2 3 / . , /, ASCII Unicode, , . .
.
Win32
, Windows , [5] [31]. , , , Windows 95 Windows NT.
Microsoft Visual C++ , , Microsoft http://www.microsoft.com, , Windows. MSDN (Microsoft Developer's Network) . , , , .
Win64
Win64 , Microsoft.
Windows NT
, Windows NT , , [38]. , , , , /. , API, Windows 9x . . , [9] [37], NT.
UNIX
[40], (W. Richard Stevens), UNIX , Windows. - UNIX, . UNIX , , UNIX, Linux. / / UNIX, Windows.
UNIX, [29] [49], , , , .