/**

 * vim: set ts=4 :

 * =============================================================================

 * SourceMod (C)2004-2008 AlliedModders LLC.  All rights reserved.

 * =============================================================================

 *

 * This file is part of the SourceMod/SourcePawn SDK.

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, version 3.0, as published by the

 * Free Software Foundation.

 * 

 * 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, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to link the

 * code of this program (as well as its derivative works) to "Half-Life 2," the

 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

 * by the Valve Corporation.  You must obey the GNU General Public License in

 * all respects for all other code used.  Additionally, AlliedModders LLC grants

 * this exception to all derivative works.  AlliedModders LLC defines further

 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

 * or <http://www.sourcemod.net/license.php>.

 *

 * Version: $Id$

 */

#if defined _console_included

 #endinput

#endif

#define _console_included

#define INVALID_FCVAR_FLAGS		(-1)

/**

 * Console variable bound values used with Get/SetConVarBounds()

 */

enum ConVarBounds

{

	ConVarBound_Upper = 0,

	ConVarBound_Lower

};

/**

 * Console variable query helper values.

 */

enum QueryCookie

{

	QUERYCOOKIE_FAILED = 0,

};

/**

 * Reply sources for commands.

 */

enum ReplySource

{

	SM_REPLY_TO_CONSOLE = 0,

	SM_REPLY_TO_CHAT = 1,

};

/**

 * Console variable query result values.

 */

enum ConVarQueryResult

{

	ConVarQuery_Okay = 0,				/**< Retrieval of client convar value was successful. */

	ConVarQuery_NotFound,				/**< Client convar was not found. */

	ConVarQuery_NotValid,				/**< A console command with the same name was found, but there is no convar. */

	ConVarQuery_Protected				/**< Client convar was found, but it is protected. The server cannot retrieve its value. */

};

/**

 * @section Flags for console commands and console variables.  The descriptions 

 * for each constant come directly from the Source SDK.

 */

#define FCVAR_NONE				0		/**< The default, no flags at all */

#define FCVAR_UNREGISTERED		(1<<0)	/**< If this is set, don't add to linked list, etc. */

#define FCVAR_LAUNCHER			(1<<1)	/**< Defined by launcher. */

#define FCVAR_GAMEDLL			(1<<2)	/**< Defined by the game DLL. */

#define FCVAR_CLIENTDLL			(1<<3)	/**< Defined by the client DLL. */

#define FCVAR_MATERIAL_SYSTEM	(1<<4)	/**< Defined by the material system. */

#define FCVAR_PROTECTED			(1<<5)	/**< It's a server cvar, but we don't send the data since it's a password, etc. Sends 1 if it's not bland/zero, 0 otherwise as value. */

#define FCVAR_SPONLY			(1<<6)	/**< This cvar cannot be changed by clients connected to a multiplayer server. */

#define	FCVAR_ARCHIVE			(1<<7)	/**< Set to cause it to be saved to vars.rc */

#define	FCVAR_NOTIFY			(1<<8)	/**< Notifies players when changed. */

#define	FCVAR_USERINFO			(1<<9)	/**< Changes the client's info string. */

#define FCVAR_PRINTABLEONLY		(1<<10)	/**< This cvar's string cannot contain unprintable characters (e.g., used for player name, etc.) */

#define FCVAR_UNLOGGED			(1<<11)	/**< If this is a FCVAR_SERVER, don't log changes to the log file / console if we are creating a log */

#define FCVAR_NEVER_AS_STRING	(1<<12)	/**< Never try to print that cvar. */

#define FCVAR_REPLICATED		(1<<13)	/**< Server setting enforced on clients. */

#define FCVAR_CHEAT				(1<<14)	/**< Only useable in singleplayer / debug / multiplayer & sv_cheats */

#define FCVAR_STUDIORENDER		(1<<15)	/**< Defined by the studiorender system. */

#define FCVAR_DEMO				(1<<16)	/**< Record this cvar when starting a demo file. */

