function FindNextModemRecord : TLmModemRecord;
FindNextModemRecord locates the next modem record in the modemcap index.
Once FindModemRecord locates a modem record in the modemcap index, FindNextModemRecord will return the next matching modem.
The return value will be a TLmModemRecord containing the next matching modem. If no more modems match the search criteria, FindNextModemRecord will return nil.
See also: FindModem, FindNextModem, FindModemRecord