| 16-bit API | Win-32 API |
|---|---|
| OpenComm | CreateFile
|
| CloseComm | CloseHandle |
| FlushComm | PurgeComm |
| GetComError | ClearCommError |
| ReadComm | ReadFile |
| WriteComm | WriteFile |
| SetCommEventMask | SetCommMask |
| GetCommEventMask | GetCommMask |
| EnableCommEventNotification | WaitComEvent* |
| UngetCommChar | -None- |
| *WaitCommEvent will not post WM_COMMNOTIFY messages | |