#include <windows.h>
#include <stdio.h>

int compareStringsIgnoreCase(const wchar_t* str1, const wchar_t* str2) {
    // 正規化した文字列を格納するためのバッファ
    wchar_t normalizedStr1[256];
    wchar_t normalizedStr2[256];

    // 文字列を正規化
    int len1 = FoldString(MAP_FOLDDIGITS | MAP_FOLDCZONE,
        str1, -1, normalizedStr1, sizeof(normalizedStr1) / sizeof(normalizedStr1[0]));
    int len2 = FoldString(MAP_FOLDDIGITS | MAP_FOLDCZONE,
        str2, -1, normalizedStr2, sizeof(normalizedStr2) / sizeof(normalizedStr2[0]));

    // 文字列を比較
    int result = _wcsicmp(normalizedStr1, normalizedStr2);

    return result;
}

int main() {
    const wchar_t* string1 = L"Hello World";
    const wchar_t* string2 = L"ｈｅｌｌｏ ｗｏｒｌｄ";

    // 文字列を比較
    int result = compareStringsIgnoreCase(string1, string2);

    if (result == 0) {
        wprintf(L"The strings are equal.\n");
    }
    else if (result < 0) {
        wprintf(L"String 1 is less than String 2.\n");
    }
    else {
        wprintf(L"String 1 is greater than String 2.\n");
    }

    return 0;
}