wchar_t 和 char

1. #include?<windows.h>??
2. #include?<stdio.h>??
3. ??
4. //function:?charTowchar??
5. //purpose:char?to?WCHAR?、wchar_t、LPWSTR?etc??
6. void?charTowchar(const?char?*chr,?wchar_t?*wchar,?int?size)??
7. {?????
8. ????MultiByteToWideChar(?CP_ACP,?0,?chr,??
9. ????????strlen(chr)+1,?wchar,?size/sizeof(wchar[0])?);??
10. }??
11. ??
12. //function:?wcharTochar??
13. //purpose:WCHAR?、wchar_t、LPWSTR?to?char??
14. void?wcharTochar(const?wchar_t?*wchar,?char?*chr,?int?length)??
15. {??
16. ????WideCharToMultiByte(?CP_ACP,?0,?wchar,?-1,??
17. ????????chr,?length,?NULL,?NULL?);??
18. }??
19. ??
20. int?main?(void)??
21. {??
22. ????char?????chr[128];??
23. ????wchar_t??*wchar?=?L"陳鴻欽";??
24. ??????
25. ??
26. ????//wchar_t?to?char??
27. ????wcharTochar(wchar,?chr,?sizeof(chr));??
28. ????printf("char?is?%s\n",?chr);??
29. ??
30. ????//char?to?wchar_t??
31. ????wchar?=?(wchar_t?*)malloc(sizeof(wchar_t)?*?64);??
32. ????charTowchar(chr,?wchar,?sizeof(wchar_t)?*?64);??
33. ??????
34. ????wprintf_s(L"%s\n",?wchar);//??
35. ????getchar();??
36. ??
37. ????return?0;??
38. }?