udat_adoptNumberFormatForFields

// icuin.dll
#include <windows.h>

void udat_adoptNumberFormatForFields(
    void** fmt,
    const WORD* fields,
    void** numberFormatToSet,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub udat_adoptNumberFormatForFields(
    fmt As IntPtr,   ' void** in/out
    ByRef fields As UShort,   ' WORD*
    numberFormatToSet As IntPtr,   ' void** in/out
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' fmt : void** in/out
' fields : WORD*
' numberFormatToSet : void** in/out
' status : UErrorCode* in/out
Declare PtrSafe Sub udat_adoptNumberFormatForFields Lib "icuin" ( _
    ByVal fmt As LongPtr, _
    ByRef fields As Integer, _
    ByVal numberFormatToSet As LongPtr, _
    ByRef status As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

udat_adoptNumberFormatForFields = ctypes.cdll.icuin.udat_adoptNumberFormatForFields
udat_adoptNumberFormatForFields.restype = None
udat_adoptNumberFormatForFields.argtypes = [
    ctypes.c_void_p,  # fmt : void** in/out
    ctypes.POINTER(ctypes.c_ushort),  # fields : WORD*
    ctypes.c_void_p,  # numberFormatToSet : void** in/out
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
udat_adoptNumberFormatForFields = Fiddle::Function.new(
  lib['udat_adoptNumberFormatForFields'],
  [
    Fiddle::TYPE_VOIDP,  # fmt : void** in/out
    Fiddle::TYPE_VOIDP,  # fields : WORD*
    Fiddle::TYPE_VOIDP,  # numberFormatToSet : void** in/out
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn udat_adoptNumberFormatForFields(
        fmt: *mut *mut (),  // void** in/out
        fields: *const u16,  // WORD*
        numberFormatToSet: *mut *mut (),  // void** in/out
        status: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void udat_adoptNumberFormatForFields(IntPtr fmt, ref ushort fields, IntPtr numberFormatToSet, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_udat_adoptNumberFormatForFields' -Namespace Win32 -PassThru
# $api::udat_adoptNumberFormatForFields(fmt, fields, numberFormatToSet, status)

#uselib "icuin.dll"
#func global udat_adoptNumberFormatForFields "udat_adoptNumberFormatForFields" sptr, sptr, sptr, sptr
; udat_adoptNumberFormatForFields fmt, varptr(fields), numberFormatToSet, status
; fmt : void** in/out -> "sptr"
; fields : WORD* -> "sptr"
; numberFormatToSet : void** in/out -> "sptr"
; status : UErrorCode* in/out -> "sptr"

#uselib "icuin.dll"
#func global udat_adoptNumberFormatForFields "udat_adoptNumberFormatForFields" sptr, var, sptr, int
; udat_adoptNumberFormatForFields fmt, fields, numberFormatToSet, status
; fmt : void** in/out -> "sptr"
; fields : WORD* -> "var"
; numberFormatToSet : void** in/out -> "sptr"
; status : UErrorCode* in/out -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; void udat_adoptNumberFormatForFields(void** fmt, WORD* fields, void** numberFormatToSet, UErrorCode* status)
#uselib "icuin.dll"
#func global udat_adoptNumberFormatForFields "udat_adoptNumberFormatForFields" intptr, var, intptr, int
; udat_adoptNumberFormatForFields fmt, fields, numberFormatToSet, status
; fmt : void** in/out -> "intptr"
; fields : WORD* -> "var"
; numberFormatToSet : void** in/out -> "intptr"
; status : UErrorCode* in/out -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procudat_adoptNumberFormatForFields = icuin.NewProc("udat_adoptNumberFormatForFields")
)

// fmt (void** in/out), fields (WORD*), numberFormatToSet (void** in/out), status (UErrorCode* in/out)
r1, _, err := procudat_adoptNumberFormatForFields.Call(
	uintptr(fmt),
	uintptr(fields),
	uintptr(numberFormatToSet),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure udat_adoptNumberFormatForFields(
  fmt: Pointer;   // void** in/out
  fields: Pointer;   // WORD*
  numberFormatToSet: Pointer;   // void** in/out
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'udat_adoptNumberFormatForFields';

result := DllCall("icuin\udat_adoptNumberFormatForFields"
    , "Ptr", fmt   ; void** in/out
    , "Ptr", fields   ; WORD*
    , "Ptr", numberFormatToSet   ; void** in/out
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●udat_adoptNumberFormatForFields(fmt, fields, numberFormatToSet, status) = DLL("icuin.dll", "int udat_adoptNumberFormatForFields(void*, void*, void*, void*)")
# 呼び出し: udat_adoptNumberFormatForFields(fmt, fields, numberFormatToSet, status)
# fmt : void** in/out -> "void*"
# fields : WORD* -> "void*"
# numberFormatToSet : void** in/out -> "void*"
# status : UErrorCode* in/out -> "void*"
# 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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。