distrib/utils/more/less.h

   1 /*      $NetBSD: less.h,v 1.5 2003/10/13 14:34:25 agc 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