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+/*
+ * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute 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 BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* $Id: resolve.h,v 1.8 1999/12/02 16:58:52 joda Exp $ */
+
+#ifndef __RESOLVE_H__
+#define __RESOLVE_H__
+
+/* We use these, but they are not always present in <arpa/nameser.h> */
+
+#ifndef T_TXT
+#define T_TXT 16
+#endif
+#ifndef T_AFSDB
+#define T_AFSDB 18
+#endif
+#ifndef T_SRV
+#define T_SRV 33
+#endif
+#ifndef T_NAPTR
+#define T_NAPTR 35
+#endif
+
+struct dns_query{
+ char *domain;
+ unsigned type;
+ unsigned class;
+};
+
+struct mx_record{
+ unsigned preference;
+ char domain[1];
+};
+
+struct srv_record{
+ unsigned priority;
+ unsigned weight;
+ unsigned port;
+ char target[1];
+};
+
+struct resource_record{
+ char *domain;
+ unsigned type;
+ unsigned class;
+ unsigned ttl;
+ unsigned size;
+ union {
+ void *data;
+ struct mx_record *mx;
+ struct mx_record *afsdb; /* mx and afsdb are identical */
+ struct srv_record *srv;
+ struct in_addr *a;
+ char *txt;
+ }u;
+ struct resource_record *next;
+};
+
+#ifndef T_A /* XXX if <arpa/nameser.h> isn't included */
+typedef int HEADER; /* will never be used */
+#endif
+
+struct dns_reply{
+ HEADER h;
+ struct dns_query q;
+ struct resource_record *head;
+};
+
+
+struct dns_reply* dns_lookup(const char *, const char *);
+void dns_free_data(struct dns_reply *);
+
+#endif /* __RESOLVE_H__ */
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