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diff --git a/source/com_public.h b/source/com_public.h
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+++ b/source/com_public.h
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+/*
+Copyright (C) 1997-2001 Id Software, Inc.
+
+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.
+
+*/
+
+// com_public.h -- interfaces for common subsystems
+
+#ifndef _COM_PUBLIC_H_
+#define _COM_PUBLIC_H_
+
+/*
+==============================================================
+
+CMD
+
+==============================================================
+*/
+
+typedef enum cbufExecWhen_e {
+	EXEC_NOW,		// don't return until completed
+	EXEC_INSERT,	// insert at current position, but don't run yet
+	EXEC_APPEND		// add to end of the command buffer
+} cbufExecWhen_t;
+
+typedef void ( *xcommand_t )( void );
+typedef void ( *xmacro_t )( char *, int );
+typedef const char *( *xgenerator_t )( const char *, int );
+
+typedef struct cmdreg_s {
+	const char		*name;
+	xcommand_t		function;
+	xgenerator_t	generator1;
+	xgenerator_t	generator2;
+	xgenerator_t	generator3;
+} cmdreg_t;
+
+typedef struct cmdAPI_s {
+	void 	(*ExecuteText)( cbufExecWhen_t exec_when, const char *text );
+	int 	(*Argc)( void );
+	char 	*(*Argv)( int arg );
+	void 	(*ArgvBuffer)( int arg, char *buffer, int bufferSize );
+	char 	*(*Args)( void );
+	void 	(*ArgsBuffer)( char *buffer, int bufferSize );
+	char 	*(*ArgsFrom)( int from );
+	void 	(*Register)( const cmdreg_t *regs );
+	void 	(*Deregister)( const cmdreg_t *regs );
+	void 	(*AddCommand)( const char *cmd_name, xcommand_t function );
+	void 	(*RemoveCommand)( const char *cmd_name );
+	xcommand_t	(*FindFunction)( const char *name );
+	xmacro_t	(*FindMacroFunction)( const char *name );
+	xgenerator_t	(*FindGenerator)( const char *name, int index );
+} cmdAPI_t;
+
+extern	cmdAPI_t	cmd;
+
+/*
+==============================================================
+
+CVAR
+
+==============================================================
+*/
+
+typedef enum {
+	CVAR_SYSTEM_GENERIC,
+	CVAR_SYSTEM_GAME,
+	CVAR_SYSTEM_VIDEO,
+	CVAR_SYSTEM_SOUND,
+	CVAR_SYSTEM_INPUT,
+	CVAR_SYSTEM_NET,
+	CVAR_SYSTEM_FILES,
+
+	CVAR_SYSTEM_MAX
+} cvarSubsystem_t;
+
+#define CVAR_CHEAT			32
+#define CVAR_PRIVATE		64
+#define CVAR_ROM			128
+#define CVAR_LATCHED		256
+#define CVAR_USER_CREATED	512
+#define CVAR_DEFAULTS_MIXED	1024
+#define CVAR_LOCAL      	2048
+
+#define CVAR_INFOMASK		(CVAR_USERINFO|CVAR_SERVERINFO)
+#define CVAR_EXTENDED_MASK	(~31)
+
+typedef struct cvarAPI_s {
+	float 	(*VariableValue)( const char *var_name );
+	int 	(*VariableInteger)( const char *var_name );
+	char 	*(*VariableString)( const char *var_name );
+	void 	(*VariableStringBuffer)( const char *var_name, char *buffer, int bufferSize );
+	cvar_t 	*(*Get)( const char *var_name, const char *var_value, int flags );
