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diff --git a/src/port_list_struct.h b/src/port_list_struct.h
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+/*
+ * active port forwarder - software for secure forwarding
+ * Copyright (C) 2003-2007 jeremian <jeremian [at] poczta.fm>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#ifndef _JS_PORT_LIST_STRUCT_H
+#define _JS_PORT_LIST_STRUCT_H
+
+#include "port_list_node_struct.h"
+
+typedef struct portlist {
+ int size;
+ PortListNode* head;
+ PortListNode* tail;
+} PortList;
+
+/* 'constructor' */
+PortList* PortList_new();
+/* 'destructor' */
+void PortList_free(PortList** pl);
+/* other */
+void PortList_insert_back(PortList* pl, PortListNode* pln);
+PortListNode* PortList_get_nth(PortList* pl, int n);
+int PortList_get_size(PortList* pl);
+void PortList_clear(PortList* pl);
+
+#endif