Создание .dll в MSVC 2010 в чем ошибка?

#ifndef LVS_PlugH
#define LVS_PlugH
 
//***************************************************************************
 
#define __expimp __declspec(dllexport)
 
//***************************************************************************
 
typedef unsigned short WORD;
 
//***************************************************************************
 
typedef struct
{
const char
  * Name;
short
  Min, Max, Def, Cff;
}
  SParam;
 
typedef struct
{
short
  X, Y;
}
  SPoint;
 
//***************************************************************************
 
#ifdef __cplusplus
extern "C"
{
#endif
 
__expimp const char *  __fastcall lvs_GetName ( void );
 
int __expimp __fastcall lvs_GetParamCount ( void );
 
SParam __expimp __fastcall lvs_GetParam ( int ParamNo );
 
int __expimp __fastcall lvs_Process ( WORD * PxlsIn, WORD * PxlsOut, int PxlsWd, int PxlsHt, SPoint * PntsIn, int PntsInCnt, SPoint * PntsOut, int PntsOutCnt, double * Params );
 
#ifdef __cplusplus
}
#endif
 
//***************************************************************************
 
#endif // LVS_PlugH