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/****************************************************************************
* netutils/telnetd/shell.h
* Interface for the Contiki shell.
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Based on uIP which also has a BSD style license:
*
* Author: Adam Dunkels <adam@dunkels.com>
* 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.
*
****************************************************************************/
/* 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.
*/
#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 *handle);
/* Start the shell back-end.
*
* Called by the front-end when a new shell is started.
*/
void shell_start(void *handle);
/* 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.
*
* command The command to be processed.
*/
void shell_input(void *handle, char *command);
/* Quit the shell. */
void shell_quit(void *handle, 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.
*/
void shell_output(void *handle, const char *fmt, ...);
/* 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.
*
*/
void shell_prompt(void *handle, char *prompt);
#endif /* __SHELL_H__ */
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