#if !defined  _USB_COM_FINDER_H_
#define		  _USB_COM_FINDER_H_

#include <objbase.h>
//#include <initguid.h>


#ifdef __cplusplus
extern "C" {
#endif

    extern BOOL __stdcall GetPresentDevicePath(GUID guid,
					                 const char * pPID,
					                 const char * pVID,
					                 unsigned long index,
					                 char *pPortName,
					                 unsigned long portNameLength,
					                 unsigned long * portNameRealLength,
					                 char *pSymbolicName,
					                 unsigned long symbolicLength,
					                 unsigned long * symbolicRealLength);
	
	extern unsigned long __stdcall GetDeviceNumber(GUID guid, const char * p_pid, const char * p_vid);

#ifdef __cplusplus
};
#endif



#endif		  //_USB_COM_FINDER_H_