C/C++寫DLL時頭文件的一般格式

#ifndef _READER_API_
#define _READER_API_


#ifdef _DLL_EXPORT_
#define READER_API __declspec(dllexport)
#else
#define READER_API __declspec(dllimport)
#endif


#ifdef __cplusplus
extern "C" 
{
#endif

	READER_API int rfidRead(INT32U serial_com_port,INT16U bank,INT16U offset,INT16U count,char* data);
	READER_API int rfidWrite(INT32U serial_com_port,INT16U bank,INT16U offset,INT16U count,char* data);

#ifdef __cplusplus
};
#endif
	

#endif