working with table buffers

static void OneCursor(Args _args)
{
CustTable custTable, newCustTable;
;
select firstonly custTable;

newCustTable = custTable;
}
--
static void TwoCursors(Args _args)
{
CustTable custTable, newCustTable;
;
select firstonly custTable;

newCustTable.data(custTable);
}
--
static void DataDic_MultipleCursors(Args _args)
{
CustTable custTable, newCustTable;
;
while select custTable
{
newCustTable.data(custTable);
//info(newCustTable.AccountNum);
}

}