Support UTF-8 on Windows 95, 98 and ME systems.
Converts the UTF-8 string s into a null-terminated string in a Windows 8-bit character set.
| const(char)[] s | UTF-8 string to convert. | 
| uint codePage | is the number of the target codepage, or 0 - ANSI, 1 - OEM, 2 - Mac | 
Converts the null-terminated string s from a Windows 8-bit character set into a UTF-8 char array.
| immutable(char)* s | UTF-8 string to convert. | 
| int codePage | is the number of the source codepage, or 0 - ANSI, 1 - OEM, 2 - Mac | 
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Licensed under the Boost License 1.0.
    https://dlang.org/phobos/std_windows_charset.html