public OnPlayerCommandText(playerid, cmdtext[])
{
	if (strcmp(cmdtext, "/lock", true)==0)
		{
			if(IsPlayerInAnyVehicle(playerid))
			{
				new State=GetPlayerState(playerid);
				if(State!=PLAYER_STATE_DRIVER)
				{
					SendClientMessage(playerid,0xFFFF00AA,"You can only lock the doors as the driver.");
					return 1;
				}
				new i;
				for(i=0;i<MAX_PLAYERS;i++)
				{
					if(i != playerid)
					{
						SetVehicleParamsForPlayer(GetPlayerVehicleID(playerid),i, 0, 1);
					}
				}
				SendClientMessage(playerid, 0xFFFF00AA, "Vehicle locked!");
		    	new Float:pX, Float:pY, Float:pZ;
				GetPlayerPos(playerid,pX,pY,pZ);
				PlayerPlaySound(playerid,1056,pX,pY,pZ);
				locked[playerid][GetPlayerVehicleID(playerid)] = 1;
			}

if (strcmp(cmdtext, "/unlock", true)==0)
		{
			if(IsPlayerInAnyVehicle(playerid))
			{
				new State=GetPlayerState(playerid);
				if(State!=PLAYER_STATE_DRIVER)
				{
					SendClientMessage(playerid,0xFFFF00AA,"You can only lock the doors as the driver.");
					return 1;
				}
				new i;
				for(i=0;i<MAX_PLAYERS;i++)
				{
					SetVehicleParamsForPlayer(GetPlayerVehicleID(playerid),i, 0, 0);
				}
				SendClientMessage(playerid, 0xFFFF00AA, "Vehicle unlocked!");
				new Float:pX, Float:pY, Float:pZ;
				GetPlayerPos(playerid,pX,pY,pZ);
				PlayerPlaySound(playerid,1057,pX,pY,pZ);
				locked[playerid][GetPlayerVehicleID(playerid)] = 0;
			}

C:\Documents and Settings\Sandu\Desktop\Untitled.pwn(1) : error 010: invalid function or declaration
C:\Documents and Settings\Sandu\Desktop\Untitled.pwn(3) : error 013: Unknown Directive