#define FCVAR_DONTRECORD		(1<<17)	/**< Don't record these command in demo files. */

#define FCVAR_PLUGIN			(1<<18)	/**< Defined by a 3rd party plugin. */

#define FCVAR_DATACACHE			(1<<19)	/**< Defined by the datacache system. */

#define FCVAR_TOOLSYSTEM		(1<<20)	/**< Defined by an IToolSystem library */

#define FCVAR_FILESYSTEM		(1<<21)	/**< Defined by the file system. */

#define FCVAR_NOT_CONNECTED		(1<<22)	/**< Cvar cannot be changed by a client that is connected to a server. */

#define FCVAR_SOUNDSYSTEM		(1<<23)	/**< Defined by the soundsystem library. */

#define FCVAR_ARCHIVE_XBOX		(1<<24)	/**< Cvar written to config.cfg on the Xbox. */

#define FCVAR_INPUTSYSTEM		(1<<25)	/**< Defined by the inputsystem DLL. */

#define FCVAR_NETWORKSYSTEM		(1<<26)	/**< Defined by the network system. */

#define FCVAR_VPHYSICS			(1<<27)	/**< Defined by vphysics. */

/**

 * @endsection

 */

/**

 * Executes a server command as if it were on the server console (or RCON)

 *

 * @param format		Formatting rules.

 * @param ...			Variable number of format parameters.

 * @noreturn

 */

native ServerCommand(const String:format[], any:...);

/**

 * Inserts a server command at the beginning of the server command buffer.

 *

 * @param format		Formatting rules.

 * @param ...			Variable number of format parameters.

 * @noreturn

 */

native InsertServerCommand(const String:format[], any:...);

/**

 * Executes every command in the server's command buffer, rather than once per frame.

 *

 * @noreturn

 */

native ServerExecute();

/**

 * Executes a client command.  Note that this will not work on clients unless

 * they have cl_restrict_server_commands set to 0.

 *

 * @param client		Index of the client.

 * @param fmt			Format of the client command.

 * @param ...			Format parameters/

 * @noreturn

 * @error				Invalid client index, or client not connected.

 */

native ClientCommand(client, const String:fmt[], any:...);

/**

 * Executes a client command on the server without being networked.

 *

 * FakeClientCommand() overwrites the command tokenization buffer.  This can 

 * cause undesired effects because future calls to GetCmdArg* will return 

 * data from the FakeClientCommand(), not the parent command.  If you are in 

 * a hook where this matters (for example, a "say" hook), you should use 

 * FakeClientCommandEx() instead.

 *

 * @param client		Index of the client.

 * @param fmt			Format of the client command.

 * @param ...			Format parameters

 * @noreturn

 * @error				Invalid client index, or client not connected.

 */

native FakeClientCommand(client, const String:fmt[], any:...);

/**

 * Executes a client command on the server without being networked.  The 

 * execution of the client command is delayed by one frame to prevent any 

 * re-entrancy issues that might surface with FakeClientCommand().

 *

 * @param client		Index of the client.

 * @param fmt			Format of the client command.

 * @param ...			Format parameters

 * @noreturn

 * @error				Invalid client index, or client not connected.

 */

native FakeClientCommandEx(client, const String:fmt[], any:...);

/**

 * Sends a message to the server console.

 *

 * @param format		Formatting rules.

 * @param ...			Variable number of format parameters.

 * @noreturn

 */

native PrintToServer(const String:format[], any:...);

/**

 * Sends a message to a client's console.

 *

 * @param client		Client index.

 * @param format		Formatting rules.

 * @param ...			Variable number of format parameters.

 * @noreturn

 * @error				If the client is not connected an error will be thrown.

 */

native PrintToConsole(client, const String:format[], any:...);

/**

 * Reples to a message in a command.

 *

 * A client index of 0 will use PrintToServer().

