utrans_getSourceSet

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

USet* utrans_getSourceSet(
    const void** trans,
    CHAR ignoreFilter,
    USet* fillIn,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function utrans_getSourceSet(
    trans As IntPtr,   ' void**
    ignoreFilter As SByte,   ' CHAR
    ByRef fillIn As IntPtr,   ' USet* in/out
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' trans : void**
' ignoreFilter : CHAR
' fillIn : USet* in/out
' status : UErrorCode* in/out
Declare PtrSafe Function utrans_getSourceSet Lib "icuin" ( _
    ByVal trans As LongPtr, _
    ByVal ignoreFilter As Byte, _
    ByRef fillIn As LongPtr, _
    ByRef status As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

utrans_getSourceSet = ctypes.cdll.icuin.utrans_getSourceSet
utrans_getSourceSet.restype = ctypes.c_void_p
utrans_getSourceSet.argtypes = [
    ctypes.c_void_p,  # trans : void**
    ctypes.c_byte,  # ignoreFilter : CHAR
    ctypes.c_void_p,  # fillIn : USet* in/out
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
utrans_getSourceSet = Fiddle::Function.new(
  lib['utrans_getSourceSet'],
  [
    Fiddle::TYPE_VOIDP,  # trans : void**
    Fiddle::TYPE_CHAR,  # ignoreFilter : CHAR
    Fiddle::TYPE_VOIDP,  # fillIn : USet* in/out
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn utrans_getSourceSet(
        trans: *const *const (),  // void**
        ignoreFilter: i8,  // CHAR
        fillIn: *mut isize,  // USet* in/out
        status: *mut i32  // UErrorCode* in/out
    ) -> *mut isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr utrans_getSourceSet(IntPtr trans, sbyte ignoreFilter, ref IntPtr fillIn, ref int status);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_utrans_getSourceSet' -Namespace Win32 -PassThru
# $api::utrans_getSourceSet(trans, ignoreFilter, fillIn, status)

#uselib "icuin.dll"
#func global utrans_getSourceSet "utrans_getSourceSet" sptr, sptr, sptr, sptr
; utrans_getSourceSet trans, ignoreFilter, fillIn, status   ; 戻り値は stat
; trans : void** -> "sptr"
; ignoreFilter : CHAR -> "sptr"
; fillIn : USet* in/out -> "sptr"
; status : UErrorCode* in/out -> "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 "icuin.dll"
#cfunc global utrans_getSourceSet "utrans_getSourceSet" sptr, int, int, int
; res = utrans_getSourceSet(trans, ignoreFilter, fillIn, status)
; trans : void** -> "sptr"
; ignoreFilter : CHAR -> "int"
; fillIn : USet* in/out -> "int"
; status : UErrorCode* in/out -> "int"

; USet* utrans_getSourceSet(void** trans, CHAR ignoreFilter, USet* fillIn, UErrorCode* status)
#uselib "icuin.dll"
#cfunc global utrans_getSourceSet "utrans_getSourceSet" intptr, int, int, int
; res = utrans_getSourceSet(trans, ignoreFilter, fillIn, status)
; trans : void** -> "intptr"
; ignoreFilter : CHAR -> "int"
; fillIn : USet* in/out -> "int"
; status : UErrorCode* in/out -> "int"

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procutrans_getSourceSet = icuin.NewProc("utrans_getSourceSet")
)

// trans (void**), ignoreFilter (CHAR), fillIn (USet* in/out), status (UErrorCode* in/out)
r1, _, err := procutrans_getSourceSet.Call(
	uintptr(trans),
	uintptr(ignoreFilter),
	uintptr(fillIn),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // USet*

function utrans_getSourceSet(
  trans: Pointer;   // void**
  ignoreFilter: Shortint;   // CHAR
  fillIn: Pointer;   // USet* in/out
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'utrans_getSourceSet';

result := DllCall("icuin\utrans_getSourceSet"
    , "Ptr", trans   ; void**
    , "Char", ignoreFilter   ; CHAR
    , "Ptr", fillIn   ; USet* in/out
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: USet*

●utrans_getSourceSet(trans, ignoreFilter, fillIn, status) = DLL("icuin.dll", "void* utrans_getSourceSet(void*, char, void*, void*)")
# 呼び出し: utrans_getSourceSet(trans, ignoreFilter, fillIn, status)
# trans : void** -> "void*"
# ignoreFilter : CHAR -> "char"
# fillIn : USet* 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。