27.C语言宽字符操作

#include <locale.h>

setlocale(LC_ALL, "zh-CN");
    wchar_t wch = L'我';
    putwchar(wch);

#define _CRT_SECURE_NO_WARNINGS
#include <string.h>
#include <stdio.h>
#include <locale.h>
#include <Windows.h>

//求长度
int mywcslen(wchar_t *wstr)
{
    int i = 0;
    while (*wstr != '')
    {
        i++;
        wstr++;
    }
    return i;
}

//COPY
wchar_t *mywcscpy(wchar_t *dest, const wchar_t *source)
{
    if (dest == NULL || source == NULL)
    {
        return NULL;
    }
    else
    {
        wchar_t *pdest = dest;

        while ((*pdest++) = (*source++))
        {

        }
        return dest;
    }
}

void main()
{
    //本地化
    setlocale(LC_ALL, "zh-CN");//设定中文
    wchar_t wch[10] = L"好文要顶";

    wchar_t tmp[10];
    mywcscpy(tmp, wch);

    //输出宽字符
    wprintf(L"%ls", tmp);

    //长度
    int length = wcslen(wch);
    printf("%d", length);

    system("pause");
}