ulocdata_getCLDRVersion

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

void ulocdata_getCLDRVersion(
    BYTE* versionArray,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ulocdata_getCLDRVersion(
    versionArray As IntPtr,   ' BYTE* in/out
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' versionArray : BYTE* in/out
' status : UErrorCode* in/out
Declare PtrSafe Sub ulocdata_getCLDRVersion Lib "icuin" ( _
    ByVal versionArray 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

ulocdata_getCLDRVersion = ctypes.cdll.icuin.ulocdata_getCLDRVersion
ulocdata_getCLDRVersion.restype = None
ulocdata_getCLDRVersion.argtypes = [
    ctypes.POINTER(ctypes.c_ubyte),  # versionArray : BYTE* in/out
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ulocdata_getCLDRVersion = Fiddle::Function.new(
  lib['ulocdata_getCLDRVersion'],
  [
    Fiddle::TYPE_VOIDP,  # versionArray : BYTE* in/out
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ulocdata_getCLDRVersion(
        versionArray: *mut u8,  // BYTE* 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_getCLDRVersion(IntPtr versionArray, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ulocdata_getCLDRVersion' -Namespace Win32 -PassThru
# $api::ulocdata_getCLDRVersion(versionArray, status)

#uselib "icuin.dll"
#func global ulocdata_getCLDRVersion "ulocdata_getCLDRVersion" sptr, sptr
; ulocdata_getCLDRVersion varptr(versionArray), status
; versionArray : BYTE* in/out -> "sptr"
; status : UErrorCode* in/out -> "sptr"

#uselib "icuin.dll"
#func global ulocdata_getCLDRVersion "ulocdata_getCLDRVersion" var, int
; ulocdata_getCLDRVersion versionArray, status
; versionArray : BYTE* 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_getCLDRVersion(BYTE* versionArray, UErrorCode* status)
#uselib "icuin.dll"
#func global ulocdata_getCLDRVersion "ulocdata_getCLDRVersion" var, int
; ulocdata_getCLDRVersion versionArray, status
; versionArray : BYTE* 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_getCLDRVersion = icuin.NewProc("ulocdata_getCLDRVersion")
)

// versionArray (BYTE* in/out), status (UErrorCode* in/out)
r1, _, err := proculocdata_getCLDRVersion.Call(
	uintptr(versionArray),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ulocdata_getCLDRVersion(
  versionArray: Pointer;   // BYTE* in/out
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'ulocdata_getCLDRVersion';

result := DllCall("icuin\ulocdata_getCLDRVersion"
    , "Ptr", versionArray   ; BYTE* in/out
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●ulocdata_getCLDRVersion(versionArray, status) = DLL("icuin.dll", "int ulocdata_getCLDRVersion(void*, void*)")
# 呼び出し: ulocdata_getCLDRVersion(versionArray, status)
# versionArray : BYTE* 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。