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//****************************************************************************
//
// File: mcxioctl.h
// Content: This file contains the declaration for Unimodem
// DeviceIOControl.
//
// Copyright (c) 1992-1995, Microsoft Corporation, all rights reserved
//
//****************************************************************************
#ifndef _MCXIOCTL_H_
#define _MCXIOCTL_H_
// DeviceIOControl Input/Output structure
//
typedef struct tagMdmIn {
DWORD dwPendingID;
DWORD dwParam;
CHAR szAddress[1];
} MDM_IN, *PMDM_IN;
typedef struct tagMdmOut {
DWORD dwResult;
} MDM_OUT, *PMDM_OUT;
// DeviceIOControl operations
//
#define IOCTL_UMDM_INIT 1
#define IOCTL_UMDM_DIAL 2
#define IOCTL_UMDM_START_MONITOR 3
#define IOCTL_UMDM_STOP_MONITOR 4
#define IOCTL_UMDM_START_MONITOR_DISCONNECT 5
#define IOCTL_UMDM_STOP_MONITOR_DISCONNECT 6
#define IOCTL_UMDM_ANSWER 7
#define IOCTL_UMDM_HANGUP 8
#define IOCTL_UMDM_PASSTHOUGH 9
#define IOCTL_UMDM_GETLINKSPEED 10
// Monitor modes for IOCTL_UMDM_START_MONITOR
//
#define MONITOR_NON_CONTINUOUS 0
#define MONITOR_CONTINUOUS 1
// Passthrough modes for IOCTL_UMDM_PASSTHROUGH
//
#define PASSTHROUGH_ON 1
#define PASSTHROUGH_OFF 2
#define PASSTHROUGH_OFF_BUT_CONNECTED 3
// DeviceIOControl operation result
//
#define MDM_SUCCESS 0
#define MDM_CANCEL 1
#define MDM_FAILURE 2
#define MDM_HANGUP 3
#define MDM_BUSY 4
#define MDM_NOANSWER 5
#define MDM_NOCARRIER 6
#define MDM_NODIALTONE 7
// Invalid Pending operation ID
//
#define MDM_ID_NULL 0xFFFFFFFF
#endif // _MCXIOCTL_H_
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