public OnPlayerCommandText(playerid, cmdtext[])
{
	new Float:x, Float:y, Float:z;
	new Float:q, Float:w, Float:e;
	new deton;
	GetObjectPos(deton, q,w,e);
	if (strcmp("/detonate", cmdtext, true, 10) == 0)
	{
		GetPlayerPos(playerid, x,y,z);
		deton = CreateObject(1252,x,y,z,0,0,0);
		GameTextForPlayer(playerid, "Bomb planted!",2000,3);
		return 1;
	}
	if (strcmp("/defuse", cmdtext, true, 10) == 0)
	{
		if(IsPlayerInRangeOfPoint(playerid, 10.5,q,w,e))
		{
		TextDrawShowForPlayer(playerid,Textdraw0[playerid]);
		TextDrawShowForPlayer(playerid,Textdraw1[playerid]);
		TextDrawShowForPlayer(playerid,Textdraw2[playerid]);
		GameTextForPlayer(playerid, "Defusing bomb!",2000,3);
		taim = SetTimer("defuse",50,true);
		playerid = defid;
		}
		else
		{
		GameTextForPlayer(playerid, "You need to be near the bomb!",2000,3);
		}
		return 1;
	}
	return 0;
}

public OnPlayerCommandText(playerid, cmdtext[])

new Float:PlayerBombX[MAX_PLAYERS], Float:PlayerBombY[MAX_PLAYERS], Float:PlayerBombZ[MAX_PLAYERS]; // This will create a variable where you can place your float wich you get from the function
// And of course you'll need one for each thing, x,y and z

//and here come rest of the code like 
OnGameModeInit(){//etc
}

GetPlayerPos(playerid, PlayerBombX[playerid], PlayerBombY[playerid], PlayerBombZ[playerid]

//and on the defuse you'll do
IsPlayerInRangeOfPoint(playerid, 10.5,PlayerBombX[playerid], PlayerBombY[playerid], PlayerBombZ[playerid])

//and on the detonate you'll do like
CreateExplosion(PlayerBombX[playerid], PlayerBombY[playerid], PlayerBombZ[playerid]); // I don't know if that's the right function but you'll get the point i hope :)