1994-05-27 12:33:43 +00:00
|
|
|
/*
|
|
|
|
|
* Copyright (c) 1983, 1993
|
|
|
|
|
* The Regents of the University of California. All rights reserved.
|
|
|
|
|
*
|
|
|
|
|
* This code is derived from software contributed to Berkeley by
|
|
|
|
|
* Edward Wang at The University of California, Berkeley.
|
|
|
|
|
*
|
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
|
* are met:
|
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
|
|
|
* must display the following acknowledgement:
|
|
|
|
|
* This product includes software developed by the University of
|
|
|
|
|
* California, Berkeley and its contributors.
|
|
|
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
|
|
|
* may be used to endorse or promote products derived from this software
|
|
|
|
|
* without specific prior written permission.
|
|
|
|
|
*
|
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
|
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
|
* SUCH DAMAGE.
|
|
|
|
|
*
|
|
|
|
|
* @(#)char.h 8.1 (Berkeley) 6/6/93
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Macros and things to deal with control characters.
|
|
|
|
|
*
|
|
|
|
|
* Unctrl() is just like the standard function, except we don't want
|
|
|
|
|
* to include curses.
|
|
|
|
|
* Isctrl() returns true for all characters less than space and
|
|
|
|
|
* greater than or equal to delete.
|
|
|
|
|
* Isprt() is tab and all characters not isctrl(). It's used
|
|
|
|
|
* by wwwrite().
|
|
|
|
|
* Isunctrl() includes all characters that should be expanded
|
|
|
|
|
* using unctrl() by wwwrite() if ww_unctrl is set.
|
|
|
|
|
*/
|
|
|
|
|
|
1994-10-30 03:09:58 +00:00
|
|
|
#include <ctype.h>
|
|
|
|
|
#include <string.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
|
1994-05-27 12:33:43 +00:00
|
|
|
extern char *_unctrl[];
|
|
|
|
|
#define ctrl(c) (c & 0x1f)
|
|
|
|
|
#define unctrl(c) (_unctrl[(unsigned char) (c)])
|
1994-10-30 03:09:58 +00:00
|
|
|
#define isctrl(c) iscntrl((unsigned char)(c))
|
|
|
|
|
#define isprt(c) isprint((unsigned char)(c))
|
|
|
|
|
#define isunctrl(c) (strchr("\b\t\n\r", (c)) == NULL && isctrl(c))
|