+	cvar_t 	*(*Set)( const char *var_name, const char *value );
+	void 	(*SetValue)( const char *var_name, float value );
+	void 	(*SetInteger)( const char *var_name, int value );
+	void	(*Subsystem)( cvarSubsystem_t subsystem );
+} cvarAPI_t;
+
+extern	cvarAPI_t	cvar;
+
+/*
+==============================================================
+
+FILESYSTEM
+
+==============================================================
+*/
+
+#define MAX_LISTED_FILES	4096
+
+typedef struct fsSearchInfo_s {
+	int		fileSize;
+	qtime_t		timeCreate;
+	qtime_t		timeModify;
+} fsFileInfo_t;
+
+
+/* bits 0 - 1, enum */
+#define		FS_MODE_APPEND			0x00000000
+#define		FS_MODE_READ			0x00000001
+#define		FS_MODE_WRITE			0x00000002
+#define		FS_MODE_RDWR			0x00000003
+#define		FS_MODE_MASK			0x00000003
+
+/* bits 0 - 1, enum */
+#define		FS_SEARCHDIRS_NO			0x00000000
+#define		FS_SEARCHDIRS_YES			0x00000001
+#define		FS_SEARCHDIRS_ONLY			0x00000002
+#define		FS_SEARCHDIRS_RESERVED		0x00000003
+#define		FS_SEARCHDIRS_MASK			0x00000003
+
+/* bit 2, enum */
+#define FS_FLUSH_NONE			0x00000000
+#define FS_FLUSH_SYNC			0x00000004
+#define	FS_FLUSH_MASK			0x00000004
+
+/* bits 3 - 4, enum */
+#define	FS_TYPE_ANY			0x00000000
+#define	FS_TYPE_REAL		0x00000008
+#define	FS_TYPE_PAK			0x00000010
+#define	FS_TYPE_RESERVED	0x00000018
+#define	FS_TYPE_MASK		0x00000018
+
+/* bits 5 - 6, enum */
+#define	FS_PATH_ANY			0x00000000
+#define	FS_PATH_RESERVED	0x00000020
+#define	FS_PATH_BASE		0x00000040
+#define	FS_PATH_GAME		0x00000060
+#define	FS_PATH_MASK		0x00000060
+
+/* bits 7 - 10, flag */
+#define	FS_SEARCH_BYFILTER		0x00000080
+#define	FS_SEARCH_SAVEPATH		0x00000100
+#define	FS_SEARCH_EXTRAINFO		0x00000200
+#define	FS_SEARCH_NOSORT		0x00000400
+
+/* bits 7 - 8, flag */
+#define	FS_FLAG_RAW				0x00000080
+#define	FS_FLAG_CACHE			0x00000100
+
+typedef struct fsAPI_s {
+	void 	(*FCloseFile)( fileHandle_t f );
+	int 	(*Read)( void *buffer, int len, fileHandle_t f );
+	int 	(*Write)( const void *buffer, int len, fileHandle_t f );
+	int 	(*FOpenFile)( const char *filename, fileHandle_t *f, uint32 mode );
+	int 	(*Tell)( fileHandle_t f );
+	int 	(*RawTell)( fileHandle_t f );
+	int 	(*LoadFile)( const char *path, void **buffer );
+	int 	(*LoadFileEx)( const char *path, void **buffer, uint32 flags );
+    void    *(*AllocTempMem)( int length );
+	void 	(*FreeFile)( void *buffer );
+	char 	**(*ListFiles)( const char *path, const char *extension, uint32 flags, int *numFiles );
+	void 	(*FreeFileList)( char **list );
+} fsAPI_t;
+
+extern	fsAPI_t		fs;
+
+/*
+==============================================================
+
+COMMON
+
+==============================================================
+*/
+
+#define	MAXPRINTMSG		4096
+
+// memory tags to allow dynamic memory to be cleaned up
+typedef enum memtag_e {
+	TAG_FREE,				// should have never been set
+	TAG_STATIC,
+
+	TAG_GENERAL,
+	TAG_CMD,
