[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