ioctl12.hlp (Topic list)
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ASYNC_GETLINECTRL (1.2)
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#define INCL_DOSDEVIOCTL
 
USHORT DosDevIOCtl(pbLineCtrl, 0L, 0x0062, 0x0001, hDevice)
PBYTE pbLineCtrl;    /* pointer to structure for control settings */
HFILE hDevice;       /* device handle                             */
 
The ASYNC_GETLINECTRL function retrieves the line characteristics (stop
bits, parity, data bits, break) for the specified device.
 
Parameter   Description
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pbLineCtrl  Points to a LINECONTROL structure that receives the settings for
            the number of data bits, parity, and number of stop bits.
 
hDevice     Identifies the serial device that receives the device-control
            function. The handle must have been created previously by using
            the DosOpen function.
 
Return Value
 
The return value is zero if the function is successful or an error value if
an error occurs.
 
See Also
 
DosOpen, ASYNC_SETLINECTRL, LINECONTROL
 
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