请教一个C++的编译错误

netdzb

#define _UNICODE USED
#define  UNICODE USED
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <windows.h>
#include <tchar.h>

#if !defined(WIN32) && !defined(__WIN32__)
#error Only run on windows system
#endif

#if defined(_MSC_VER)
#include <Gdiplus.h>
#pragma comment(lib, "Gdi32.lib")
#pragma comment(lib, "Gdiplus.lib")
#pragma comment(lib, "Ole32.lib")
#else
#include <gdiplus\gdiplus.h>
#ifndef bool
#include <stdbool.h>
#endif
#endif


static const TCHAR* IMAGE_TYPE[] = {_T("image/bmp"), _T("image/jpeg"), _T("image/gif"), _T("image/tiff"), _T("image/png"), NULL};
static const TCHAR* IMAGE_SUFFIX[] = {_T(".bmp"), _T(".jpg"), _T(".gif"), _T(".tif"), _T(".png"), NULL};

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g++ -c ex01.cpp -municode
编译报错啊，编译环境是gcc 8.3的32位环境。