utrans_setFilter

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

void utrans_setFilter(
    void** trans,
    const WORD* filterPattern,
    INT filterPatternLen,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub utrans_setFilter(
    trans As IntPtr,   ' void** in/out
    ByRef filterPattern As UShort,   ' WORD*
    filterPatternLen As Integer,   ' INT
    ByRef status As Integer   ' UErrorCode* in/out
)
End Sub

' trans : void** in/out
' filterPattern : WORD*
' filterPatternLen : INT
' status : UErrorCode* in/out
Declare PtrSafe Sub utrans_setFilter Lib "icuin" ( _
    ByVal trans As LongPtr, _
    ByRef filterPattern As Integer, _
    ByVal filterPatternLen 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

utrans_setFilter = ctypes.cdll.icuin.utrans_setFilter
utrans_setFilter.restype = None
utrans_setFilter.argtypes = [
    ctypes.c_void_p,  # trans : void** in/out
    ctypes.POINTER(ctypes.c_ushort),  # filterPattern : WORD*
    ctypes.c_int,  # filterPatternLen : INT
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
utrans_setFilter = Fiddle::Function.new(
  lib['utrans_setFilter'],
  [
    Fiddle::TYPE_VOIDP,  # trans : void** in/out
    Fiddle::TYPE_VOIDP,  # filterPattern : WORD*
    Fiddle::TYPE_INT,  # filterPatternLen : INT
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn utrans_setFilter(
        trans: *mut *mut (),  // void** in/out
        filterPattern: *const u16,  // WORD*
        filterPatternLen: i32,  // INT
        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 utrans_setFilter(IntPtr trans, ref ushort filterPattern, int filterPatternLen, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_utrans_setFilter' -Namespace Win32 -PassThru
# $api::utrans_setFilter(trans, filterPattern, filterPatternLen, status)

#uselib "icuin.dll"
#func global utrans_setFilter "utrans_setFilter" sptr, sptr, sptr, sptr
; utrans_setFilter trans, varptr(filterPattern), filterPatternLen, status
; trans : void** in/out -> "sptr"
; filterPattern : WORD* -> "sptr"
; filterPatternLen : INT -> "sptr"
; status : UErrorCode* in/out -> "sptr"

#uselib "icuin.dll"
#func global utrans_setFilter "utrans_setFilter" sptr, var, int, int
; utrans_setFilter trans, filterPattern, filterPatternLen, status
; trans : void** in/out -> "sptr"
; filterPattern : WORD* -> "var"
; filterPatternLen : INT -> "int"
; 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 utrans_setFilter(void** trans, WORD* filterPattern, INT filterPatternLen, UErrorCode* status)
#uselib "icuin.dll"
#func global utrans_setFilter "utrans_setFilter" intptr, var, int, int
; utrans_setFilter trans, filterPattern, filterPatternLen, status
; trans : void** in/out -> "intptr"
; filterPattern : WORD* -> "var"
; filterPatternLen : INT -> "int"
; 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")
	procutrans_setFilter = icuin.NewProc("utrans_setFilter")
)

// trans (void** in/out), filterPattern (WORD*), filterPatternLen (INT), status (UErrorCode* in/out)
r1, _, err := procutrans_setFilter.Call(
	uintptr(trans),
	uintptr(filterPattern),
	uintptr(filterPatternLen),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure utrans_setFilter(
  trans: Pointer;   // void** in/out
  filterPattern: Pointer;   // WORD*
  filterPatternLen: Integer;   // INT
  status: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuin.dll' name 'utrans_setFilter';

result := DllCall("icuin\utrans_setFilter"
    , "Ptr", trans   ; void** in/out
    , "Ptr", filterPattern   ; WORD*
    , "Int", filterPatternLen   ; INT
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●utrans_setFilter(trans, filterPattern, filterPatternLen, status) = DLL("icuin.dll", "int utrans_setFilter(void*, void*, int, void*)")
# 呼び出し: utrans_setFilter(trans, filterPattern, filterPatternLen, status)
# trans : void** in/out -> "void*"
# filterPattern : WORD* -> "void*"
# filterPatternLen : INT -> "int"
# 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。