BSD 4.4 Lite Usr.bin Sources

1 files changed, 61 insertions, 0 deletions

diff --git a/usr.bin/window/char.h b/usr.bin/window/char.h
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+/*
+ * 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.
+ */
+
+extern char *_unctrl[];
+extern char _cmap[];
+#define ctrl(c)		(c & 0x1f)
+#define unctrl(c)	(_unctrl[(unsigned char) (c)])
+#define _C		0x01
+#define _P		0x02
+#define _U		0x04
+#define isctrl(c)	(_cmap[(unsigned char) (c)] & _C)
+#define isprt(c)	(_cmap[(unsigned char) (c)] & _P)
+#define isunctrl(c)	(_cmap[(unsigned char) (c)] & _U)