BSD 4_3_Reno release

[unix-history] / usr / include / netdb.h

diff --git a/usr/include/netdb.h b/usr/include/netdb.h
index 140da55..1a55280 100644 (file)
--- a/usr/include/netdb.h
+++ b/usr/include/netdb.h
@@ -1,17 +1,42 @@
-/*     netdb.h 4.1     82/10/05        */
+/*-
+ * Copyright (c) 1980, 1983, 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that: (1) source distributions retain this entire copyright
+ * notice and comment, and (2) distributions including binaries display
+ * the following acknowledgement:  ``This product includes software
+ * developed by the University of California, Berkeley and its contributors''
+ * in the documentation or other materials provided with the distribution
+ * and in all advertising materials mentioning features or use of this
+ * software. Neither the name of the University nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *     @(#)netdb.h     5.11 (Berkeley) 5/21/90
+ */
+
+#define        _PATH_HEQUIV    "/etc/hosts.equiv"
+#define        _PATH_HOSTS     "/etc/hosts"
+#define        _PATH_NETWORKS  "/etc/networks"
+#define        _PATH_PROTOCOLS "/etc/protocols"
+#define        _PATH_SERVICES  "/etc/services"
+

 /*
 /*

- * Structures returned by network
- * data base library.  All addresses
- * are supplied in host order, and
- * returned in network order (suitable
- * for use in system calls).
+ * Structures returned by network data base library.  All addresses are
+ * supplied in host order, and returned in network order (suitable for
+ * use in system calls).

  */
 struct hostent {
        char    *h_name;        /* official name of host */
        char    **h_aliases;    /* alias list */
        int     h_addrtype;     /* host address type */
        int     h_length;       /* length of address */
  */
 struct hostent {
        char    *h_name;        /* official name of host */
        char    **h_aliases;    /* alias list */
        int     h_addrtype;     /* host address type */
        int     h_length;       /* length of address */

-       char    *h_addr;        /* address */
+       char    **h_addr_list;  /* list of addresses from name server */
+#define        h_addr  h_addr_list[0]  /* address, for backward compatiblity */

 };
 
 /*
 };
 
 /*


@@ -19,10 +44,10 @@ struct      hostent {
  * fits in 32 bits -- probably a poor one.
  */
 struct netent {
  * fits in 32 bits -- probably a poor one.
  */
 struct netent {

-       char    *n_name;        /* official name of net */
-       char    **n_aliases;    /* alias list */
-       int     n_addrtype;     /* net address type */
-       int     n_net;          /* network # */
+       char            *n_name;        /* official name of net */
+       char            **n_aliases;    /* alias list */
+       int             n_addrtype;     /* net address type */
+       unsigned long   n_net;          /* network # */

 };
 
 struct servent {
 };
 
 struct servent {


@@ -42,3 +67,14 @@ struct hostent       *gethostbyname(), *gethostbyaddr(), *gethostent();
 struct netent  *getnetbyname(), *getnetbyaddr(), *getnetent();
 struct servent *getservbyname(), *getservbyport(), *getservent();
 struct protoent        *getprotobyname(), *getprotobynumber(), *getprotoent();
 struct netent  *getnetbyname(), *getnetbyaddr(), *getnetent();
 struct servent *getservbyname(), *getservbyport(), *getservent();
 struct protoent        *getprotobyname(), *getprotobynumber(), *getprotoent();

+
+/*
+ * Error return codes from gethostbyname() and gethostbyaddr()
+ * (left in extern int h_errno).
+ */
+
+#define        HOST_NOT_FOUND  1 /* Authoritative Answer Host not found */
+#define        TRY_AGAIN       2 /* Non-Authoritive Host not found, or SERVERFAIL */
+#define        NO_RECOVERY     3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
+#define        NO_DATA         4 /* Valid name, no data record of requested type */
+#define        NO_ADDRESS      NO_DATA         /* no address, look for MX record */