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84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
/* $Id: vis.h,v 1.5 2009-07-01 23:22:46 nicm Exp $ */
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/* $OpenBSD: vis.h,v 1.11 2005/08/09 19:38:31 millert Exp $ */
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/* $NetBSD: vis.h,v 1.4 1994/10/26 00:56:41 cgd Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)vis.h 5.9 (Berkeley) 4/3/91
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*/
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#ifndef _VIS_H_
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#define _VIS_H_
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/*
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* to select alternate encoding format
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*/
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#define VIS_OCTAL 0x01 /* use octal \ddd format */
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#define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropriate */
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/*
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* to alter set of characters encoded (default is to encode all
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* non-graphic except space, tab, and newline).
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*/
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#define VIS_SP 0x04 /* also encode space */
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#define VIS_TAB 0x08 /* also encode tab */
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#define VIS_NL 0x10 /* also encode newline */
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#define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL)
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#define VIS_SAFE 0x20 /* only encode "unsafe" characters */
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/*
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* other
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*/
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#define VIS_NOSLASH 0x40 /* inhibit printing '\' */
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#define VIS_GLOB 0x100 /* encode glob(3) magics and '#' */
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/*
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* unvis return codes
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*/
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#define UNVIS_VALID 1 /* character valid */
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#define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */
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#define UNVIS_NOCHAR 3 /* valid sequence, no character produced */
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#define UNVIS_SYNBAD -1 /* unrecognized escape sequence */
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#define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */
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/*
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* unvis flags
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*/
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#define UNVIS_END 1 /* no more characters */
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char *vis(char *, int, int, int);
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int strvis(char *, const char *, int);
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int strnvis(char *, const char *, size_t, int);
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int strvisx(char *, const char *, size_t, int);
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int strunvis(char *, const char *);
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int unvis(char *, char, int *, int);
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ssize_t strnunvis(char *, const char *, size_t);
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#endif /* !_VIS_H_ */
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