 * If the command was from the console, PrintToConsole() is used.

 * If the command was from chat, PrintToChat() is used.

 *

 * @param client		Client index, or 0 for server.

 * @param format		Formatting rules.

 * @param ...			Variable number of format parameters.

 * @noreturn

 * @error				If the client is not connected or invalid.

 */

native ReplyToCommand(client, const String:format[], any:...);

/**

 * Returns the current reply source of a command.

 *

 * @return				ReplySource value.

 */

native ReplySource:GetCmdReplySource();

/**

 * Sets the current reply source of a command.

 *

 * Only use this if you know what you are doing.  You should save the old value

 * and restore it once you are done.

 *

 * @param source		New ReplySource value.

 * @return				Old ReplySource value.

 */

native ReplySource:SetCmdReplySource(ReplySource:source);

/**

 * Returns whether the current say hook is a chat trigger.

 *

 * This function is only meaningful inside say or say_team hooks.

 *

 * @return				True if a chat trigger, false otherwise.

 */

native bool:IsChatTrigger();

/**

 * Displays usage of an admin command to users depending on the 

 * setting of the sm_show_activity cvar.  All users receive a message 

 * in their chat text, except for the originating client, who receives 

 * the message based on the current ReplySource.

 *

 * @param client		Client index doing the action, or 0 for server.

 * @param tag			Tag to prepend to the message.

 * @param format		Formatting rules.

 * @param ...			Variable number of format parameters.

 * @noreturn

 * @error

 */

native ShowActivity2(client, const String:tag[], const String:format[], any:...);

/**

 * Displays usage of an admin command to users depending on the 

 * setting of the sm_show_activity cvar.  

 *

 * This version does not display a message to the originating client 

 * if used from chat triggers or menus.  If manual replies are used 

 * for these cases, then this function will suffice.  Otherwise, 

 * ShowActivity2() is slightly more useful.

 *

 * @param client		Client index doing the action, or 0 for server.

 * @param format		Formatting rules.

 * @param ...			Variable number of format parameters.

 * @noreturn

 * @error

 */

native ShowActivity(client, const String:format[], any:...);

/**

 * Same as ShowActivity(), except the tag parameter is used instead of

 * "[SM] " (note that you must supply any spacing).

 *

 * @param client		Client index doing the action, or 0 for server.

 * @param tag			Tag to display with.

 * @param format		Formatting rules.

 * @param ...			Variable number of format parameters.

 * @noreturn

 * @error

 */

native ShowActivityEx(client, const String:tag[], const String:format[], any:...);

/**

 * Given an originating client and a target client, returns the string 

 * that describes the originating client according to the sm_show_activity cvar.

 *

 * For example, "ADMIN", "PLAYER", or a player's name could be placed in this buffer.

 *

 * @param client        Originating client; may be 0 for server console.

 * @param target        Targeted client.

 * @param namebuf       Name buffer.

 * @param maxlength     Maximum size of the name buffer.

 * @return              True if activity should be shown.  False otherwise.  In either 

 *                      case, the name buffer is filled.  The return value can be used 

 *                      to broadcast a "safe" name to all players regardless of the 

 *                      sm_show_activity filters.

 * @error               Invalid client index or client not connected.

 */

native FormatActivitySource(client, target, const String:namebuf[], maxlength);

/**

 * Called when a server-only command is invoked.  

 *

 * @params args			Number of arguments that were in the argument string.

 * @return				An Action value.  Not handling the command

 *						means that Source will report it as "not found."

 */

functag public Action:SrvCmd(args);

/**

 * Creates a server-only console command, or hooks an already existing one.  

 *

 * Server commands are case sensitive.

 *

 * @param cmd			Name of the command to hook or create.

 * @param callback		A function to use as a callback for when the command is invoked.

 * @param description	Optional description to use for command creation.

 * @param flags			Optional flags to use for command creation.

 * @noreturn

 * @error				Command name is the same as an existing convar.

