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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) 1995-2024 by The BRLTTY Developers.
*
* BRLTTY comes with ABSOLUTELY NO WARRANTY.
*
* This is free software, placed under the terms of the
* GNU Lesser General Public License, as published by the Free Software
* Foundation; either version 2.1 of the License, or (at your option) any
* later version. Please see the file LICENSE-LGPL for details.
*
* Web Page: http://brltty.app/
*
* This software is maintained by Dave Mielke <dave@mielke.cc>.
*/
#ifndef BRLTTY_INCLUDED_SCR_HELP
#define BRLTTY_INCLUDED_SCR_HELP
#include "scr_base.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct {
BaseScreen base;
int (*construct) (void);
void (*destruct) (void);
unsigned int (*addPage) (void);
unsigned int (*getPageCount) (void);
unsigned int (*getPageNumber) (void);
int (*setPageNumber) (unsigned int number);
int (*clearPage) (void);
int (*addLine) (const wchar_t *characters);
unsigned int (*getLineCount) (void);
} HelpScreen;
extern void initializeHelpScreen (HelpScreen *help);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* BRLTTY_INCLUDED_SCR_HELP */
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