telnet.h

上一个上传的有问题,这个是好的。visopsys包括系统内核和GUI的全部SOURCE code ,还包括一些基本的docs文档。里面src子目录对应所有SOURCE code.对于想研究操作系统的朋

// 
//  Visopsys
//  Copyright (C) 1998-2007 J. Andrew McLaughlin
//  
//  This library is free software; you can redistribute it and/or modify it
//  under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation; either version 2.1 of the License, or (at
//  your option) any later version.
//
//  This library 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 Lesser
//  General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public License
//  along with this library; if not, write to the Free Software Foundation,
//  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
//  telnet.h
//

// This file contains definitions and structures for using the telnet protocol
// in Visopsys.

#if !defined(_TELNET_H)

// Telnet commands
#define TELNET_COMMAND_SE     240  // End of subnegotiation parameters.
#define TELNET_COMMAND_NOP    241  // No operation
#define TELNET_COMMAND_DM     242  // Data mark.
#define TELNET_COMMAND_BRK    243  // Break.
#define TELNET_COMMAND_IP     244  // Suspend, interrupt or abort the process
#define TELNET_COMMAND_AO     245  // Abort output.
#define TELNET_COMMAND_AYT    246  // Are you there.
#define TELNET_COMMAND_EC     247  // Erase character.
#define TELNET_COMMAND_EL     248  // Erase line.
#define TELNET_COMMAND_GA     249  // Go ahead.
#define TELNET_COMMAND_GSB    250  // Subnegotiation of the indicated option
#define TELNET_COMMAND_WILL   251  // Indicates the desire to begin performing,
                                   // or confirmation that you are now
                                   // performing, the indicated option.
#define TELNET_COMMAND_WONT   252  // Indicates the refusal to perform, or
                                   // continue performing, the indicated option
#define TELNET_COMMAND_DO     253  // Indicates the request that the other
                                   // party perform, or confirmation that you
                                   // are expecting the other party to perform,
                                   // the indicated option.
#define TELNET_COMMAND_DONT   254  // Indicates the demand that the other party
                                   // stop performing, or confirmation that you
                                   // are no longer expecting the other party
                                   // to perform, the indicated option.
#define TELNET_COMMAND_IAC    255  // Interpret as command

// Telnet option codes
#define TELNET_OPTION_ECHO    1    // echo: RFC 857
#define TELNET_OPTION_SUPGA   3	   // suppress go ahead: RFC 858
#define TELNET_OPTION_STATUS  5    // status: RFC 859
#define TELNET_OPTION_TMARK   6    // timing mark: RFC 860
#define TELNET_OPTION_TTYPE   24   // terminal type: RFC 1091
#define TELNET_OPTION_WINSZ   31   // window size: RFC 1073
#define TELNET_OPTION_TSPEED  32   // terminal speed: RFC 1079
#define TELNET_OPTION_REMFC   33   // remote flow control: RFC 1372
#define TELNET_OPTION_LMODE   34   // linemode: RFC 1184
#define TELNET_OPTION_ENVAR   36   // environment variables: RFC 1408
#define TELNET_OPTION_ENVOPT  39   // environment variables: RFC 1572

#define _TELNET_H
#endif