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Annotation of src/include/vis.h, Revision 1.1

1.1     ! deraadt     1: /*     $NetBSD: vis.h,v 1.4 1994/10/26 00:56:41 cgd Exp $      */
        !             2:
        !             3: /*-
        !             4:  * Copyright (c) 1990 The Regents of the University of California.
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  * 3. All advertising materials mentioning features or use of this software
        !            16:  *    must display the following acknowledgement:
        !            17:  *     This product includes software developed by the University of
        !            18:  *     California, Berkeley and its contributors.
        !            19:  * 4. Neither the name of the University nor the names of its contributors
        !            20:  *    may be used to endorse or promote products derived from this software
        !            21:  *    without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            33:  * SUCH DAMAGE.
        !            34:  *
        !            35:  *     @(#)vis.h       5.9 (Berkeley) 4/3/91
        !            36:  */
        !            37:
        !            38: #ifndef _VIS_H_
        !            39: #define        _VIS_H_
        !            40:
        !            41: /*
        !            42:  * to select alternate encoding format
        !            43:  */
        !            44: #define        VIS_OCTAL       0x01    /* use octal \ddd format */
        !            45: #define        VIS_CSTYLE      0x02    /* use \[nrft0..] where appropiate */
        !            46:
        !            47: /*
        !            48:  * to alter set of characters encoded (default is to encode all
        !            49:  * non-graphic except space, tab, and newline).
        !            50:  */
        !            51: #define        VIS_SP          0x04    /* also encode space */
        !            52: #define        VIS_TAB         0x08    /* also encode tab */
        !            53: #define        VIS_NL          0x10    /* also encode newline */
        !            54: #define        VIS_WHITE       (VIS_SP | VIS_TAB | VIS_NL)
        !            55: #define        VIS_SAFE        0x20    /* only encode "unsafe" characters */
        !            56:
        !            57: /*
        !            58:  * other
        !            59:  */
        !            60: #define        VIS_NOSLASH     0x40    /* inhibit printing '\' */
        !            61:
        !            62: /*
        !            63:  * unvis return codes
        !            64:  */
        !            65: #define        UNVIS_VALID      1      /* character valid */
        !            66: #define        UNVIS_VALIDPUSH  2      /* character valid, push back passed char */
        !            67: #define        UNVIS_NOCHAR     3      /* valid sequence, no character produced */
        !            68: #define        UNVIS_SYNBAD    -1      /* unrecognized escape sequence */
        !            69: #define        UNVIS_ERROR     -2      /* decoder in unknown state (unrecoverable) */
        !            70:
        !            71: /*
        !            72:  * unvis flags
        !            73:  */
        !            74: #define        UNVIS_END       1       /* no more characters */
        !            75:
        !            76: #include <sys/cdefs.h>
        !            77:
        !            78: __BEGIN_DECLS
        !            79: char   *vis __P((char *, int, int, int));
        !            80: int    strvis __P((char *, const char *, int));
        !            81: int    strvisx __P((char *, const char *, size_t, int));
        !            82: int    strunvis __P((char *, const char *));
        !            83: int    unvis __P((char *, char, int *, int));
        !            84: __END_DECLS
        !            85:
        !            86: #endif /* !_VIS_H_ */