 */

native RegServerCmd(const String:cmd[], SrvCmd:callback, const String:description[]="", flags=0);

/**

 * Called when a generic console command is invoked.

 *

 * @param client		Index of the client, or 0 from the server.

 * @param args			Number of arguments that were in the argument string.

 * @return				An Action value.  Not handling the command

 *						means that Source will report it as "not found."

 */

functag public Action:ConCmd(client, args);

/**

 * Creates a console command, or hooks an already existing one.

 *

 * Console commands are case sensitive.  However, if the command already exists in the game, 

 * the a client may enter the command in any case.  SourceMod corrects for this automatically, 

 * and you should only hook the "real" version of the command.

 *

 * @param cmd			Name of the command to hook or create.

 * @param callback		A function to use as a callback for when the command is invoked.

 * @param description	Optional description to use for command creation.

 * @param flags			Optional flags to use for command creation.

 * @noreturn

 * @error				Command name is the same as an existing convar.

 */

native RegConsoleCmd(const String:cmd[], ConCmd:callback, const String:description[]="", flags=0);

/**

 * Creates a console command as an administrative command.  If the command does not exist,

 * it is created.  When this command is invoked, the access rights of the player are 

 * automatically checked before allowing it to continue.

 *

 * Admin commands are case sensitive from both the client and server.

 *

 * @param cmd			String containing command to register.

 * @param callback		A function to use as a callback for when the command is invoked.

 * @param adminflags	Administrative flags (bitstring) to use for permissions.

 * @param description	Optional description to use for help.

 * @param group			String containing the command group to use.  If empty,

 * 						the plugin's filename will be used instead.

 * @param flags			Optional console flags.

 * @noreturn

 * @error				Command name is the same as an existing convar.

 */

native RegAdminCmd(const String:cmd[],

					ConCmd:callback,

					adminflags,

					const String:description[]="",

					const String:group[]="",

					flags=0);

/**

 * Returns the number of arguments from the current console or server command.

 * @note Unlike the HL2 engine call, this does not include the command itself.

 *

 * @return				Number of arguments to the current command.

 */

native GetCmdArgs();

/**

 * Retrieves a command argument given its index, from the current console or 

 * server command.

 * @note Argument indexes start at 1; 0 retrieves the command name.

 *

 * @param argnum		Argument number to retrieve.

 * @param buffer		Buffer to use for storing the string.

 * @param maxlength		Maximum length of the buffer.

 * @return				Length of string written to buffer.

 */

native GetCmdArg(argnum, String:buffer[], maxlength);

/**

 * Retrieves the entire command argument string in one lump from the current 

 * console or server command.

 *

 * @param buffer		Buffer to use for storing the string.

 * @param maxlength		Maximum length of the buffer.

 * @return				Length of string written to buffer.

 */

native GetCmdArgString(String:buffer[], maxlength);

/**

 * Creates a new console variable.

 *

 * @param name			Name of new convar.

 * @param defaultValue	String containing the default value of new convar.

 * @param description	Optional description of the convar.

 * @param flags			Optional bitstring of flags determining how the convar should be handled. See FCVAR_* constants for more details.

 * @param hasMin		Optional boolean that determines if the convar has a minimum value.

 * @param min			Minimum floating point value that the convar can have if hasMin is true.

 * @param hasMax		Optional boolean that determines if the convar has a maximum value.

 * @param max			Maximum floating point value that the convar can have if hasMax is true.

 * @return				A handle to the newly created convar. If the convar already exists, a handle to it will still be returned.

 * @error				Convar name is blank or is the same as an existing console command.

 */

native Handle:CreateConVar(const String:name[], const String:defaultValue[], const String:description[]="", flags=0, bool:hasMin=false, Float:min=0.0, bool:hasMax=false, Float:max=0.0);

/**

 * Searches for a console variable.

 *

 * @param name			Name of convar to find.

