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Annotation of 43BSDReno/include/vis.h, revision 1.1.1.1

1.1       root        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 are permitted provided
                      6:  * that: (1) source distributions retain this entire copyright notice and
                      7:  * comment, and (2) distributions including binaries display the following
                      8:  * acknowledgement:  ``This product includes software developed by the
                      9:  * University of California, Berkeley and its contributors'' in the
                     10:  * documentation or other materials provided with the distribution and in
                     11:  * all advertising materials mentioning features or use of this software.
                     12:  * Neither the name of the University nor the names of its contributors may
                     13:  * be used to endorse or promote products derived from this software without
                     14:  * specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
                     16:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
                     17:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  *
                     19:  *     @(#)vis.h       5.4 (Berkeley) 6/26/90
                     20:  */
                     21: 
                     22: /*
                     23:  * to select alternate encoding format
                     24:  */
                     25: #define        VIS_OCTAL       0x01    /* use octal \ddd format */
                     26: #define        VIS_CSTYLE      0x02    /* use \[nrft0..] where appropiate */
                     27: 
                     28: /*
                     29:  * to alter set of characters encoded (default is to encode all
                     30:  * non-graphic except space, tab, and newline).
                     31:  */
                     32: #define        VIS_SP          0x04    /* also encode space */
                     33: #define        VIS_TAB         0x08    /* also encode tab */
                     34: #define        VIS_NL          0x10    /* also encode newline */
                     35: #define        VIS_WHITE       (VIS_SP | VIS_TAB | VIS_NL)
                     36: #define        VIS_SAFE        0x20    /* only encode "unsafe" characters */
                     37: 
                     38: /*
                     39:  * other
                     40:  */
                     41: #define        VIS_NOSLASH     0x40    /* inhibit printing '\' */
                     42: 
                     43: /*
                     44:  * unvis return codes
                     45:  */
                     46: #define        UNVIS_VALID      1      /* character valid */
                     47: #define        UNVIS_VALIDPUSH  2      /* character valid, push back passed char */
                     48: #define        UNVIS_NOCHAR     3      /* valid sequence, no character produced */
                     49: #define        UNVIS_SYNBAD    -1      /* unrecognized escape sequence */
                     50: #define        UNVIS_ERROR     -2      /* decoder in unknown state (unrecoverable) */
                     51: 
                     52: /*
                     53:  * unvis flags
                     54:  */
                     55: #define        UNVIS_END       1       /* no more characters */
                     56: 
                     57: #if __STDC__ || c_plusplus
                     58: char *vis(char *, char, char, int);
                     59: int   strvis(char *, const char *, int);
                     60: int   strvisx(char *, const char *, size_t, int);
                     61: #else
                     62: char *vis();
                     63: int   strvis();
                     64: int   strvisx();
                     65: #endif

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