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/*
* BRLTTY - A background process providing access to the console screen (when in
* text mode) for a blind person using a refreshable braille display.
*
* Copyright (C) 1995-2010 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU General Public License, as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any
* later version. Please see the file LICENSE-GPL for details.
*
* Web Page: http://mielke.cc/brltty/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#ifndef BRLTTY_INCLUDED_DATAAREA
#define BRLTTY_INCLUDED_DATAAREA
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct DataAreaStruct DataArea;
extern DataArea *newDataArea (void);
extern void destroyDataArea (DataArea *area);
extern void resetDataArea (DataArea *area);
typedef unsigned long int DataOffset;
extern int allocateDataItem (DataArea *area, DataOffset *offset, size_t size, unsigned int alignment);
extern void *getDataItem (DataArea *area, DataOffset offset);
extern size_t getDataSize (DataArea *area);
extern int saveDataItem (DataArea *area, DataOffset *offset, const void *item, size_t size, int alignment);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_DATAAREA */
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