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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005 Simon Howard
//
// This program is free software; you can redistribute it and/or
// modify it 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.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
// DESCRIPTION:
// System specific interface stuff.
//
//-----------------------------------------------------------------------------
#ifndef __I_SYSTEM__
#define __I_SYSTEM__
#include "d_ticcmd.h"
#include "d_event.h"
typedef void (*atexit_func_t)(void);
// Called by DoomMain.
void I_Init (void);
// Called by startup code
// to get the ammount of memory to malloc
// for the zone management.
byte* I_ZoneBase (int *size);
boolean I_ConsoleStdout(void);
// Asynchronous interrupt functions should maintain private queues
// that are read by the synchronous functions
// to be converted into events.
// Either returns a null ticcmd,
// or calls a loadable driver to build it.
// This ticcmd will then be modified by the gameloop
// for normal input.
ticcmd_t* I_BaseTiccmd (void);
// Called by M_Responder when quit is selected.
// Clean exit, displays sell blurb.
void I_Quit (void);
// Allocates from low memory under dos,
// just mallocs under unix
byte* I_AllocLow (int length);
void I_Tactile (int on, int off, int total);
void I_Error (char *error, ...);
// Schedule a function to be called when the program exits.
// If run_if_error is true, the function is called if the exit
// is due to an error (I_Error)
void I_AtExit(atexit_func_t func, boolean run_if_error);
// Add all system-specific config file variable bindings.
void I_BindVariables(void);
// Display the Endoom screen on shutdown. Pass a pointer to the
// ENDOOM lump.
void I_Endoom(byte *data);
// Print startup banner copyright message.
void I_PrintStartupBanner(char *gamedescription);
// Print a centered text banner displaying the given string.
void I_PrintBanner(char *text);
// Print a dividing line for startup banners.
void I_PrintDivider(void);
#endif
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