* Copyright (c) 1988 Mark Nudleman
* Copyright (c) 1988 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by Mark Nudleman and the University of California, Berkeley. The
* name of Mark Nudleman or the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* @(#)less.h 5.7 (Berkeley) %G%
#define NULL_POSITION ((off_t)(-1))
/* Special chars used to tell put_line() to do something special */
#define UL_CHAR '\201' /* Enter underline mode */
#define UE_CHAR '\202' /* Exit underline mode */
#define BO_CHAR '\203' /* Enter boldface mode */
#define BE_CHAR '\204' /* Exit boldface mode */
#define CONTROL_CHAR(c) (iscntrl(c))
#define CARAT_CHAR(c) ((c == '\177') ? '?' : (c | 0100))
#define BOTTOM_PLUS_ONE (-2)