BSD 4_3_Reno release

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

diff --git a/usr/include/resolv.h b/usr/include/resolv.h
index ec5ff75..6098293 100644 (file)
--- a/usr/include/resolv.h
+++ b/usr/include/resolv.h
@@ -1,19 +1,43 @@
-

 /*
 /*

- * Copyright (c) 1983 Regents of the University of California.
- * All rights reserved.  The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
+ * Copyright (c) 1983, 1987, 1989 The 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.

  *
  *

- *     @(#)resolv.h    5.4 (Berkeley) 2/22/86
+ *     @(#)resolv.h    5.10 (Berkeley) 6/1/90

  */
 
 /*
  */
 
 /*

- * Global defines and variables for resolver stub.
+ * Resolver configuration file.
+ * Normally not present, but may contain the address of the
+ * inital name server(s) to query and the domain search list.

  */
 
  */
 

+#ifndef _PATH_RESCONF
+#define _PATH_RESCONF        "/etc/resolv.conf"
+#endif

 
 

+/*
+ * Global defines and variables for resolver stub.
+ */

 #define        MAXNS           3               /* max # name servers we'll track */
 #define        MAXNS           3               /* max # name servers we'll track */

+#define        MAXDFLSRCH      3               /* # default domain levels to try */
+#define        MAXDNSRCH       6               /* max # domains in search path */
+#define        LOCALDOMAINPARTS 2              /* min levels in name that is "local" */

 
 

+#define        RES_TIMEOUT     5               /* min. seconds between retries */

 
 struct state {
        int     retrans;                /* retransmition time interval */
 
 struct state {
        int     retrans;                /* retransmition time interval */


@@ -24,6 +48,7 @@ struct state {
 #define        nsaddr  nsaddr_list[0]          /* for backward compatibility */
        u_short id;                     /* current packet id */
        char    defdname[MAXDNAME];     /* default domain */
 #define        nsaddr  nsaddr_list[0]          /* for backward compatibility */
        u_short id;                     /* current packet id */
        char    defdname[MAXDNAME];     /* default domain */

+       char    *dnsrch[MAXDNSRCH+1];   /* components of domain to search */

 };
 
 /*
 };
 
 /*


@@ -38,6 +63,9 @@ struct state {
 #define RES_RECURSE    0x0040          /* recursion desired */
 #define RES_DEFNAMES   0x0080          /* use default domain name */
 #define RES_STAYOPEN   0x0100          /* Keep TCP socket open */
 #define RES_RECURSE    0x0040          /* recursion desired */
 #define RES_DEFNAMES   0x0080          /* use default domain name */
 #define RES_STAYOPEN   0x0100          /* Keep TCP socket open */

+#define RES_DNSRCH     0x0200          /* search up local domain tree */
+
+#define RES_DEFAULT    (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)

 
 extern struct state _res;
 
 extern struct state _res;

-extern char *p_cdname(), *p_rr(), *p_type(), *p_class();
+extern char *p_cdname(), *p_rr(), *p_type(), *p_class(), *p_time();