1. char * to     atof atoi atol  _atof_l
2. wchar_t* to  _wtoi _wtof
3. TCHAR* to  _ttof _ttoi
4. sprintf  _stprintf swprintf
5. C(A)2(B)  AB 可以是W,A,T
6. strlen _tcslen wcslen
7. https://docs.microsoft.com/zh-cn/cpp/c-runtime-library/reference/wcstombs-wcstombs-l?f1url=%3FappId%3DDev14IDEF1%26l%3DZH-CN%26k%3Dk(STDLIB%252Fwcstombs);k(wcstombs);k(DevLang-C%252B%252B);k(TargetOS-Windows)%26rd%3Dtrue&view=msvc-160