1 /*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * from: @(#)vis.h 5.9 (Berkeley) 4/3/91 34 * $Id: vis.h,v 1.3 1993/08/03 21:53:59 mycroft Exp $ 35 */ 36 37 #ifndef _VIS_H_ 38 #define _VIS_H_ 39 40 /* 41 * to select alternate encoding format 42 */ 43 #define VIS_OCTAL 0x01 /* use octal \ddd format */ 44 #define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropiate */ 45 46 /* 47 * to alter set of characters encoded (default is to encode all 48 * non-graphic except space, tab, and newline). 49 */ 50 #define VIS_SP 0x04 /* also encode space */ 51 #define VIS_TAB 0x08 /* also encode tab */ 52 #define VIS_NL 0x10 /* also encode newline */ 53 #define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL) 54 #define VIS_SAFE 0x20 /* only encode "unsafe" characters */ 55 56 /* 57 * other 58 */ 59 #define VIS_NOSLASH 0x40 /* inhibit printing '\' */ 60 61 /* 62 * unvis return codes 63 */ 64 #define UNVIS_VALID 1 /* character valid */ 65 #define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */ 66 #define UNVIS_NOCHAR 3 /* valid sequence, no character produced */ 67 #define UNVIS_SYNBAD -1 /* unrecognized escape sequence */ 68 #define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */ 69 70 /* 71 * unvis flags 72 */ 73 #define UNVIS_END 1 /* no more characters */ 74 75 #include <sys/cdefs.h> 76 77 __BEGIN_DECLS 78 char *vis __P((char *, int, int, int)); 79 int strvis __P((char *, const char *, int)); 80 int strvisx __P((char *, const char *, size_t, int)); 81 int strunvis __P((char *, const char *)); 82 int unvis __P((char *, char, int *, int)); 83 __END_DECLS 84 85 #endif /* !_VIS_H_ */ 86