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diff --git a/src/core/gnunet-service-core.h b/src/core/gnunet-service-core.h
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+/*
+     This file is part of GNUnet.
+     (C) 2009, 2010, 2011 Christian Grothoff (and other contributing authors)
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, or (at your
+     option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file core/gnunet-service-core.h
+ * @brief Globals for gnunet-service-core
+ * @author Christian Grothoff
+ */
+#ifndef GNUNET_SERVICE_CORE_H
+#define GNUNET_SERVICE_CORE_H
+
+#include "gnunet_statistics_service.h"
+#include "core.h"
+
+/**
+ * Opaque handle to a client.
+ */
+struct GSC_Client;
+
+
+/**
+ * Record kept for each request for transmission issued by a
+ * client that is still pending. (This struct is used by
+ * both the 'CLIENTS' and 'SESSIONS' subsystems.)
+ */
+struct GSC_ClientActiveRequest
+{
+
+  /**
+   * Active requests are kept in a doubly-linked list of
+   * the respective target peer.
+   */
+  struct GSC_ClientActiveRequest *next;
+
+  /**
+   * Active requests are kept in a doubly-linked list of
+   * the respective target peer.
+   */
+  struct GSC_ClientActiveRequest *prev;
+
+  /**
+   * Which peer is the message going to be for?
+   */
+  struct GNUNET_PeerIdentity target;
+
+  /**
+   * Handle to the client.
+   */
+  struct GSC_Client *client_handle;
+
+  /**
+   * By what time would the client want to see this message out?
+   */
+  struct GNUNET_TIME_Absolute deadline;
+
+  /**
+   * How important is this request.
+   */
+  uint32_t priority;
+
+  /**
+   * Has this request been solicited yet?
+   */
+  int was_solicited;
+
+  /**
+   * How many bytes does the client intend to send?
+   */
+  uint16_t msize;
+
+  /**
+   * Unique request ID (in big endian).
+   */
+  uint16_t smr_id;
+
+};
+
+
+/**
+ * Our configuration.
+ */
+extern const struct GNUNET_CONFIGURATION_Handle *GSC_cfg;
+
+/**
+ * For creating statistics.
+ */
+extern struct GNUNET_STATISTICS_Handle *GSC_stats;
+
+/**
+ * Our identity.
+ */
+extern struct GNUNET_PeerIdentity GSC_my_identity;
+
+
+#endif