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/* Emacs style mode select -*- C++ -*-
*-----------------------------------------------------------------------------
*
*
* PrBoom: a Doom port merged with LxDoom and LSDLDoom
* based on BOOM, a modified and improved DOOM engine
* Copyright (C) 1999 by
* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
* Copyright (C) 1999-2000 by
* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
* Copyright 2005, 2006 by
* Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
*
* 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__
#ifdef __GNUG__
#pragma interface
#endif
extern int ms_to_next_tick;
boolean I_StartDisplay(void);
void I_EndDisplay(void);
int I_GetTime_RealTime(void); /* killough */
#ifndef PRBOOM_SERVER
fixed_t I_GetTimeFrac (void);
#endif
void I_GetTime_SaveMS(void);
unsigned long I_GetRandomTimeSeed(void); /* cphipps */
void I_uSleep(unsigned long usecs);
/* cphipps - I_GetVersionString
* Returns a version string in the given buffer
*/
const char* I_GetVersionString(char* buf, size_t sz);
/* cphipps - I_SigString
* Returns a string describing a signal number
*/
const char* I_SigString(char* buf, size_t sz, int signum);
const char *I_DoomExeDir(void); // killough 2/16/98: path to executable's dir
boolean HasTrailingSlash(const char* dn);
char* I_FindFile(const char* wfname, const char* ext);
/* cph 2001/11/18 - wrapper for read(2) which deals with partial reads */
void I_Read(int fd, void* buf, size_t sz);
/* cph 2001/11/18 - Move W_Filelength to i_system.c */
int I_Filelength(int handle);
void I_SetAffinityMask(void);
#endif
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