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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1998 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef UCS2_H
#define UCS2_H
#include <sys/types.h>
#include <sys/isa_defs.h>
#include "gentypes.h"
#define UCS2_NBYTE 2
#define UCS2_MAXVAL 0xfffd
#define valid_ucs2_value(n) (_valid_ucs2_value(n))
#define room_for_ucs2_cnv(p1,p2) (((p1)+sizeof(ucs2_t))<=(p2))
#define no_room_for_ucs2_cnv(p1,p2) (((p1)+sizeof(ucs2_t))>(p2))
#define incomplete_ucs2_seq(p1,p2) (((p1)+sizeof(ucs2_t))>(p2))
#define next_ucs2_ptr(p) (((uchar_t*)(p))+sizeof(ucs2_t))
#define ext_ucs2_lsb(n) ((uchar_t)(((ucs2_t)(n))&((ucs2_t)0x00ff)))
#define ext_ucs2_msb(n) ((uchar_t)(((((ucs2_t)(n))&((ucs2_t)0xff00)))>>8))
#define get_ucs2_word(p) (*((ucs2_t*)(p)))
#define set_ucs2_word(p,n) ((*((ucs2_t*)(p)))=(n))
#if defined(_BIG_ENDIAN)
#define get_ucs2_word_BB(p) \
(((ucs2_t)((*(p))<<8))|((ucs2_t)(*((p)+1))))
#define set_ucs2_word_BB(p,n) \
(((*(p))=ext_ucs2_msb(n)),((*((p)+1))=ext_ucs2_lsb(n)))
#else
#define get_ucs2_word_BB(p) \
(((ucs2_t)(((*((p)+1)))<<8))|((ucs2_t)(*(p))))
#define set_ucs2_word_BB(p,n) \
((*((p)+1))=ext_ucs2_msb(n),(*(p))=ext_ucs2_lsb(n))
#endif
int _valid_ucs2_value(ucs4_t);
#endif
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