xref: /netbsd-src/distrib/utils/more/less.h (revision 52275243c5beac57fd11d9a001db728ac195df24)
1 /*	$NetBSD: less.h,v 1.6 2009/01/24 13:58:21 tsutsui Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 Mark Nudelman
5  * Copyright (c) 1988, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)less.h	8.1 (Berkeley) 6/6/93
33  */
34 
35 #define	NULL_POSITION	((off_t)(-1))
36 
37 #define	EOI		(0)
38 #define	READ_INTR	(-2)
39 
40 /* Special chars used to tell put_line() to do something special */
41 #define	UL_CHAR		'\201'		/* Enter underline mode */
42 #define	UE_CHAR		'\202'		/* Exit underline mode */
43 #define	BO_CHAR		'\203'		/* Enter boldface mode */
44 #define	BE_CHAR		'\204'		/* Exit boldface mode */
45 
46 #define	CONTROL_CHAR(c)		(iscntrl((unsigned char)c))
47 #define	CARAT_CHAR(c)		((c == '\177') ? '?' : (c | 0100))
48 
49 #define	TOP		(0)
50 #define	TOP_PLUS_ONE	(1)
51 #define	BOTTOM		(-1)
52 #define	BOTTOM_PLUS_ONE	(-2)
53 #define	MIDDLE		(-3)
54 
55 #define	A_INVALID		-1
56 
57 #define	A_AGAIN_SEARCH		1
58 #define	A_B_LINE		2
59 #define	A_B_SCREEN		3
60 #define	A_B_SCROLL		4
61 #define	A_B_SEARCH		5
62 #define	A_DIGIT			6
63 #define	A_EXAMINE		7
64 #define	A_FREPAINT		8
65 #define	A_F_LINE		9
66 #define	A_F_SCREEN		10
67 #define	A_F_SCROLL		11
68 #define	A_F_SEARCH		12
69 #define	A_GOEND			13
70 #define	A_GOLINE		14
71 #define	A_GOMARK		15
72 #define	A_HELP			16
73 #define	A_NEXT_FILE		17
74 #define	A_PERCENT		18
75 #define	A_PREFIX		19
76 #define	A_PREV_FILE		20
77 #define	A_QUIT			21
78 #define	A_REPAINT		22
79 #define	A_SETMARK		23
80 #define	A_STAT			24
81 #define	A_VISUAL		25
82 #define	A_TAGFILE		26
83 #define	A_FILE_LIST		27
84