Error: expected constructor, destructor or type conversion before '(' token

please help me out to remove this error....

#ifndef _DICOM_IO_H
#define _DICOM_IO_H

#ifdef DICOM_IO_EXPORTS
#define _DECL_SPEC extern "C" __declspec(dllexport)
#define _DECL_SPEC __declspec(dllexport)
#else
#define _DECL_SPEC __declspec(dllimport)
#endif

line 11_DECL_SPEC int __stdcall  ReadImage(char *pucInputImagePath, unsigned char              **ppImageData,	unsigned int *puiWidth, unsigned int *puiHeight,int iRescaleMin =-1,int iRescaleMax =-1);
line 14_DECL_SPEC int __stdcall  LoadImageSeries(char *pucInputImageFolderPath, int* pSliceCnt, unsigned char ***pppImageData,unsigned int *puiWidth, unsigned int *puiHeight,int iRescaleMin =-1, int iRescaleMax =-1);
line 18_DECL_SPEC int __stdcall  ReadImage(char *pucInputImagePath, unsigned short **ppImageData,unsigned int *puiWidth, unsigned int *puiHeight,int iRescaleMin =-1, int iRescaleMax =-1);
line 21_DECL_SPEC int __stdcall  LoadImageSeries(char *pucInputImageFolderPath, int* pSliceCnt, unsigned short ***pppImageData,unsigned int *puiWidth, unsigned int *puiHeight,int iRescaleMin =-1, int iRescaleMax =-1);

line 26_DECL_SPEC void* __stdcall  LoadImageSeries(char *pucInputImageFolderPath, int* pSliceCnt);
line 27_DECL_SPEC int __stdcall  ReadImageSlice(void* ImgSeriesHandle, unsigned int uiSliceNumber, unsigned short **ppfImageData,unsigned int *puiWidth, unsigned int *puiHeight);

#endif

Error : expected constructor, destructor, or type conversion before ‘(’ token HelloEclipse line 11 C/C++ Problem
Error : expected constructor, destructor, or type conversion before ‘(’ token HelloEclipse line 14 C/C++ Problem
Error : expected constructor, destructor, or type conversion before ‘(’ token HelloEclipse line 18 C/C++ Problem
Error : expected constructor, destructor, or type conversion before ‘(’ token HelloEclipse line 21 C/C++ Problem
Error : expected constructor, destructor, or type conversion before ‘(’ token HelloEclipse line 26 C/C++ Problem
Error : expected constructor, destructor, or type conversion before ‘(’ token HelloEclipse line 27 C/C++ Problem

suse