text: /*
   * Copyright (c) 1988, 1993
   *	The Regents of the University of California.  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. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the University of
   *	California, Berkeley and its contributors.
   * 4. Neither the name of the University nor the names of its contributors
   *    may be used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
   *
   *	@(#)defines.h	8.1 (Berkeley) 6/6/93
   * $FreeBSD: soc2013/dpl/head/contrib/telnet/telnet/defines.h 87180 2001-11-30 21:06:38Z markm $
   */
  
  #define	settimer(x)	clocks.x = clocks.system++
  
  #define	NETADD(c)	{ *netoring.supply = c; ring_supplied(&netoring, 1); }
  #define	NET2ADD(c1,c2)	{ NETADD(c1); NETADD(c2); }
  #define	NETBYTES()	(ring_full_count(&netoring))
  #define	NETROOM()	(ring_empty_count(&netoring))
  
  #define	TTYADD(c)	if (!(SYNCHing||flushout)) { \
  				*ttyoring.supply = c; \
  				ring_supplied(&ttyoring, 1); \
  			}
  #define	TTYBYTES()	(ring_full_count(&ttyoring))
  #define	TTYROOM()	(ring_empty_count(&ttyoring))
  
  /*	Various modes */
  #define	MODE_LOCAL_CHARS(m)	((m)&(MODE_EDIT|MODE_TRAPSIG))
  #define	MODE_LOCAL_ECHO(m)	((m)&MODE_ECHO)
  #define	MODE_COMMAND_LINE(m)	((m)==-1)
  
  #define	CONTROL(x)	((x)&0x1f)		/* CTRL(x) is not portable */
  