1 /* 2 FUNCTION 3 <<unctrl>>---get printable representation of a character 4 5 INDEX 6 unctrl 7 INDEX 8 unctrllen 9 10 SYNOPSIS 11 #include <unctrl.h> 12 char *unctrl(int <[c]>); 13 int unctrllen(int <[c]>); 14 15 DESCRIPTION 16 <<unctrl>> is a macro which returns the printable representation of <[c]> 17 as a string. 18 <<unctrllen>> is a macro which returns the length of the printable 19 representation of <[c]>. 20 21 RETURNS 22 <<unctrl>> returns a string of the printable representation of <[c]>. 23 24 <<unctrllen>> returns the length of the string which is the printable 25 representation of <[c]>. 26 27 PORTABILITY 28 <<unctrl>> and <<unctrllen>> are not ANSI C. 29 30 No supporting OS subroutines are required. 31 */ 32 33 /* 34 * Copyright (c) 1981, 1993 35 * The Regents of the University of California. All rights reserved. 36 * 37 * Redistribution and use in source and binary forms, with or without 38 * modification, are permitted provided that the following conditions 39 * are met: 40 * 1. Redistributions of source code must retain the above copyright 41 * notice, this list of conditions and the following disclaimer. 42 * 2. Redistributions in binary form must reproduce the above copyright 43 * notice, this list of conditions and the following disclaimer in the 44 * documentation and/or other materials provided with the distribution. 45 * 3. Neither the name of the University nor the names of its contributors 46 * may be used to endorse or promote products derived from this software 47 * without specific prior written permission. 48 * 49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 59 * SUCH DAMAGE. 60 */ 61 62 #include <_ansi.h> 63 64 #if defined(LIBC_SCCS) && !defined(lint) 65 static char sccsid[] = "@(#)unctrl.c 8.1 (Berkeley) 6/4/93"; 66 #endif /* LIBC_SCCS and not lint */ 67 68 const char * const __unctrl[256] = { 69 "^@", "^A", "^B", "^C", "^D", "^E", "^F", "^G", 70 "^H", "^I", "^J", "^K", "^L", "^M", "^N", "^O", 71 "^P", "^Q", "^R", "^S", "^T", "^U", "^V", "^W", 72 "^X", "^Y", "^Z", "^[", "^\\", "^]", "^~", "^_", 73 " ", "!", "\"", "#", "$", "%", "&", "'", 74 "(", ")", "*", "+", ",", "-", ".", "/", 75 "0", "1", "2", "3", "4", "5", "6", "7", 76 "8", "9", ":", ";", "<", "=", ">", "?", 77 "@", "A", "B", "C", "D", "E", "F", "G", 78 "H", "I", "J", "K", "L", "M", "N", "O", 79 "P", "Q", "R", "S", "T", "U", "V", "W", 80 "X", "Y", "Z", "[", "\\", "]", "^", "_", 81 "`", "a", "b", "c", "d", "e", "f", "g", 82 "h", "i", "j", "k", "l", "m", "n", "o", 83 "p", "q", "r", "s", "t", "u", "v", "w", 84 "x", "y", "z", "{", "|", "}", "~", "^?", 85 86 "0x80", "0x81", "0x82", "0x83", "0x84", "0x85", "0x86", "0x87", 87 "0x88", "0x89", "0x8a", "0x8b", "0x8c", "0x8d", "0x8e", "0x8f", 88 "0x90", "0x91", "0x92", "0x93", "0x94", "0x95", "0x96", "0x97", 89 "0x98", "0x99", "0x9a", "0x9b", "0x9c", "0x9d", "0x9e", "0x9f", 90 "0xa0", "0xa1", "0xa2", "0xa3", "0xa4", "0xa5", "0xa6", "0xa7", 91 "0xa8", "0xa9", "0xaa", "0xab", "0xac", "0xad", "0xae", "0xaf", 92 "0xb0", "0xb1", "0xb2", "0xb3", "0xb4", "0xb5", "0xb6", "0xb7", 93 "0xb8", "0xb9", "0xba", "0xbb", "0xbc", "0xbd", "0xbe", "0xbf", 94 "0xc0", "0xc1", "0xc2", "0xc3", "0xc4", "0xc5", "0xc6", "0xc7", 95 "0xc8", "0xc9", "0xca", "0xcb", "0xcc", "0xcd", "0xce", "0xcf", 96 "0xd0", "0xd1", "0xd2", "0xd3", "0xd4", "0xd5", "0xd6", "0xd7", 97 "0xd8", "0xd9", "0xda", "0xdb", "0xdc", "0xdd", "0xde", "0xdf", 98 "0xe0", "0xe1", "0xe2", "0xe3", "0xe4", "0xe5", "0xe6", "0xe7", 99 "0xe8", "0xe9", "0xea", "0xeb", "0xec", "0xed", "0xee", "0xef", 100 "0xf0", "0xf1", "0xf2", "0xf3", "0xf4", "0xf5", "0xf6", "0xf7", 101 "0xf8", "0xf9", "0xfa", "0xfb", "0xfc", "0xfd", "0xfe", "0xff", 102 }; 103 104 const char __unctrllen[256] = { 105 2, 2, 2, 2, 2, 2, 2, 2, 106 2, 2, 2, 2, 2, 2, 2, 2, 107 2, 2, 2, 2, 2, 2, 2, 2, 108 2, 2, 2, 2, 2, 2, 2, 2, 109 1, 1, 1, 1, 1, 1, 1, 1, 110 1, 1, 1, 1, 1, 1, 1, 1, 111 1, 1, 1, 1, 1, 1, 1, 1, 112 1, 1, 1, 1, 1, 1, 1, 1, 113 1, 1, 1, 1, 1, 1, 1, 1, 114 1, 1, 1, 1, 1, 1, 1, 1, 115 1, 1, 1, 1, 1, 1, 1, 1, 116 1, 1, 1, 1, 1, 1, 1, 1, 117 1, 1, 1, 1, 1, 1, 1, 1, 118 1, 1, 1, 1, 1, 1, 1, 1, 119 1, 1, 1, 1, 1, 1, 1, 1, 120 1, 1, 1, 1, 1, 1, 1, 2, 121 4, 4, 4, 4, 4, 4, 4, 4, 122 4, 4, 4, 4, 4, 4, 4, 4, 123 4, 4, 4, 4, 4, 4, 4, 4, 124 4, 4, 4, 4, 4, 4, 4, 4, 125 4, 4, 4, 4, 4, 4, 4, 4, 126 4, 4, 4, 4, 4, 4, 4, 4, 127 4, 4, 4, 4, 4, 4, 4, 4, 128 4, 4, 4, 4, 4, 4, 4, 4, 129 4, 4, 4, 4, 4, 4, 4, 4, 130 4, 4, 4, 4, 4, 4, 4, 4, 131 4, 4, 4, 4, 4, 4, 4, 4, 132 4, 4, 4, 4, 4, 4, 4, 4, 133 4, 4, 4, 4, 4, 4, 4, 4, 134 4, 4, 4, 4, 4, 4, 4, 4, 135 4, 4, 4, 4, 4, 4, 4, 4, 136 4, 4, 4, 4, 4, 4, 4, 4, 137 }; 138