AllocateOverStructEx CallBeginning CallEnding CancelUnimodemTimer CreateOverStructPool CreateUnimodemTimer DestroyOverStructPool FreeOverStruct FreeUnimodemTimer MonitorHandle ReinitOverStruct ResetCallCount SetUnimodemTimer StartMonitorThread StopMonitorThread StopMonitoringHandle SyncDeviceIoControl UmPlatformDeinitialize UmPlatformInitialize UnimodemDeviceIoControlEx UnimodemNotifyTSP UnimodemQueueUserAPC UnimodemReadFileEx UnimodemWaitCommEventEx UnimodemWriteFileEx WinntIsWorkstation