What is the alternative to the setlocale function of c in D? Thank you.

[FrankLike]

On Sunday, 27 January 2019 at 10:44:04 UTC, John Chapman wrote:
> On Sunday, 27 January 2019 at 06:14:15 UTC, FrankLike wrote:
>> On Saturday, 26 January 2019 at 09:33:33 UTC, John Chapman 
>> wrote:

>>
>>> What has that code got to do with setting the console's font? 
>>> So you need to add more code to accomplish that.
>>
>> You don't need to set the font to achieve the goal, why not?
>
> This should work:
>
> const(char)[] toCodePage(const(char)[] s, uint codePage = 0) {
>   import core.sys.windows.winnls, std.utf;
>
>   foreach (char c; s) {
>     if (c >= 0x80) {
>       auto temp = s.toUTF16z();
>       char[] result;
>       if ((result.length = WideCharToMultiByte(codePage, 0, 
> temp, -1, null, 0, null, null)) != 0)
>         WideCharToMultiByte(codePage, 0, temp, -1, result.ptr, 
> cast(int)result.length, null, null);
>       return result;
>     }
>   }
>   return s;
> }
>
> void main() {
>   import core.sys.windows.wincon, std.stdio;
>
>   SetConsoleOutputCP(936); // Simplified Chinese codepage
>   writeln("字符".toCodePage(936));
> }
Yes.
////////////////////////////////////////
extern(C) int setlocale(int,char*);

static this()
{
	import core.stdc.wchar_;
	import core.stdc.stdio;
	fwide(core.stdc.stdio.stdout,1);
	setlocale(0,cast(char*)"china");
}
///////////////////////////////////////////
it's simple than yours,and don't need convert every string,why 
not work after D2.0.78.1?