字符通用函数和单字节多字节版本
| Tchar.h 例程 | 未定义 _UNICODE 和 _MBCS | 已定义 _MBCS | 已定义 _UNICODE |
| _tprintf | printf | printf | wprintf |
| _tprintf_l | _printf_l | _printf_l | _wprintf_l |
| _tprintf_s | printf_s | printf_s | wprintf_s |
| _tprintf_s_l | _printf_s_l | _printf_s_l | _wprintf_s_l |
| _tcslen | strlen | strlen | wcslen |
| _tcsclen | strlen | _mbslen | wcslen |
| _tcsclen_l | strlen | _mbslen_l | wcslen |
| _stprintf | sprintf | sprintf | _swprintf |
| _stprintf_l | _sprintf_l | _sprintf_l | __swprintf_l |
| _tcscpy | strcpy | _mbscpy | wcscpy |
| _tcscpy_s | strcpy_s | _mbscpy_s | wcscpy_s |
| _tcscat | strcat | _mbscat | wcscat |
| _tcscmp | strcmp | _mbscmp | wcscmp |

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