[unix-history] / usr / src / include / vis.h

/*
 * Copyright (c) 1989 The 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 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)vis.h	5.1 (Berkeley) %G%
 */

/*
 * cencode flags
 */
#define	CENC_CSTYLE	1	/* use C-style backslash sequences */
#define	CENC_GRAPH	2	/* encode as ^? and M- sequences */
#define	CENC_OCTAL	4	/* encode as octal sequences */
#define	CENC_ALL	(CENC_CSTYLE|CENC_GRAPH|CENC_OCTAL)
#define	CENC_WHITE	8	/* encode white-space chars (sp-tb-nl) */
#define	CENC_RACHAR	0x10	/* look at read-ahead char */

/*
 * cdecode flags
 */
#define	CDEC_HAT	1	/* treat ^ as special */
#define	CDEC_END	2	/* reset decode machine */

/*
 * cdecode return codes
 */
#define	CDEC_NEEDMORE	0	/* not done, feed another char */
#define	CDEC_OK		1	/* done, character ready */
#define	CDEC_OKPUSH	2	/* done, push back passed char */
#define	CDEC_NOCHAR	3	/* done, no character ready (hidden newline) */
#define	CDEC_SYNBAD	-1	/* unrecognized escape sequence */

extern char *cencode();
Commit	Line	Data
f8b55f57 MT	1	/*
	2	* Copyright (c) 1989 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
	6	* provided that the above copyright notice and this paragraph are
	7	* duplicated in all such forms and that any documentation,
	8	* advertising materials, and other materials related to such
	9	* distribution and use acknowledge that the software was developed
	10	* by the University of California, Berkeley. The name of the
	11	* University may not be used to endorse or promote products derived
	12	* from this software without specific prior written permission.
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	14	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	15	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
	16	*
	17	* @(#)vis.h 5.1 (Berkeley) %G%
	18	*/
	19
	20	/*
	21	* cencode flags
	22	*/
	23	#define CENC_CSTYLE 1 /* use C-style backslash sequences */
	24	#define CENC_GRAPH 2 /* encode as ^? and M- sequences */
	25	#define CENC_OCTAL 4 /* encode as octal sequences */
	26	#define CENC_ALL (CENC_CSTYLE\|CENC_GRAPH\|CENC_OCTAL)
	27	#define CENC_WHITE 8 /* encode white-space chars (sp-tb-nl) */
	28	#define CENC_RACHAR 0x10 /* look at read-ahead char */
	29
	30	/*
	31	* cdecode flags
	32	*/
	33	#define CDEC_HAT 1 /* treat ^ as special */
	34	#define CDEC_END 2 /* reset decode machine */
	35
	36	/*
	37	* cdecode return codes
	38	*/
	39	#define CDEC_NEEDMORE 0 /* not done, feed another char */
	40	#define CDEC_OK 1 /* done, character ready */
	41	#define CDEC_OKPUSH 2 /* done, push back passed char */
	42	#define CDEC_NOCHAR 3 /* done, no character ready (hidden newline) */
	43	#define CDEC_SYNBAD -1 /* unrecognized escape sequence */
	44
	45	extern char *cencode();