1 /* $NetBSD: less.h,v 1.3 1998/01/09 08:03:28 perry Exp $ */ 2 3 /* 4 * Copyright (c) 1988 Mark Nudleman 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. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)less.h 8.1 (Berkeley) 6/6/93 37 */ 38 39 #define NULL_POSITION ((off_t)(-1)) 40 41 #define EOI (0) 42 #define READ_INTR (-2) 43 44 /* Special chars used to tell put_line() to do something special */ 45 #define UL_CHAR '\201' /* Enter underline mode */ 46 #define UE_CHAR '\202' /* Exit underline mode */ 47 #define BO_CHAR '\203' /* Enter boldface mode */ 48 #define BE_CHAR '\204' /* Exit boldface mode */ 49 50 #define CONTROL_CHAR(c) (iscntrl(c)) 51 #define CARAT_CHAR(c) ((c == '\177') ? '?' : (c | 0100)) 52 53 #define TOP (0) 54 #define TOP_PLUS_ONE (1) 55 #define BOTTOM (-1) 56 #define BOTTOM_PLUS_ONE (-2) 57 #define MIDDLE (-3) 58 59 #define A_INVALID -1 60 61 #define A_AGAIN_SEARCH 1 62 #define A_B_LINE 2 63 #define A_B_SCREEN 3 64 #define A_B_SCROLL 4 65 #define A_B_SEARCH 5 66 #define A_DIGIT 6 67 #define A_EXAMINE 7 68 #define A_FREPAINT 8 69 #define A_F_LINE 9 70 #define A_F_SCREEN 10 71 #define A_F_SCROLL 11 72 #define A_F_SEARCH 12 73 #define A_GOEND 13 74 #define A_GOLINE 14 75 #define A_GOMARK 15 76 #define A_HELP 16 77 #define A_NEXT_FILE 17 78 #define A_PERCENT 18 79 #define A_PREFIX 19 80 #define A_PREV_FILE 20 81 #define A_QUIT 21 82 #define A_REPAINT 22 83 #define A_SETMARK 23 84 #define A_STAT 24 85 #define A_VISUAL 25 86 #define A_TAGFILE 26 87 #define A_FILE_LIST 27 88