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+/* Copyright (c) 2001 Matej Pfajfar.
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+ * Copyright (c) 2001-2004, Roger Dingledine.
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+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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+ * Copyright (c) 2007-2010, The Tor Project, Inc. */
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+/* See LICENSE for licensing information */
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+
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+/**
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+ * \file dns.h
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+ * \brief Header file for dns.c.
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+ **/
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+
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+#ifndef _TOR_DNS_H
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+#define _TOR_DNS_H
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+
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+int dns_init(void);
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+int has_dns_init_failed(void);
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+void dns_free_all(void);
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+uint32_t dns_clip_ttl(uint32_t ttl);
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+int dns_reset(void);
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+void connection_dns_remove(edge_connection_t *conn);
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+void assert_connection_edge_not_dns_pending(edge_connection_t *conn);
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+void assert_all_pending_dns_resolves_ok(void);
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+void dns_cancel_pending_resolve(const char *question);
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+int dns_resolve(edge_connection_t *exitconn);
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+void dns_launch_correctness_checks(void);
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+int dns_seems_to_be_broken(void);
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+void dns_reset_correctness_checks(void);
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+void dump_dns_mem_usage(int severity);
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+
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+#endif
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+
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