usr/src/lib/libbc/inc/include/netdb.h

   1 /*
   2  * Copyright (c) 1980,1983,1988 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
  13 /*
  14  * Structures returned by network data base library.
  15  * All addresses are supplied in host order, and
  16  * returned in network order (suitable for use in system calls).
  17  */
  18
  19 #ifndef _netdb_h
  20 #define _netdb_h
  21
  22 /*      from UCB 5.9 4/5/88     */
  23
  24 #pragma ident   "%Z%%M% %I%     %E% SMI"
  25
  26 #define _PATH_HEQUIV    "/etc/hosts.equiv"
  27 #define _PATH_HOSTS     "/etc/hosts"
  28 #define _PATH_NETWORKS  "/etc/networks"
  29 #define _PATH_PROTOCOLS "/etc/protocols"
  30 #define _PATH_SERVICES  "/etc/services"
  31
  32 struct  hostent {
  33         char    *h_name;        /* official name of host */
  34         char    **h_aliases;    /* alias list */
  35         int     h_addrtype;     /* host address type */
  36         int     h_length;       /* length of address */
  37         char    **h_addr_list;  /* list of addresses from name server */
  38 #define h_addr  h_addr_list[0]  /* address, for backward compatiblity */
  39 };
  40
  41 /*
  42  * Assumption here is that a network number
  43  * fits in 32 bits -- probably a poor one.
  44  */
  45 struct  netent {
  46         char            *n_name;        /* official name of net */
  47         char            **n_aliases;    /* alias list */
  48         int             n_addrtype;     /* net address type */
  49         unsigned long   n_net;          /* network # */
  50 };
  51
  52 struct  servent {
  53         char    *s_name;        /* official service name */
  54         char    **s_aliases;    /* alias list */
  55         int     s_port;         /* port # */
  56         char    *s_proto;       /* protocol to use */
  57 };
  58
  59 struct  protoent {
  60         char    *p_name;        /* official protocol name */
  61         char    **p_aliases;    /* alias list */
  62         int     p_proto;        /* protocol # */
  63 };
  64
  65 struct rpcent {
  66         char    *r_name;        /* name of server for this rpc program */
  67         char    **r_aliases;    /* alias list */
  68         int     r_number;       /* rpc program number */
  69 };
  70
  71 struct hostent  *gethostbyname(), *gethostbyaddr(), *gethostent();
  72 struct netent   *getnetbyname(), *getnetbyaddr(), *getnetent();
  73 struct servent  *getservbyname(), *getservbyport(), *getservent();
  74 struct protoent *getprotobyname(), *getprotobynumber(), *getprotoent();
  75 struct rpcent   *getrpcbyname(), *getrpcbynumber(), *getrpcent();
  76
  77 /*
  78  * Error return codes from gethostbyname() and gethostbyaddr()
  79  * (when using the resolver)
  80  */
  81
  82 extern  int h_errno;
  83
  84 #define HOST_NOT_FOUND  1 /* Authoritive Answer Host not found */
  85 #define TRY_AGAIN       2 /* Non-Authoritive Host not found, or SERVERFAIL */
  86 #define NO_RECOVERY     3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
  87 #define NO_DATA         4 /* Valid name, no data record of requested type */
  88 #define NO_ADDRESS      NO_DATA         /* no address, look for MX record */
  89
  90 #define MAXALIASES      35
  91 #define MAXADDRS        35
  92
  93 #endif /*!_netdb_h*/