 * @return				A handle to the convar if it is found. INVALID_HANDLE otherwise.

 */

native Handle:FindConVar(const String:name[]);

/**

 * Called when a console variable's value is changed.

 *

 * @param convar		Handle to the convar that was changed.

 * @param oldValue		String containing the value of the convar before it was changed.

 * @param newValue		String containing the new value of the convar.

 * @noreturn

 */

functag public ConVarChanged(Handle:convar, const String:oldValue[], const String:newValue[]);

/**

 * Creates a hook for when a console variable's value is changed.

 *

 * @param convar		Handle to the convar.

 * @param callback		An OnConVarChanged function pointer.

 * @noreturn

 * @error				Invalid or corrupt Handle or invalid callback function.

 */

native HookConVarChange(Handle:convar, ConVarChanged:callback);

/**

 * Removes a hook for when a console variable's value is changed.

 *

 * @param convar		Handle to the convar.

 * @param callback		An OnConVarChanged function pointer.

 * @noreturn

 * @error				Invalid or corrupt Handle, invalid callback function, or no active hook on convar.

 */

native UnhookConVarChange(Handle:convar, ConVarChanged:callback);

/**

 * Returns the boolean value of a console variable.

 *

 * @param convar		Handle to the convar.

 * @return				The boolean value of the convar.

 * @error				Invalid or corrupt Handle.

 */

native bool:GetConVarBool(Handle:convar);

/**

 * Sets the boolean value of a console variable.

 *

 * Note: The replicate and notify params are ignored on the engines for Episode 2/Orange Box

 * and Left 4 Dead. These engines automatically replicates and notifies as soon as the convar

 * is changed.

 *

 * @param convar		Handle to the convar.

 * @param value			New boolean value.

 * @param replicate		If set to true, the new convar value will be set on all clients.

 *						This will only work if the convar has the FCVAR_REPLICATED flag

 *						and actually exists on clients.

 * @param notify		If set to true, clients will be notified that the convar has changed.

 *						This will only work if the convar has the FCVAR_NOTIFY flag.

 * @noreturn

 * @error				Invalid or corrupt Handle.

 */

native SetConVarBool(Handle:convar, bool:value, bool:replicate=false, bool:notify=false);

/**

 * Returns the integer value of a console variable.

 *

 * @param convar		Handle to the convar.

 * @return				The integer value of the convar.

 * @error				Invalid or corrupt Handle.

 */

native GetConVarInt(Handle:convar);

/**

 * Sets the integer value of a console variable.

 *

 * Note: The replicate and notify params are ignored on the engines for Episode 2/Orange Box

 * and Left 4 Dead. These engines automatically replicates and notifies as soon as the convar

 * is changed.

 *

 * @param convar		Handle to the convar.

 * @param value			New integer value.

 * @param replicate		If set to true, the new convar value will be set on all clients.

 *						This will only work if the convar has the FCVAR_REPLICATED flag

 *						and actually exists on clients.

 * @param notify		If set to true, clients will be notified that the convar has changed.

 *						This will only work if the convar has the FCVAR_NOTIFY flag.

 * @noreturn

 * @error				Invalid or corrupt Handle.

 */

native SetConVarInt(Handle:convar, value, bool:replicate=false, bool:notify=false);

/**

 * Returns the floating point value of a console variable.

 *

 * @param convar		Handle to the convar.

 * @return				The floating point value of the convar.

 * @error				Invalid or corrupt Handle.

 */

native Float:GetConVarFloat(Handle:convar);

/**

 * Sets the floating point value of a console variable.

 *

 * Note: The replicate and notify params are ignored on the engines for Episode 2/Orange Box

 * and Left 4 Dead. These engines automatically replicates and notifies as soon as the convar

 * is changed.

 *

 * @param convar		Handle to the convar.

 * @param value			New floating point value.

 * @param replicate		If set to true, the new convar value will be set on all clients.

