#include <iostream>
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <wchar.h>

int main()
{
    FILE* f;
    wchar_t str[BUFFER_SIZE];
    size_t  strSize;

    if ((f = _wfopen( L"d:\\1.txt",L"wb")) == NULL) // C4996
    {
        wprintf(L"_wfopen failed!\n");
        return(0);
    }

    if (fclose(f))
    {
        wprintf(L"fclose failed!\n");
    }
    return 0;
}