telnet.h

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/* ES40 emulator.
 * Copyright (C) 2007-2008 by the ES40 Emulator Project
 *
 * WWW    : http://sourceforge.net/projects/es40
 * E-mail : camiel@camicom.com
 * 
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * 
 * Although this is not required, the author would appreciate being notified of, 
 * and receiving any modifications you may make to the source code that might serve
 * the general public.
 */

#if !defined(INCLUDED_TELNET_H)
#define INCLUDED_TELNET_H

#if defined(HAVE_WINSOCK2_H)
#include <winsock2.h>
#endif

#if defined(HAVE_WS2TCPIP_H)
#include <ws2tcpip.h>
#endif

#if defined(HAVE_SYS_SOCKET_H)
#include <sys/socket.h>
#endif

#if defined(HAVE_SOCKET_H)
#include <socket.h>
#endif

#if defined(HAVE_IN_H)
#include <in.h>
#endif

#if defined(HAVE_INET_H)
#include <inet.h>
#endif

#if defined(HAVE_ARPA_INET_H)
#include <arpa/inet.h>
#endif

#if defined(HAVE_ARPA_TELNET_H)
#include <arpa/telnet.h>
#endif

#if defined(HAVE_NETINET_IN_H)
#include <netinet/in.h>
#endif

#if defined(HAVE_SYS_SELECT_H)
#include <sys/select.h>
#endif

#if defined(HAVE_ERRNO_H)
#include <errno.h>
#endif

#if defined(HAVE_FCNTL_H)
#include <fcntl.h>
#endif

#if defined(HAVE_SIGNAL_H)
#include <signal.h>
#endif

#if defined(_WIN32) && !defined(__GNUWIN32__)
typedef size_t        ssize_t;
typedef int           socklen_t;
#endif // _WIN32

#if defined(__VMS)
#define INVALID_SOCKET  - 1
typedef unsigned int  socklen_t;
#endif // __VMS

#if defined(_WIN32) || defined(__VMS)
#define IAC           255 /* interpret as command: */
#define DONT          254 /* you are not to use option */
#define DO            253 /* please, you use option */
#define WONT          252 /* I won't use option */
#define WILL          251 /* I will use option */
#define SB            250 /* interpret as subnegotiation */
#define GA            249 /* you may reverse the line */
#define EL            248 /* erase the current line */
#define EC            247 /* erase the current character */
#define AYT           246 /* are you there */
#define AO            245 /* abort output--but let prog finish */
#define IP            244 /* interrupt process--permanently */
#define BREAK         243 /* break */
#define DM            242 /* data mark--for connect. cleaning */
#define NOP           241 /* nop */
#define SE            240 /* end sub negotiation */
#define EOR           239 /* end of record (transparent mode) */
#define ABORT         238 /* Abort process */
#define SUSP          237 /* Suspend process */
#define xEOF          236 /* End of file: EOF is already used... */

#define SYNCH         242 /* for telfunc calls */
#define TELOPT_ECHO   1   /* echo */
#define TELOPT_SGA    3   /* suppress go ahead */
#define TELOPT_NAWS   31  /* window size */
#define TELOPT_LFLOW  33  /* remote flow control */

#else // defined(_WIN32) || defined(__VMS)
#define INVALID_SOCKET  1
#endif // defined (_WIN32) || defined(__VMS)

/* inet_aton -- Emulate BSD inet_aton via inet_addr.
   *
   * Useful on systems that don't have inet_aton, such as Solaris,
   * to let your code use the better inet_aton interface and use autoconf
   * and AC_REPLACE_FUNCS([inet_aton]).
   *
   * Copyright (C) 2003 Matthias Andree <matthias.andree@gmx.de>
   */
#if !defined(HAVE_INET_ATON)
inline int inet_aton(const char* name, struct in_addr* addr)
{
  unsigned long a = inet_addr(name);
  addr->s_addr = a;
  return a != (unsigned int) -1;
}
#endif
#endif // !defined(INCLUDED_TELNET_H)

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