WslRegisterDistribution

// Api-ms-win-wsl-api-l1-1-0.dll
#include <windows.h>

HRESULT WslRegisterDistribution(
    LPCWSTR distributionName,
    LPCWSTR tarGzFilename
);

<DllImport("Api-ms-win-wsl-api-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function WslRegisterDistribution(
    <MarshalAs(UnmanagedType.LPWStr)> distributionName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> tarGzFilename As String   ' LPCWSTR
) As Integer
End Function

' distributionName : LPCWSTR
' tarGzFilename : LPCWSTR
Declare PtrSafe Function WslRegisterDistribution Lib "api-ms-win-wsl-api-l1-1-0" ( _
    ByVal distributionName As LongPtr, _
    ByVal tarGzFilename As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WslRegisterDistribution = ctypes.windll.LoadLibrary("Api-ms-win-wsl-api-l1-1-0.dll").WslRegisterDistribution
WslRegisterDistribution.restype = ctypes.c_int
WslRegisterDistribution.argtypes = [
    wintypes.LPCWSTR,  # distributionName : LPCWSTR
    wintypes.LPCWSTR,  # tarGzFilename : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Api-ms-win-wsl-api-l1-1-0.dll')
WslRegisterDistribution = Fiddle::Function.new(
  lib['WslRegisterDistribution'],
  [
    Fiddle::TYPE_VOIDP,  # distributionName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # tarGzFilename : LPCWSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-wsl-api-l1-1-0")]
extern "system" {
    fn WslRegisterDistribution(
        distributionName: *const u16,  // LPCWSTR
        tarGzFilename: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("Api-ms-win-wsl-api-l1-1-0.dll")]
public static extern int WslRegisterDistribution([MarshalAs(UnmanagedType.LPWStr)] string distributionName, [MarshalAs(UnmanagedType.LPWStr)] string tarGzFilename);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Api-ms-win-wsl-api-l1-1-0_WslRegisterDistribution' -Namespace Win32 -PassThru
# $api::WslRegisterDistribution(distributionName, tarGzFilename)

#uselib "Api-ms-win-wsl-api-l1-1-0.dll"
#func global WslRegisterDistribution "WslRegisterDistribution" sptr, sptr
; WslRegisterDistribution distributionName, tarGzFilename   ; 戻り値は stat
; distributionName : LPCWSTR -> "sptr"
; tarGzFilename : LPCWSTR -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "Api-ms-win-wsl-api-l1-1-0.dll"
#cfunc global WslRegisterDistribution "WslRegisterDistribution" wstr, wstr
; res = WslRegisterDistribution(distributionName, tarGzFilename)
; distributionName : LPCWSTR -> "wstr"
; tarGzFilename : LPCWSTR -> "wstr"

; HRESULT WslRegisterDistribution(LPCWSTR distributionName, LPCWSTR tarGzFilename)
#uselib "Api-ms-win-wsl-api-l1-1-0.dll"
#cfunc global WslRegisterDistribution "WslRegisterDistribution" wstr, wstr
; res = WslRegisterDistribution(distributionName, tarGzFilename)
; distributionName : LPCWSTR -> "wstr"
; tarGzFilename : LPCWSTR -> "wstr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	api_ms_win_wsl_api_l1_1_0 = windows.NewLazySystemDLL("Api-ms-win-wsl-api-l1-1-0.dll")
	procWslRegisterDistribution = api_ms_win_wsl_api_l1_1_0.NewProc("WslRegisterDistribution")
)

// distributionName (LPCWSTR), tarGzFilename (LPCWSTR)
r1, _, err := procWslRegisterDistribution.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(distributionName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(tarGzFilename))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WslRegisterDistribution(
  distributionName: PWideChar;   // LPCWSTR
  tarGzFilename: PWideChar   // LPCWSTR
): Integer; stdcall;
  external 'Api-ms-win-wsl-api-l1-1-0.dll' name 'WslRegisterDistribution';

result := DllCall("Api-ms-win-wsl-api-l1-1-0\WslRegisterDistribution"
    , "WStr", distributionName   ; LPCWSTR
    , "WStr", tarGzFilename   ; LPCWSTR
    , "Int")   ; return: HRESULT

●WslRegisterDistribution(distributionName, tarGzFilename) = DLL("Api-ms-win-wsl-api-l1-1-0.dll", "int WslRegisterDistribution(char*, char*)")
# 呼び出し: WslRegisterDistribution(distributionName, tarGzFilename)
# distributionName : LPCWSTR -> "char*"
# tarGzFilename : LPCWSTR -> "char*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。