[VC]char 和 wchar_t相互转化

1. #include <windows.h>


2. #include <stdio.h>
3. //function: charTowchar


4. //purpose:char to WCHAR 、wchar_t、LPWSTR etc


5. void charTowchar(const
   char *chr, wchar_t *wchar,
   int size)


6. {


7. MultiByteToWideChar( CP_ACP, 0, chr,


8. strlen(chr)+1,
   wchar, size/sizeof(wchar[0]) );


9. }
10. //function: wcharTochar


11. //purpose:WCHAR 、wchar_t、LPWSTR to char


12. void wcharTochar(const
    wchar_t *wchar, char *chr,
    int length)


13. {


14. WideCharToMultiByte( CP_ACP, 0, wchar, -1,


15. chr, length, NULL,
    NULL );


16. }
17. int main (void)


18. {


19. char     
    chr[128];


20. wchar_t   *wchar
    = L"陈鸿钦";
21. //wchar_t to char


22. wcharTochar(wchar, chr,
    sizeof(chr));


23. printf("char is %s\n", chr);
24. //char to wchar_t


25. wchar = (wchar_t
    *)malloc(sizeof(wchar_t) * 64);


26. charTowchar(chr, wchar,
    sizeof(wchar_t) * 64);
27. wprintf_s(L"%s\n", wchar);//


28. getchar();
29. return 0;


30. }
31. Requirements: Ws2_32.lib

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