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- /* -*-C-*-
- *
- *
- * Filename : SRC:lib/curses/src/unctrl.c
- *
- * Author : Simon J Raybould. (sie@fulcrum.co.uk).
- *
- * Date : Wed Jan 20 23:24:03 1993
- *
- * Desc : converts control caracters to printable sequences of the form
- * "^A" for control-A
- *
- *
- * THIS CODE IS NOT PUBLIC DOMAIN
- * ==============================
- *
- * This code is copyright Simon J Raybould 1992, all rights are reserved.
- * All code, ideas, data structures and algorithms remain the property of the
- * author. Neither the whole nor sections of this code may be used as part
- * of other code without the authors consent. If you wish to use some of this
- * code then please email me at (sie@fulcrum.bt.co.uk).
- *
- * This source is not public domain, so you do not have any right to alter it
- * or sell it for personal gain. The source is provided purely for reference
- * purposes. You may re-compile the source with any compiler you choose.
- * You must not distribute altered copies without the authors consent. My
- * intention is that the source will help people isolate any bugs much more
- * effectively.
- *
- * Disclaimer
- * ==========
- *
- * No implication is made as to this code being fit for any purpose at all.
- * I (the author) shall not be held responsible for any loss of data or damage
- * to property that may result from its use or misuse.
- *
- *
- * Revision History
- * ================
- *
- * $Log: unctrl.c,v $
- * Revision 1.1 1993/05/17 23:33:10 sie
- * Initial revision
- *
- *
- */
-
- #ifndef lint
- static char *rcsid = "$Header: /SRC/lib/curses/src/RCS/unctrl.c,v 1.1 1993/05/17 23:33:10 sie Exp $";
- #endif /* lint */
-
-
- char *
- unctrl(char ch)
- {
- static char buf[3]; /* longest string is 2 chars + terminator */
-
- if(ch < 32) {
- buf[0] = '^';
- buf[1] = ch + '@'; /* control-@ is 0 in ASCII */
- buf[2] = '\0';
- } else {
- buf[0] = ch;
- buf[1] = '\0';
- }
- return buf;
- }
-