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ccomms.oxh
| KCapsSignalCTSSupported& | The serial device has an CTS input control line | 
| KCapsSignalDSRSupported& | TThe serial device has an DSR input control line | 
| KCapsSignalDCDSupported& | The serial device has an DCD input control line | 
| KCapsSignalRNGSupported& | The serial device has an RNG input control line | 
| KCapsSignalRTSSupported& | The serial device has an RTS output control line | 
| KCapsSignalDTRSupported& | The serial device has an DTR output control line | 
Signal line constants, CommCapsSignals
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