Communications Control Codes
The following control code is used with device input and output.
| Control code | Operation |
|---|---|
| IOCTL_SERIAL_LSRMST_INSERT | Enables or disables placement of a line and modem status data into the data stream. |
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The following control code is used with device input and output.
| Control code | Operation |
|---|---|
| IOCTL_SERIAL_LSRMST_INSERT | Enables or disables placement of a line and modem status data into the data stream. |