(a)
IrStatus IrDiscoverReq(UInt refNum, IrConnect *con);

(b)
IrStatus IrConnectIrLap(Uint refnum, IrDeviceAddr deviceAddr);

(c)
IrStatus IrDisconnectIrLap (UInt refnum);

Example 2: (a) IrDiscoverReq() prototype; (b) starting a connection using IrConnectIrLap(); (c) IrDisconnectIrLap()'s prototype.