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1 /* NETDB.H |
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2 * |
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3 * Portions Copyright (c) 1993-1999 Nokia Corporation and/or its subsidiary(-ies). |
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4 * All rights reserved. |
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5 */ |
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6 |
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7 /*- |
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8 * Copyright (c) 1980, 1983, 1988, 1993 |
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9 * The Regents of the University of California. All rights reserved. |
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10 * |
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11 * Redistribution and use in source and binary forms, with or without |
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12 * modification, are permitted provided that the following conditions |
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13 * are met: |
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14 * 1. Redistributions of source code must retain the above copyright |
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15 * notice, this list of conditions and the following disclaimer. |
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16 * 2. Redistributions in binary form must reproduce the above copyright |
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17 * notice, this list of conditions and the following disclaimer in the |
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18 * documentation and/or other materials provided with the distribution. |
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19 * 3. All advertising materials mentioning features or use of this software |
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20 * must display the following acknowledgement: |
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21 * This product includes software developed by the University of |
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22 * California, Berkeley and its contributors. |
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23 * 4. Neither the name of the University nor the names of its contributors |
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24 * may be used to endorse or promote products derived from this software |
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25 * without specific prior written permission. |
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26 * |
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27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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37 * SUCH DAMAGE. |
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38 * |
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39 * Portions Copyright (c) 1993 by Digital Equipment Corporation. |
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40 * |
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41 * Permission to use, copy, modify, and distribute this software for any |
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42 * purpose with or without fee is hereby granted, provided that the above |
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43 * copyright notice and this permission notice appear in all copies, and that |
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44 * the name of Digital Equipment Corporation not be used in advertising or |
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45 * publicity pertaining to distribution of the document or software without |
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46 * specific, written prior permission. |
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47 * |
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48 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL |
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49 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES |
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50 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT |
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51 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
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52 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
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53 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS |
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54 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
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55 * SOFTWARE. |
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56 * - |
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57 * --Copyright-- |
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58 */ |
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59 |
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60 /** @file |
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61 @publishedAll |
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62 @released |
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63 */ |
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64 |
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65 #ifndef _NETDB_H_ |
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66 #define _NETDB_H_ |
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67 |
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68 #ifdef __cplusplus |
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69 extern "C" { |
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70 #endif |
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71 |
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72 #include <_ansi.h> |
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73 #include <sys/errno.h> |
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74 |
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75 #define _PATH_HEQUIV "/etc/hosts.equiv" |
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76 #define _PATH_HOSTS "/etc/hosts" |
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77 #define _PATH_NETWORKS "/etc/networks" |
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78 #define _PATH_PROTOCOLS "/etc/protocols" |
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79 #define _PATH_SERVICES "/etc/services" |
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80 |
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81 #define h_errno errno |
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82 |
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83 /** |
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84 Structures returned by network data base library. All addresses are |
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85 supplied in host order, and returned in network order (suitable for |
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86 use in system calls). |
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87 */ |
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88 struct hostent { |
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89 char *h_name; /* official name of host */ |
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90 char **h_aliases; /* alias list */ |
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91 int h_addrtype; /* host address type */ |
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92 int h_length; /* length of address */ |
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93 char **h_addr_list; /* list of addresses from name server */ |
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94 #define h_addr h_addr_list[0] /* address, for backward compatibility */ |
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95 }; |
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96 |
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97 /** |
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98 Assumption here is that a network number |
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99 fits in an unsigned long -- probably a poor one. |
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100 */ |
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101 struct netent { |
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102 char *n_name; /* official name of net */ |
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103 char **n_aliases; /* alias list */ |
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104 int n_addrtype; /* net address type */ |
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105 unsigned long n_net; /* network # */ |
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106 }; |
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107 |
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108 struct servent { |
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109 char *s_name; /* official service name */ |
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110 char **s_aliases; /* alias list */ |
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111 int s_port; /* port # */ |
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112 char *s_proto; /* protocol to use */ |
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113 }; |
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114 |
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115 struct protoent { |
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116 char *p_name; /* official protocol name */ |
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117 char **p_aliases; /* alias list */ |
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118 int p_proto; /* protocol # */ |
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119 }; |
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120 |
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121 /** |
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122 Error return codes from gethostbyname() and gethostbyaddr() |
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123 */ |
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124 #define NETDB_INTERNAL -1 /* see errno */ |
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125 #define NETDB_SUCCESS 0 /* no problem */ |
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126 #define HOST_NOT_FOUND ENOENT /* Authoritative Answer Host not found */ |
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127 #define TRY_AGAIN ETIMEDOUT /* Non-Authoritative Host not found, or SERVERFAIL */ |
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128 #define NO_RECOVERY ECOMM /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ |
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129 #define NO_DATA 4 /* Valid name, no data record of requested type */ |
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130 #define NO_ADDRESS NO_DATA /* no address, look for MX record */ |
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131 |
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132 IMPORT_C struct hostent *gethostbyaddr (const char *, int, int); |
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133 IMPORT_C struct hostent *gethostbyname (const char *); |
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134 struct servent *getservbyname (const char *, const char *); |
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135 struct servent *getservbyport (int, const char *); |
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136 struct netent *getnetbyaddr (unsigned long, int); |
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137 struct netent *getnetbyname (const char *); |
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138 struct protoent *getprotobyname (const char *); |
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139 struct protoent *getprotobynumber (int); |
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140 |
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141 #ifdef __cplusplus |
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142 } |
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143 #endif |
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144 |
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145 #endif /* !_NETDB_H_ */ |