ulocdata_getPaperSize

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

void ulocdata_getPaperSize(
    LPCSTR localeID,
    INT* height,
    INT* width,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ulocdata_getPaperSize(
    <MarshalAs(UnmanagedType.LPStr)> localeID As String,   ' LPCSTR
    ByRef height As Integer,   ' INT* in/out
    ByRef width As Integer,   ' INT* in/out
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' localeID : LPCSTR
' height : INT* in/out
' width : INT* in/out
' status : UErrorCode* in/out
Declare PtrSafe Sub ulocdata_getPaperSize Lib "icuin" ( _
    ByVal localeID As String, _
    ByRef height As Long, _
    ByRef width As Long, _
    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

ulocdata_getPaperSize = ctypes.cdll.icuin.ulocdata_getPaperSize
ulocdata_getPaperSize.restype = None
ulocdata_getPaperSize.argtypes = [
    wintypes.LPCSTR,  # localeID : LPCSTR
    ctypes.POINTER(ctypes.c_int),  # height : INT* in/out
    ctypes.POINTER(ctypes.c_int),  # width : INT* in/out
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ulocdata_getPaperSize = Fiddle::Function.new(
  lib['ulocdata_getPaperSize'],
  [
    Fiddle::TYPE_VOIDP,  # localeID : LPCSTR
    Fiddle::TYPE_VOIDP,  # height : INT* in/out
    Fiddle::TYPE_VOIDP,  # width : INT* in/out
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ulocdata_getPaperSize(
        localeID: *const u8,  // LPCSTR
        height: *mut i32,  // INT* in/out
        width: *mut i32,  // INT* 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 ulocdata_getPaperSize([MarshalAs(UnmanagedType.LPStr)] string localeID, ref int height, ref int width, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ulocdata_getPaperSize' -Namespace Win32 -PassThru
# $api::ulocdata_getPaperSize(localeID, height, width, status)

#uselib "icuin.dll"
#func global ulocdata_getPaperSize "ulocdata_getPaperSize" sptr, sptr, sptr, sptr
; ulocdata_getPaperSize localeID, varptr(height), varptr(width), status
; localeID : LPCSTR -> "sptr"
; height : INT* in/out -> "sptr"
; width : INT* in/out -> "sptr"
; status : UErrorCode* in/out -> "sptr"

#uselib "icuin.dll"
#func global ulocdata_getPaperSize "ulocdata_getPaperSize" str, var, var, int
; ulocdata_getPaperSize localeID, height, width, status
; localeID : LPCSTR -> "str"
; height : INT* in/out -> "var"
; width : INT* in/out -> "var"
; 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 ulocdata_getPaperSize(LPCSTR localeID, INT* height, INT* width, UErrorCode* status)
#uselib "icuin.dll"
#func global ulocdata_getPaperSize "ulocdata_getPaperSize" str, var, var, int
; ulocdata_getPaperSize localeID, height, width, status
; localeID : LPCSTR -> "str"
; height : INT* in/out -> "var"
; width : INT* in/out -> "var"
; 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")
	proculocdata_getPaperSize = icuin.NewProc("ulocdata_getPaperSize")
)

// localeID (LPCSTR), height (INT* in/out), width (INT* in/out), status (UErrorCode* in/out)
r1, _, err := proculocdata_getPaperSize.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(localeID))),
	uintptr(height),
	uintptr(width),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ulocdata_getPaperSize(
  localeID: PAnsiChar;   // LPCSTR
  height: Pointer;   // INT* in/out
  width: Pointer;   // INT* in/out
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'ulocdata_getPaperSize';

result := DllCall("icuin\ulocdata_getPaperSize"
    , "AStr", localeID   ; LPCSTR
    , "Ptr", height   ; INT* in/out
    , "Ptr", width   ; INT* in/out
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●ulocdata_getPaperSize(localeID, height, width, status) = DLL("icuin.dll", "int ulocdata_getPaperSize(char*, void*, void*, void*)")
# 呼び出し: ulocdata_getPaperSize(localeID, height, width, status)
# localeID : LPCSTR -> "char*"
# height : INT* in/out -> "void*"
# width : INT* 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。