)
Values for VCOMM (VxD ID 002Bh) service number:
0000h "VCOMM_Get_Version"
0001h "_VCOMM_Register_Port_Driver"
0002h "_VCOMM_Acquire_Port"
0003h "_VCOMM_Release_Port"
0004h "_VCOMM_OpenComm"
0005h "_VCOMM_SetCommState"
0006h "_VCOMM_GetCommState"
0007h "_VCOMM_SetupComm"
0008h "_VCOMM_TransmitCommChar"
0009h "_VCOMM_CloseComm"
000Ah "_VCOMM_GetCommQueueStatus"
000Bh "_VCOMM_ClearCommError"
000Ch "_VCOMM_GetModemStatus"
000Dh "_VCOMM_GetCommProperties"
000Eh "_VCOMM_EscapeCommFunction"
000Fh "_VCOMM_PurgeComm"
0010h "_VCOMM_SetCommEventMask"
0011h "_VCOMM_GetCommEventMask"
0012h "_VCOMM_WriteComm"
0013h "_VCOMM_ReadComm"
0014h "_VCOMM_EnableCommNotification"
0015h "_VCOMM_GetLastError"
0016h "_VCOMM_Steal_Port"
0017h "_VCOMM_SetReadCallBack"
0018h "_VCOMM_SetWriteCallBack"
0019h "_VCOMM_GetSetCommTimeouts"
001Ah "_VCOMM_SetWriteRequest"
001Bh "_VCOMM_SetReadRequest"
001Ch "_VCOMM_Dequeue_Request"
001Dh "_VCOMM_Dequeue_Request"
001Eh "_VCOMM_Enumerate_DevNodes"
001Fh "VCOMM_Map_Win32DCB_To_Ring0"
0020h "VCOMM_Map_Ring0DCB_To_Win32"
0021h "_VCOMM_Get_Contention_Handler"
0022h "_VCOMM_Map_Name_To_Resource"
SeeAlso: #01293,#01295