dmake: do not set MAKEFLAGS=k
[unleashed/tickless.git] / usr / src / lib / libresolv / resolv.h
blobb8b8acdf98315c022b2100634da70adcfd31bfff
1 /*
2 * CDDL HEADER START
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
20 * CDDL HEADER END
23 * Copyright 1989 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
31 * Portions of this source code were derived from Berkeley 4.3 BSD
32 * under license from the Regents of the University of California.
36 * Global defines and variables for resolver stub.
39 #ifndef _RESOLV_H
40 #define _RESOLV_H
42 #pragma ident "%Z%%M% %I% %E% SMI"
44 #include <stdio.h>
46 #ifdef __cplusplus
47 extern "C" {
48 #endif
51 * Resolver configuration file.
52 * Normally not present, but may contain the address of the
53 * inital name server(s) to query and the domain search list.
56 #ifndef _PATH_RESCONF
57 #define _PATH_RESCONF "/etc/resolv.conf"
58 #endif
60 #define ADDRSORT 1 /* enable the address-sorting option */
61 #define MAXADDR 10 /* max # addresses to sort by */
63 #define MAXNS 3 /* max # name servers we'll track */
64 #define MAXDFLSRCH 3 /* # default domain levels to try */
65 #define MAXDNSRCH 6 /* max # default domain levels to try */
66 #define LOCALDOMAINPARTS 2 /* min levels in name that is "local" */
68 #define RES_TIMEOUT 6 /* seconds between retries */
70 struct state {
71 int retrans; /* retransmition time interval */
72 int retry; /* number of times to retransmit */
73 long options; /* option flags - see below. */
74 int nscount; /* number of name servers */
75 struct sockaddr_in nsaddr_list[MAXNS]; /* address of name server */
76 #define nsaddr nsaddr_list[0] /* for backward compatibility */
77 u_short id; /* current packet id */
78 char defdname[MAXDNAME]; /* default domain */
79 char *dnsrch[MAXDNSRCH+1]; /* components of domain to search */
80 int ascount; /* number of addresses */
81 struct in_addr sort_list[MAXADDR]; /* address sorting list */
85 * Resolver options
87 #define RES_INIT 0x0001 /* address initialized */
88 #define RES_DEBUG 0x0002 /* print debug messages */
89 #define RES_AAONLY 0x0004 /* authoritative answers only */
90 #define RES_USEVC 0x0008 /* use virtual circuit */
91 #define RES_PRIMARY 0x0010 /* query primary server only */
92 #define RES_IGNTC 0x0020 /* ignore trucation errors */
93 #define RES_RECURSE 0x0040 /* recursion desired */
94 #define RES_DEFNAMES 0x0080 /* use default domain name */
95 #define RES_STAYOPEN 0x0100 /* Keep TCP socket open */
96 #define RES_DNSRCH 0x0200 /* search up local domain tree */
98 #define RES_DEFAULT (RES_RECURSE | RES_DEFNAMES | RES_DNSRCH)
100 extern struct state _res;
102 #ifdef __STDC__
103 extern char *p_cdname(char *, char *, FILE *);
104 extern char *p_rr(char *, char *, FILE *);
105 extern char *p_type(int);
106 extern char *p_class(int);
107 extern char *p_time(unsigned long);
108 #else
109 extern char *p_cdname(), *p_rr(), *p_type(), *p_class(), *p_time();
110 #endif /* __STDC__ */
112 #ifdef __cplusplus
114 #endif
116 #endif /* _RESOLV_H */