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 $ */ 3 4/*- 5 * Copyright (c) 1990, 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 * @(#)vis.h 8.1 (Berkeley) 6/2/93 37 */ 38 39#ifndef _VIS_H_ 40#define _VIS_H_ 41 42/* 43 * to select alternate encoding format 44 */ 45#define VIS_OCTAL 0x01 /* use octal \ddd format */ 46#define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropiate */ 47 48/* 49 * to alter set of characters encoded (default is to encode all 50 * non-graphic except space, tab, and newline). 51 */ 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 */ 57 58/* 59 * other 60 */ 61#define VIS_NOSLASH 0x40 /* inhibit printing '\' */ 62 63/* 64 * unvis return codes 65 */ 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) */ 71 72/* 73 * unvis flags 74 */ 75#define UNVIS_END 1 /* no more characters */ 76 77char *vis (char *, int, int, int); 78char *svis (char *, int, int, int, const char *); 79int strvis (char *, const char *, int); 80int strsvis (char *, const char *, int, const char *); 81int strvisx (char *, const char *, size_t, int); 82int strsvisx (char *, const char *, size_t, int, const char *); 83int strunvis (char *, const char *); 84int unvis (char *, int, int *, int); 85 86#endif /* !_VIS_H_ */ 87