Pawn protected for crash bots

#define MAX_PLAYERS_SAME_IP 4

public OnPlayerConnect(playerid)
{
    new IP[16],str[10];
    GetPlayerIp(playerid, IP, sizeof(IP));
    new pocet;
    for(new i; i < MAX_PLAYERS; i ++)
    {
        new str2[21];
        format(str,sizeof(str),"IP_%i",i);
        GetPVarString(playerid,str,str2,sizeof(str2));
        if(IsPlayerConnected(i))
        {
            if(!strcmp(str2,IP, true))
            {
                pocet ++;
                if(pocet > MAX_PLAYERS_SAME_IP)
                {
                    Kick(playerid);
                    break;
                }
            }
        }
    }
    format(str,sizeof(str),"IP_%i",playerid);
    SetPVarString(playerid,str,IP);
    return 1;
}

public OnPlayerDisconnect(playerid, reason)
{
    new IP[21];
    format(IP,sizeof(IP),"IP_%i",playerid);
    DeletePVar(playerid,IP);
    return 1;
}