2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright (c) 1996-1998 by Sun Microsystems, Inc.
2N/A * All rights reserved.
2N/A */
2N/A
2N/A#pragma ident "%Z%%M% %I% %E% SMI"
2N/A
2N/A/*
2N/A * m_ord.h
2N/A *
2N/A * Copyright 1986, 1992 by Mortice Kern Systems Inc. All rights reserved.
2N/A *
2N/A * $Header: /rd/h/rcs/m_ord.h 1.15 1994/05/29 16:17:02 mark Exp $
2N/A */
2N/A
2N/A#ifndef __M_M_ORD_H__
2N/A#define __M_M_ORD_H__
2N/A
2N/A#ifndef UCHAR_MAX
2N/A#include <limits.h>
2N/A#endif
2N/A
2N/A/*
2N/A * Used with CURSES in order to decern whether or not 'x' is a byte
2N/A * or a KEY_xxxx macro, which are defined to be values greater than
2N/A * UCHAR_MAX.
2N/A */
2N/A#define m_ischarset(x) ((unsigned)(x) <= UCHAR_MAX)
2N/A
2N/A/* ASCII based macros */
2N/A/*
2N/A * m_ord(c) : convert alpha character(case insensitive) to an an ordinal value.
2N/A * if c is an alphabetic character (A-Z,a-z), this returns
2N/A * a number between 1 and 26
2N/A * m_chr(i) : convert an ordinal value to its corresponding alpha character
2N/A * using the reverse mapping as m_ord().
2N/A * if i is a number between 1 and 26 it returns the corresponding
2N/A * alphabetic character A to Z
2N/A */
2N/A#include <ctype.h>
2N/A
2N/A#define m_ord(c) \
2N/A ((m_ischarset(c) && ('A' <= toupper(c) && toupper(c) <= 'Z')) ? \
2N/A (toupper(c) - '@') : -1)
2N/A#define m_chr(c) ((1 <= c && c <= 26) ? (c + '@') : -1)
2N/A
2N/A#endif /* __M_M_ORD_H__ */