The following functions are used with communications devices.
Function |
Description |
BuildCommDCB |
Fills a specified DCB structure with values specified in a device-control string. |
BuildCommDCBAndTimeouts |
Translates a device-definition string into appropriate device-control block codes and places them into a device control block. |
ClearCommBreak |
Restores character transmission for a specified communications device and places the transmission line in a nonbreak state. |
ClearCommError |
Retrieves information about a communications error and reports the current status of a communications device. |
CommConfigDialog |
Displays a driver-supplied configuration dialog box. |
EscapeCommFunction |
Directs a specified communications device to perform an extended function. |
GetCommConfig |
Retrieves the current configuration of a communications device. |
GetCommMask |
Retrieves the value of the event mask for a specified communications device. |
GetCommModemStatus |
Retrieves modem control-register values. |
GetCommProperties |
Retrieves information about the communications properties for a specified communications device. |
GetCommState |
Retrieves the current control settings for a specified communications device. |
GetCommTimeouts |
Retrieves the time-out parameters for all read and write operations on a specified communications device. |
GetDefaultCommConfig |
Retrieves the default configuration for the specified communications device. |
PurgeComm |
Discards all characters from the output or input buffer of a specified communications resource. |
SetCommBreak |
Suspends character transmission for a specified communications device and places the transmission line in a break state. |
SetCommConfig |
Sets the current configuration of a communications device. |
SetCommMask |
Specifies a set of events to be monitored for a communications device. |
SetCommState |
Configures a communications device according to the specifications in a device-control block. |
SetCommTimeouts |
Sets the time-out parameters for all read and write operations on a specified communications device. |
SetDefaultCommConfig |
Sets the default configuration for a communications device. |
SetupComm |
Initializes the communications parameters for a specified communications device. |
TransmitCommChar |
Transmits a specified character ahead of any pending data in the output buffer of the specified communications device. |
WaitCommEvent |
Waits for an event to occur for a specified communications device. |