Annotation of src/usr.bin/window/char.h, Revision 1.6
1.6 ! millert 1: /* $OpenBSD: char.h,v 1.5 2000/04/15 05:22:14 millert Exp $ */
1.1 deraadt 2: /* $NetBSD: char.h,v 1.3 1995/09/28 10:34:01 tls Exp $ */
3:
4: /*
5: * Copyright (c) 1983, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * This code is derived from software contributed to Berkeley by
9: * Edward Wang at The University of California, Berkeley.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
1.6 ! millert 19: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
35: * @(#)char.h 8.1 (Berkeley) 6/6/93
36: */
37:
38: /*
39: * Macros and things to deal with control characters.
40: *
41: * Isctrl() returns true for all characters less than space and
42: * greater than or equal to delete.
43: * Isprt() is tab and all characters not isctrl(). It's used
44: * by wwwrite().
45: * Isunctrl() includes all characters that should be expanded
46: * using unctrl() by wwwrite() if ww_unctrl is set.
47: */
1.4 millert 48: #include <curses.h>
1.5 millert 49: #if defined(TERMINFO) || defined(NCURSES_VERSION)
50: #include <term.h>
51: #endif
1.1 deraadt 52:
53: extern char _cmap[];
54: #define ctrl(c) (c & 0x1f)
55: #define _C 0x01
56: #define _P 0x02
57: #define _U 0x04
58: #define isctrl(c) (_cmap[(unsigned char) (c)] & _C)
59: #define isprt(c) (_cmap[(unsigned char) (c)] & _P)
60: #define isunctrl(c) (_cmap[(unsigned char) (c)] & _U)