usr/src/include/vis.h

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)vis.h	5.7 (Berkeley) %G%
 */

/*
 * to select alternate encoding format
 */
#define	VIS_OCTAL	0x01	/* use octal \ddd format */
#define	VIS_CSTYLE	0x02	/* use \[nrft0..] where appropiate */

/*
 * to alter set of characters encoded (default is to encode all
 * non-graphic except space, tab, and newline).
 */
#define	VIS_SP		0x04	/* also encode space */
#define	VIS_TAB		0x08	/* also encode tab */
#define	VIS_NL		0x10	/* also encode newline */
#define	VIS_WHITE	(VIS_SP | VIS_TAB | VIS_NL)
#define	VIS_SAFE	0x20	/* only encode "unsafe" characters */

/*
 * other
 */
#define	VIS_NOSLASH	0x40	/* inhibit printing '\' */

/*
 * unvis return codes
 */
#define	UNVIS_VALID	 1	/* character valid */
#define	UNVIS_VALIDPUSH	 2	/* character valid, push back passed char */
#define	UNVIS_NOCHAR	 3	/* valid sequence, no character produced */
#define	UNVIS_SYNBAD	-1	/* unrecognized escape sequence */
#define	UNVIS_ERROR	-2	/* decoder in unknown state (unrecoverable) */

/*
 * unvis flags
 */
#define	UNVIS_END	1	/* no more characters */

#include <sys/cdefs.h>

__BEGIN_DECLS
char	*vis __P((char *, char, int, char));
int	strvis __P((char *, const char *, int));
int	strvisx __P((char *, const char *, size_t, int));
int	strunvis __P((char *, const char *));
int	unvis __P((u_char *, u_char, int *, int));
__END_DECLS
Commit	Line	Data
	1	/*-
	2	* Copyright (c) 1990 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* %sccs.include.redist.c%
	6	*
	7	* @(#)vis.h 5.7 (Berkeley) %G%
	8	*/
	9
	10	/*
	11	* to select alternate encoding format
	12	*/
	13	#define VIS_OCTAL 0x01 /* use octal \ddd format */
	14	#define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropiate */
	15
	16	/*
	17	* to alter set of characters encoded (default is to encode all
	18	* non-graphic except space, tab, and newline).
	19	*/
	20	#define VIS_SP 0x04 /* also encode space */
	21	#define VIS_TAB 0x08 /* also encode tab */
	22	#define VIS_NL 0x10 /* also encode newline */
	23	#define VIS_WHITE (VIS_SP \| VIS_TAB \| VIS_NL)
	24	#define VIS_SAFE 0x20 /* only encode "unsafe" characters */
	25
	26	/*
	27	* other
	28	*/
	29	#define VIS_NOSLASH 0x40 /* inhibit printing '\' */
	30
	31	/*
	32	* unvis return codes
	33	*/
	34	#define UNVIS_VALID 1 /* character valid */
	35	#define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */
	36	#define UNVIS_NOCHAR 3 /* valid sequence, no character produced */
	37	#define UNVIS_SYNBAD -1 /* unrecognized escape sequence */
	38	#define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */
	39
	40	/*
	41	* unvis flags
	42	*/
	43	#define UNVIS_END 1 /* no more characters */
	44
	45	#include <sys/cdefs.h>
	46
	47	__BEGIN_DECLS
	48	char vis __P((char , char, int, char));
	49	int strvis __P((char , const char , int));
	50	int strvisx __P((char , const char , size_t, int));
	51	int strunvis __P((char , const char ));
	52	int unvis __P((u_char , u_char, int , int));
	53	__END_DECLS