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crssrc16
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unctrl.c
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C/C++ Source or Header
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1993-07-29
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/*
* ++jrb, turn it into a fn
*/
static char ret[3] = { '\0', '\0', '\0' };
char *unctrl(ch)
int ch;
{
int c = ch & 0377; /* Note 8bit chars get mapped to themselves */
if((c < ' ') || (c == 0177))
{
ret[0] = '^';
ret[1] = (c == 0177) ? '?' : c | 0100;
}
else
{
ret[0] = c;
ret[1] = '\0';
}
return ret;
}
#if 0
/*
* Copyright (c) 1981 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef lint
static char sccsid[] = "@(#)unctrl.c 5.3 (Berkeley) 6/30/88";
#endif /* not lint */
/*
* define unctrl codes for each character
*
*/
/* LINTLIBRARY */
char *_unctrl[] = { /* unctrl codes for ttys */
"^@", "^A", "^B", "^C", "^D", "^E", "^F", "^G", "^H", "^I", "^J", "^K",
"^L", "^M", "^N", "^O", "^P", "^Q", "^R", "^S", "^T", "^U", "^V", "^W",
"^X", "^Y", "^Z", "^[", "^\\", "^]", "^~", "^_",
" ", "!", "\"", "#", "$", "%", "&", "'", "(", ")", "*", "+", ",", "-",
".", "/", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ":", ";",
"<", "=", ">", "?", "@", "A", "B", "C", "D", "E", "F", "G", "H", "I",
"J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W",
"X", "Y", "Z", "[", "\\", "]", "^", "_", "`", "a", "b", "c", "d", "e",
"f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s",
"t", "u", "v", "w", "x", "y", "z", "{", "|", "}", "~", "^?"
};
#endif