Siemens M20 Terminal Technical Description page 179

Siemens Information and Communication Products
See also SetCommState, DCB
8.4.2.2 int ClearCommBreak(idComDev)
int idComDev;
The ClearCommBreak function restores character transmission and places the communications device in a non-break
state.
int ClearCommBreak(idComDev)
Parameter Description
idComDev Identifies the communications device to be restored. The OpenComm function returns this value.
Return value 0 if the function is successful
-1 if the idComDev parameter does not identify a valid device.
Example None
Comments This function clears the communications device break state set by the SetCommBreak function.
See also OpenComm, SetCommBreak
Version 8 dated 15.03.00
/* device to be restored */
Application notes
A
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