stock gangZoneName(playerid) {
    new nome[24] = "N/A";
        if(IsPlayerInArea(playerid, minx, miny, maxx, maxy)) { //dos ballas
        nome = "Ballas";
        }
        else if(IsPlayerInArea(playerid, minx, miny, maxx, maxy)) { //dos grove
        nome = "Grove Street";
        }
        /// sucessivamente

    return nome;
}
stock isValidGang(playerid) {
        if(PlayerInfo[playerid][pMember] == 8 || PlayerInfo[playerid][pLeader] == 8) return 1; //ballas
        if(PlayerInfo[playerid][pMember] == 9 || PlayerInfo[playerid][pLeader] == 9) return 1; //vagos
        return 0;
}

stock getMember(playerid) {
        new nome[24] = "Invalido";
        if(PlayerInfo[playerid][pMember] == 8 || PlayerInfo[playerid][pLeader] == 8) return nome = "Ballas";
    if(PlayerInfo[playerid][pMember] == 9 || PlayerInfo[playerid][pLeader] == 9) return nome = "Vagos";
        return nome;
}
stock InGangzone(playerid) {
    if(IsPlayerInArea(....)) return 1;// gangzone ballas
    if(IsPlayerInArea(....)) return 1;// gangzone vagos
    return 0;
}
if(IsValidGang(playerid) && InGangzone(playerid) {
    format(string, sizeof(string), "%s dominou a gangzone dos %s!", getMember(playerid), gangZoneName(playerid));
        SendClientMessage(playerid, -1, string);
}