 *						This will only work if the convar has the FCVAR_REPLICATED flag

 *						and actually exists on clients.

 * @param notify		If set to true, clients will be notified that the convar has changed.

 *						This will only work if the convar has the FCVAR_NOTIFY flag.

 * @noreturn

 * @error				Invalid or corrupt Handle.

 */

native SetConVarFloat(Handle:convar, Float:value, bool:replicate=false, bool:notify=false);

/**

 * Retrieves the string value of a console variable.

 *

 * @param convar		Handle to the convar.

 * @param value			Buffer to store the value of the convar.

 * @param maxlength		Maximum length of string buffer.

 * @noreturn

 * @error				Invalid or corrupt Handle.     

 */

native GetConVarString(Handle:convar, String:value[], maxlength);

/**

 * Sets the string value of a console variable.

 *

 * Note: The replicate and notify params are ignored on the engines for Episode 2/Orange Box

 * and Left 4 Dead. These engines automatically replicates and notifies as soon as the convar

 * is changed.

 *

 * @param convar		Handle to the convar.

 * @param value			New string value.

 * @param replicate		If set to true, the new convar value will be set on all clients.

 *						This will only work if the convar has the FCVAR_REPLICATED flag

 *						and actually exists on clients.

 * @param notify		If set to true, clients will be notified that the convar has changed.

 *						This will only work if the convar has the FCVAR_NOTIFY flag.

 * @noreturn

 * @error				Invalid or corrupt Handle.

 */

native SetConVarString(Handle:convar, const String:value[], bool:replicate=false, bool:notify=false);

/**

 * Resets the console variable to its default value.

 *

 * Note: The replicate and notify params are ignored on the engines for Episode 2/Orange Box

 * and Left 4 Dead. These engines automatically replicates and notifies as soon as the convar

 * is changed.

 *

 * @param convar		Handle to the convar.

 * @param replicate		If set to true, the new convar value will be set on all clients.

 *						This will only work if the convar has the FCVAR_REPLICATED flag

 *						and actually exists on clients.

 * @param notify		If set to true, clients will be notified that the convar has changed.

 *						This will only work if the convar has the FCVAR_NOTIFY flag.

 * @noreturn

 * @error				Invalid or corrupt Handle.

 */

native ResetConVar(Handle:convar, bool:replicate=false, bool:notify=false);

/**

 * Returns the bitstring of flags on a console variable.

 *

 * @param convar		Handle to the convar.

 * @return				A bitstring containing the FCVAR_* flags that are enabled.

 * @error				Invalid or corrupt Handle.

 */

native GetConVarFlags(Handle:convar);

/**

 * Sets the bitstring of flags on a console variable.

 *

 * @param convar		Handle to the convar.

 * @param flags			A bitstring containing the FCVAR_* flags to enable.

 * @noreturn

 * @error				Invalid or corrupt Handle.

 */

native SetConVarFlags(Handle:convar, flags);

/**

 * Retrieves the specified bound of a console variable.

 *

 * @param convar		Handle to the convar.

 * @param type			Type of bound to retrieve, ConVarBound_Lower or ConVarBound_Upper.

 * @param value			By-reference cell to store the specified floating point bound value.

 * @return				True if the convar has the specified bound set, false otherwise.

 * @error				Invalid or corrupt Handle.

 */

native bool:GetConVarBounds(Handle:convar, ConVarBounds:type, &Float:value);

/**

 * Sets the specified bound of a console variable.

 *

 * @param convar		Handle to the convar.

 * @param type			Type of bound to set, ConVarBound_Lower or ConVarBound_Upper

 * @param set			If set to true, convar will use specified bound. If false, bound will be removed.

 * @param value			Floating point value to use as the specified bound.

 * @noreturn

 * @error				Invalid or corrupt Handle.

 */

native SetConVarBounds(Handle:convar, ConVarBounds:type, bool:set, Float:value=0.0);

/**

 * Retrieves the name of a console variable.

