int GetCommState(nCid,lpDCB)
This function fills the buffer pointed to by the lpDCB parameter with the device control block of the communication device specified by the nCid parameter.
Parameter | Type/Description |
nCid | int Specifies the device to be examined. The OpenComm function returns this value. | |
lpDCB | DCB FAR * Points to the DCB data structure that is to receive the current device control block. The structure defines the control setting for the device. |
The return value specifies the outcome of the function. It is zero if the function was successful. If an error occurred, the return value is negative.