno). | 
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| 127 | */ | 
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| 128 | #ifndef TCPV40HDRS | 
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| 129 | #define NETDB_INTERNAL  -1      /* see errno */ | 
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| 130 | #define NETDB_SUCCESS   0       /* no problem */ | 
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| 131 | #endif | 
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| 132 | #define HOST_NOT_FOUND  1 /* Authoritative Answer Host not found */ | 
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| 133 | #define TRY_AGAIN       2 /* Non-Authoritive Host not found, or SERVERFAIL */ | 
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| 134 | #define NO_RECOVERY     3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ | 
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| 135 | #define NO_DATA         4 /* Valid name, no data record of requested type */ | 
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| 136 | #define NO_ADDRESS      NO_DATA         /* no address, look for MX record */ | 
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| 137 |  | 
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| 138 |  | 
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| 139 | #ifdef TCPV40HDRS | 
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| 140 | #include <stdio.h> | 
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| 141 | #include <string.h> | 
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| 142 | #include <netinet\in.h> | 
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| 143 |  | 
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| 144 | /* IBM addendum structures and functions */ | 
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| 145 | #define _HOSTBUFSIZE    (4096+1) | 
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| 146 | #define _MAXADDRS       35 | 
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| 147 | #define _MAXALIASES     35 | 
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| 148 | #define _MAXLINELEN     1024 | 
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| 149 |  | 
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| 150 | /* this is the internally used data structure to which pointers of | 
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| 151 | * struct hostent ponit to, after gethostbyname_r/gethostbyaddr_r were | 
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| 152 | * called. ATTENTION EMX: The component _opaque_ is a pointer to a data | 
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| 153 | * structure which is not accessible by EMX | 
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| 154 | */ | 
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| 155 | struct hostent_data { | 
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| 156 | struct in_addr  host_addr;              /* host address pointer */ | 
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| 157 | char    *h_addr_ptrs[_MAXADDRS+1];      /* host address */ | 
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| 158 | char    hostaddr[_MAXADDRS]; | 
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| 159 | char    hostbuf[_HOSTBUFSIZE+1];        /* host data */ | 
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| 160 | char    *host_aliases[_MAXALIASES]; | 
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| 161 | char    *host_addrs[2]; | 
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| 162 | void    *_opaque_;                      /* EMX: dead component! */ | 
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| 163 | int     stayopen;                       /* AIX addon */ | 
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| 164 | u_long  host_addresses[_MAXADDRS];      /* Actual Addresses. */ | 
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| 165 | }; | 
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| 166 |  | 
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| 167 | struct servent_data { | 
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| 168 | void    *_opaque_; | 
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| 169 | char    line[_MAXLINELEN]; | 
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| 170 | char    *serv_aliases[_MAXALIASES]; | 
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| 171 | int     _serv_stayopen; | 
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| 172 | }; | 
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| 173 | #endif | 
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| 174 |  | 
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| 175 |  | 
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| 176 | /* BSD */ | 
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| 177 | int                 TCPCALL gethostname( char *, int ); | 
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| 178 | struct hostent *    TCPCALL gethostbyname( __const__ char * ); | 
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| 179 | struct hostent *    TCPCALL gethostbyaddr( __const__ char *, int, int ); | 
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| 180 | struct netent *     TCPCALL getnetbyname( __const__ char * ); | 
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| 181 | struct netent *     TCPCALL getnetbyaddr( unsigned long, int ); | 
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| 182 | struct servent *    TCPCALL getservbyname( __const__ char *, __const__ char * ); | 
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| 183 | struct servent *    TCPCALL getservbyport( int, __const__ char * ); | 
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| 184 | struct servent *    TCPCALL getservent( void ); | 
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| 185 | struct protoent *   TCPCALL getprotobyname( __const__ char * ); | 
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| 186 | struct protoent *   TCPCALL getprotobynumber( int ); | 
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| 187 | void                TCPCALL sethostent( int ); | 
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| 188 | struct hostent *    TCPCALL gethostent( void ); | 
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| 189 | void                TCPCALL endhostent(void); | 
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| 190 | void                TCPCALL setnetent( int ); | 
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| 191 | struct netent *     TCPCALL getnetent( void ); | 
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| 192 | void                TCPCALL endnetent(void); | 
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| 193 | void                TCPCALL setprotoent( int ); | 
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| 194 | struct protoent *   TCPCALL getprotoent( void ); | 
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| 195 | void                TCPCALL endprotoent(void); | 
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| 196 | void                TCPCALL setservent( int ); | 
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| 197 | struct servent *    TCPCALL getservent( void ); | 
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| 198 | void                TCPCALL endservent(void); | 
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| 199 | #ifndef TCPV40HDRS | 
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| 200 | struct hostent *    TCPCALL gethostbyname2( __const__ char *, int ); | 
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| 201 | #endif | 
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| 202 |  | 
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| 203 | /* New BSD Additions. */ | 
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| 204 | int             innetgr(const char *, const char *, const char *, const char *); | 
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| 205 | void            setnetgrent(const char *); | 
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| 206 | int             getnetgrent(char **, char **, char **); | 
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| 207 | void            endnetgrent(void); | 
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| 208 |  | 
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| 209 |  | 
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| 210 |  | 
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| 211 | /* OS2 Additions */ | 
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| 212 | #ifdef TCPV40HDRS | 
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| 213 | int                 TCPCALL tcp_h_errno(void); | 
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| 214 | struct hostent *    TCPCALL Rgethostbyname(char *); /* Socks additions */ | 
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| 215 | #else | 
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| 216 | const char *        TCPCALL hstrerror(int); | 
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| 217 | /* void               TCPCALL sethostfile(const char *); */ | 
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| 218 | int *               TCPCALL tcp_h_errno1(void); | 
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| 219 | #endif | 
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| 220 |  | 
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| 221 | /* EMX/BSD additions. */ | 
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| 222 | void                TCPCALL herror(__const__ char *); | 
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| 223 |  | 
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| 224 | /* EMX/BSD stuff which isn't implemeneted  */ | 
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| 225 | #ifndef TCPV40HDRS | 
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| 226 | struct hostent_data; | 
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| 227 | struct servent_data; | 
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| 228 | #endif | 
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| 229 | int                 gethostbyname_r(char*, struct hostent*, struct hostent_data*); | 
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| 230 | int                 gethostbyaddr_r(char*, int, int, struct hostent*, struct hostent_data*); | 
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| 231 | int                 getservbyname_r(char*, char*, struct servent*, struct servent_data*); | 
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| 232 | struct hostent *    _gethtbyname(char*); | 
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| 233 | struct hostent *    _gethtbyaddr(char*, int, int); | 
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| 234 |  | 
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| 235 |  | 
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| 236 | #ifdef __RSXNT__ | 
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| 237 | #pragma pack() | 
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| 238 | #endif | 
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| 239 | #undef __INT_T | 
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| 240 |  | 
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| 241 | #if defined (__cplusplus) | 
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| 242 | } | 
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| 243 | #endif | 
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| 244 |  | 
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| 245 | #endif /* !_NETDB_H_ */ | 
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| 246 |  | 
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