[Yiin]

Код:

stock IsPlayerInZone(playerid, zone[]) 
{
        new TmpZone[MAX_ZONE_NAME];
        GetPlayer3DZone(playerid, TmpZone, sizeof(TmpZone));
        if( ! strcmp(TmpZone, zone, true) )
            return 1;
        return 0;
}

better use this one stock..