 *

 * @param convar		Handle to the convar.

 * @param value			Buffer to store the name of the convar.

 * @param maxlength		Maximum length of string buffer.

 * @noreturn

 * @error				Invalid or corrupt Handle.     

 */

native GetConVarName(Handle:convar, const String:name[], maxlength);

funcenum ConVarQueryFinished

{	

	/**

	 * Called when a query to retrieve a client's console variable has finished.

	 *

	 * @param cookie		Unique identifier of query.

	 * @param client		Player index.

	 * @param result		Result of query that tells one whether or not query was successful.

	 *						See ConVarQueryResult enum for more details.

	 * @param convarName	Name of client convar that was queried.

	 * @param convarValue	Value of client convar that was queried if successful. This will be "" if it was not.

	 * @param value			Value that was passed when query was started.

	 * @noreturn

	 */

	public(QueryCookie:cookie, client, ConVarQueryResult:result, const String:cvarName[], const String:cvarValue[], any:value),

	/**

	 * Called when a query to retrieve a client's console variable has finished.

	 *

	 * @param cookie		Unique identifier of query.

	 * @param client		Player index.

	 * @param result		Result of query that tells one whether or not query was successful.

	 *						See ConVarQueryResult enum for more details.

	 * @param convarName	Name of client convar that was queried.

	 * @param convarValue	Value of client convar that was queried if successful. This will be "" if it was not.

	 * @noreturn

	 */

	public(QueryCookie:cookie, client, ConVarQueryResult:result, const String:cvarName[], const String:cvarValue[])

};

/**

 * Starts a query to retrieve the value of a client's console variable.

 *

 * @param client		Player index.

 * @param name			Name of client convar to query.

 * @param callback		A function to use as a callback when the query has finished.

 * @param value			Optional value to pass to the callback function.

 * @return				A cookie that uniquely identifies the query. 

 *						Returns QUERYCOOKIE_FAILED on failure, such as when used on a bot.

 */

native QueryCookie:QueryClientConVar(client, const String:cvarName[], ConVarQueryFinished:callback, any:value=0);

/**

 * Gets a command iterator.  Must be freed with CloseHandle().

 *

 * @return				A new command iterator.

 */

native Handle:GetCommandIterator();

/**

 * Reads a command iterator, then advances to the next command if any.

 * Only SourceMod specific commands are returned.

 *

 * @param iter			Command iterator Handle.

 * @param name			Name buffer.

 * @param nameLen		Name buffer size.

 * @param eflags		Effective default flags of a command.

 * @param desc			Command description buffer.

 * @param descLen		Command description buffer size.

 * @return				True on success, false if there are no more commands.

 */

native bool:ReadCommandIterator(Handle:iter, 

								String:name[], 

								nameLen, 

								&eflags=0, 

								String:desc[]="", 

								descLen=0);

/**

 * Returns whether a client has access to a given command string.  The string 

 * can also be any override string, as overrides can be independent of 

 * commands.  This important feature essentially allows you to create custom 

 * flags using the override system.

 *

 * @param client		Client index.

 * @param command		Command name.  If the command is not found, the default 

 *						flags are used.

 * @param flags			Flag string to use as a default, if the command or override 

 *						is not found.

 * @param override_only	If true, SourceMod will not attempt to find a matching 

 *						command, and it will only use the default flags specified.

 *						Otherwise, SourceMod will ignore the default flags if 

 *						there is a matching admin command.

 * @return				True if the client has access, false otherwise.

 */

native bool:CheckCommandAccess(client, 

							   const String:command[],

							   flags,

							   bool:override_only=false);

/**

 * Returns true if the supplied character is valid in a ConVar name.

 *

 * @param c			Character to validate.

 * @return			True is valid for ConVars, false otherwise

 */

stock bool:IsValidConVarChar(c)

{

	return (c == '_' || IsCharAlpha(c) || IsCharNumeric(c));