| BuildCommDCB |
Fills a device control block with control codes. |
| ClearCommBreak |
Clears the break state from a communications device. |
| CloseComm |
Closes a communications device after transmitting the current buffer. |
| EnableCommNotification |
Enables/disables WM_COMMNOTIFY posting to window. |
| EscapeCommFunction |
Directs a device to carry out an extended function. |
| FlushComm |
Flushes characters from a communications device. |
| GetCommError |
Fills a buffer with the communication status. |
| GetCommEventMask |
Retrieves and then clears an event mask. |
| GetCommState |
Fills a buffer with a device control block. |
| OpenComm |
Opens a communications device. |
| ReadComm |
Reads the bytes from a communications device into a buffer. |
| SetCommBreak |
Sets a break state on a communications device. |
| SetCommEventMask |
Retrieves and then sets an event mask on a communications device. |
| SetCommState |
Sets a communications device to the state specified by the device control block. |
| TransmitCommChar |
Places a character at the head of the transmit queue. |
| UngetCommChar |
Specifies which character will be read next. |
| WriteComm |
Writes the bytes from a buffer to a communications device. |