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4578 | mejdrech | 1 | /* |
2 | * Copyright (c) 2009 Lukas Mejdrech |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | /** @addtogroup netdb |
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30 | * @{ |
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31 | */ |
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32 | |||
33 | /** @file |
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34 | * Structures and interfaces according to the BSD netdb.h file. |
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35 | */ |
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36 | |||
37 | #ifndef __NET_NETDB_H__ |
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38 | #define __NET_NETDB_H__ |
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39 | |||
40 | #include <sys/types.h> |
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41 | |||
42 | /** Structure returned by network data base library. |
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43 | * All addresses are supplied in host order, and returned in network order (suitable for use in system calls). |
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44 | */ |
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45 | struct hostent { |
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46 | /** Official host name. |
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47 | */ |
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48 | char * h_name; |
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49 | /** Alias list. |
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50 | */ |
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51 | char ** h_aliases; |
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52 | /** Host address type. |
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53 | */ |
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54 | int h_addrtype; |
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55 | /** Address length. |
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56 | */ |
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57 | int h_length; |
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58 | /** List of addresses from name server. |
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59 | */ |
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60 | char ** h_addr_list; |
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61 | /** Address, for backward compatiblity. |
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62 | */ |
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63 | #define h_addr h_addr_list[ 0 ] |
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64 | }; |
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65 | |||
66 | #define HOST_NOT_FOUND 1 /* Authoritative Answer Host not found */ |
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67 | #define TRY_AGAIN 2 /* Non-Authoritive Host not found, or SERVERFAIL */ |
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68 | #define NO_RECOVERY 3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */ |
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69 | #define NO_DATA 4 /* Valid name, no data record of requested type */ |
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70 | #define NO_ADDRESS NO_DATA /* no address, look for MX record */ |
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71 | |||
72 | struct hostent * gethostbyaddr( const void * address, int len, int type ); |
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73 | struct hostent * gethostbyname( const char * name ); |
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74 | |||
75 | #endif |
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76 | |||
77 | /** @} |
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78 | */ |