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diff --git a/uip/apps/telnetd/shell.h b/uip/apps/telnetd/shell.h
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+/**
+ * \file
+ * Interface for the Contiki shell.
+ * \author Adam Dunkels <adam@dunkels.com>
+ *
+ * Some of the functions declared in this file must be implemented as
+ * a shell back-end in the architecture specific files of a Contiki
+ * port.
+ */
+
+
+/*
+ * Copyright (c) 2003, Adam Dunkels.
+ * 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. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ * This file is part of the Contiki desktop OS.
+ *
+ * $Id: shell.h,v 1.1 2006/06/07 09:43:54 adam Exp $
+ *
+ */
+#ifndef __SHELL_H__
+#define __SHELL_H__
+
+/**
+ * Initialize the shell.
+ *
+ * Called when the shell front-end process starts. This function may
+ * be used to start listening for signals.
+ */
+void shell_init(void);
+
+/**
+ * Start the shell back-end.
+ *
+ * Called by the front-end when a new shell is started.
+ */
+void shell_start(void);
+
+/**
+ * Process a shell command.
+ *
+ * This function will be called by the shell GUI / telnet server whan
+ * a command has been entered that should be processed by the shell
+ * back-end.
+ *
+ * \param command The command to be processed.
+ */
+void shell_input(char *command);
+
+/**
+ * Quit the shell.
+ *
+ */
+void shell_quit(char *);
+
+
+/**
+ * Print a string to the shell window.
+ *
+ * This function is implemented by the shell GUI / telnet server and
+ * can be called by the shell back-end to output a string in the
+ * shell window. The string is automatically appended with a linebreak.
+ *
+ * \param str1 The first half of the string to be output.
+ * \param str2 The second half of the string to be output.
+ */
+void shell_output(char *str1, char *str2);
+
+/**
+ * Print a prompt to the shell window.
+ *
+ * This function can be used by the shell back-end to print out a
+ * prompt to the shell window.
+ *
+ * \param prompt The prompt to be printed.
+ *
+ */
+void shell_prompt(char *prompt);
+
+#endif /* __SHELL_H__ */