1 /* $NetBSD: vis.h,v 1.11 1999/11/25 16:55:50 wennmach Exp $ */
2 /* $Id: vis.hin,v 1.1 2000/12/06 21:35:47 joda Exp $ */
5 * Copyright (c) 1990, 1993
6 * The Regents of the University of California. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
36 * @(#)vis.h 8.1 (Berkeley) 6/2/93
43 * to select alternate encoding format
45 #define VIS_OCTAL 0x01 /* use octal \ddd format */
46 #define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropiate */
49 * to alter set of characters encoded (default is to encode all
50 * non-graphic except space, tab, and newline).
52 #define VIS_SP 0x04 /* also encode space */
53 #define VIS_TAB 0x08 /* also encode tab */
54 #define VIS_NL 0x10 /* also encode newline */
55 #define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL)
56 #define VIS_SAFE 0x20 /* only encode "unsafe" characters */
61 #define VIS_NOSLASH 0x40 /* inhibit printing '\' */
66 #define UNVIS_VALID 1 /* character valid */
67 #define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */
68 #define UNVIS_NOCHAR 3 /* valid sequence, no character produced */
69 #define UNVIS_SYNBAD -1 /* unrecognized escape sequence */
70 #define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */
75 #define UNVIS_END 1 /* no more characters */
77 char *vis (char *, int, int, int);
78 char *svis (char *, int, int, int, const char *);
79 int strvis (char *, const char *, int);
80 int strsvis (char *, const char *, int, const char *);
81 int strvisx (char *, const char *, size_t, int);
82 int strsvisx (char *, const char *, size_t, int, const char *);
83 int strunvis (char *, const char *);
84 int unvis (char *, int, int *, int);