Unicode TCHAR

strcpy   => _tcscpy
strcpy_s => _tcscpy_s

strlen  => _tcslen
strtol  => _tcstol
strtok_s => _tcstok_s

"xxxx"  => _T("xxxx") or _TEXT("xxxx")

sprintf => _stprintf
frpintf => _ftprintf

fopen   => _tfopen
fgets   => _fgetts
fseek,fgetpos,fcloseはそのまま      

TCHARと_TCHAR
_TCHARにしておく。

fopen("newfile.txt", "rw, ccs=");
encodeに、UTF-8、UNICODE、UTF-16LEが指定できる。