+	TAG_CVAR,
+	TAG_FILESYSTEM,
+	TAG_RENDERER,
+	TAG_UI,
+	TAG_CGAME,
+    TAG_SERVER,
+	TAG_MVD,
+    TAG_SOUND,
+	TAG_CMODEL,
+    TAG_LUA,
+
+	TAG_MAX,
+
+	TAG_GAME	= 765,		// clear when unloading the dll
+	TAG_LEVEL	= 766		// clear when loading a new level
+} memtag_t;
+
+typedef struct commonAPI_s {
+	void	(* q_noreturn Error)( comErrorType_t code, const char *str );
+	void	(*Print)( comPrintType_t type, const char *str );
+
+	void	*(*TagMalloc)( size_t size, memtag_t tag );
+	void	*(*Realloc)( void *ptr, size_t size );
+	void	(*Free)( void *ptr );
+} commonAPI_t;
+
+extern	commonAPI_t	com;
+
+/*
+==============================================================
+
+SYSTEM
+
+==============================================================
+*/
+
+typedef struct {
+	byte	*base;
+	int		maxsize;
+	int		cursize;
+    int     mapped;
+} mempool_t;
+
+typedef struct sysAPI_s {
+	int		(*Milliseconds)( void );
+	char	*(*GetClipboardData)( void );
+	void	(*SetClipboardData)( const char *data );
+	void	(*HunkBegin)( mempool_t *pool, int maxsize );
+	void	*(*HunkAlloc)( mempool_t *pool, int size );
+	void	(*HunkEnd)( mempool_t *pool );
+	void	(*HunkFree)( mempool_t *pool );
+} sysAPI_t;
+
+extern sysAPI_t		sys;
+
+/*
+==============================================================
+
+MODULES
+
+==============================================================
+*/
+
+// if api_version is different, the dll cannot be used
+#define MODULES_APIVERSION	313
+
+typedef enum moduleQuery_e {
+	MQ_GETINFO,
+	MQ_GETCAPS,
+	MQ_SETUPAPI
+} moduleQuery_t;
+
+typedef enum moduleCapability_e {
+	MCP_EMPTY			= (0<<0),
+	MCP_VIDEO_SOFTWARE	= (1<<0),
+	MCP_VIDEO_OPENGL	= (1<<1),
+	MCP_REFRESH			= (1<<2),
+	MCP_SOUND			= (1<<3),
+	MCP_INPUT			= (1<<4),
+	MCP_UI				= (1<<5)
+} moduleCapability_t;
+
+typedef struct moduleInfo_s {
+	// if api_version is different, the dll cannot be used
+	int		api_version;
+	char	fullname[MAX_QPATH];
+	char	author[MAX_QPATH];
+} moduleInfo_t;
+
+// this is the only function actually exported at the linker level
+typedef void	*(*moduleEntry_t)( int, void * );
+
+// API types used in MQ_SETUPAPI query
+typedef enum api_type_e {
+	API_CMD,
+	API_CVAR,
+	API_FS,
+	API_COMMON,
+	API_KEYS,
+	API_SYSTEM,
+	API_VIDEO_SOFTWARE,
+	API_VIDEO_OPENGL,
+	API_REFRESH,
+	API_INPUT,
+	API_UI,
+	API_CLIENT
+} api_type_t;
+
+// passed along with MQ_SETUPAPI query
+typedef void	(*APISetupCallback_t)( int, void * );
+
+#if 0
+typedef enum {
+    // exported
+	API_REFRESH,
+	API_UI,
+    API_GAME,
+
+    // imported
+	API_CMD,
+	API_CVAR,
+	API_FS,
+	API_COMMON,
+	API_KEYS,
+	API_SYSTEM,
+	API_VIDEO_SOFTWARE,
+	API_VIDEO_OPENGL
+} api_type_t;
+
+typedef void	(*api_callback_t)( int, void * );
+
+// this is the only function actually exported at the linker level
+typedef void	*(*moduleEntry_t)( api_type_t, api_callback_t );
+#endif
+
+#endif // _COM_PUBLIC_H_