ufmt_getArrayItemByIndex

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

void** ufmt_getArrayItemByIndex(
    void** fmt,
    INT n,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ufmt_getArrayItemByIndex(
    fmt As IntPtr,   ' void** in/out
    n As Integer,   ' INT
    ByRef status As Integer   ' UErrorCode* in/out
) As IntPtr
End Function

' fmt : void** in/out
' n : INT
' status : UErrorCode* in/out
Declare PtrSafe Function ufmt_getArrayItemByIndex Lib "icuin" ( _
    ByVal fmt As LongPtr, _
    ByVal n As Long, _
    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

ufmt_getArrayItemByIndex = ctypes.cdll.icuin.ufmt_getArrayItemByIndex
ufmt_getArrayItemByIndex.restype = ctypes.c_void_p
ufmt_getArrayItemByIndex.argtypes = [
    ctypes.c_void_p,  # fmt : void** in/out
    ctypes.c_int,  # n : INT
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ufmt_getArrayItemByIndex = Fiddle::Function.new(
  lib['ufmt_getArrayItemByIndex'],
  [
    Fiddle::TYPE_VOIDP,  # fmt : void** in/out
    Fiddle::TYPE_INT,  # n : INT
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOIDP, Fiddle::Function::CDECL)

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

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

#uselib "icuin.dll"
#func global ufmt_getArrayItemByIndex "ufmt_getArrayItemByIndex" sptr, sptr, sptr
; ufmt_getArrayItemByIndex fmt, n, status   ; 戻り値は stat
; fmt : void** in/out -> "sptr"
; n : INT -> "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 ufmt_getArrayItemByIndex "ufmt_getArrayItemByIndex" sptr, int, int
; res = ufmt_getArrayItemByIndex(fmt, n, status)
; fmt : void** in/out -> "sptr"
; n : INT -> "int"
; status : UErrorCode* in/out -> "int"

; void** ufmt_getArrayItemByIndex(void** fmt, INT n, UErrorCode* status)
#uselib "icuin.dll"
#cfunc global ufmt_getArrayItemByIndex "ufmt_getArrayItemByIndex" intptr, int, int
; res = ufmt_getArrayItemByIndex(fmt, n, status)
; fmt : void** in/out -> "intptr"
; n : INT -> "int"
; status : UErrorCode* in/out -> "int"

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procufmt_getArrayItemByIndex = icuin.NewProc("ufmt_getArrayItemByIndex")
)

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

function ufmt_getArrayItemByIndex(
  fmt: Pointer;   // void** in/out
  n: Integer;   // INT
  status: Pointer   // UErrorCode* in/out
): Pointer; cdecl;
  external 'icuin.dll' name 'ufmt_getArrayItemByIndex';

result := DllCall("icuin\ufmt_getArrayItemByIndex"
    , "Ptr", fmt   ; void** in/out
    , "Int", n   ; INT
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl Ptr")   ; return: void**

●ufmt_getArrayItemByIndex(fmt, n, status) = DLL("icuin.dll", "void* ufmt_getArrayItemByIndex(void*, int, void*)")
# 呼び出し: ufmt_getArrayItemByIndex(fmt, n, status)
# fmt : void** in/out -> "void*"
# n : 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。