?? device.h
字號:
#ifndef __DEVICE_H__
#define __DEVICE_H__
class CDevice
{
protected:
int m_nOpened;
public:
virtual int DeviceIoControl(int nCtrlCode, void* pInput, void* pOutput) = 0;
virtual int OpenDevice(int nMode) = 0;
virtual void CloseDevice() = 0;
virtual int ReadDevice(char* pBuf, unsigned int nLen, void* pParam) = 0;
virtual int WriteDevice(char* pData, unsigned int nLen, void* pParam) = 0;
};
#endif
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