ucfpos_getIndexes

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

void ucfpos_getIndexes(
    const UConstrainedFieldPosition* ucfpos,
    INT* pStart,
    INT* pLimit,
    UErrorCode* ec
);

<DllImport("icu.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ucfpos_getIndexes(
    ByRef ucfpos As IntPtr,   ' UConstrainedFieldPosition*
    ByRef pStart As Integer,   ' INT* in/out
    ByRef pLimit As Integer,   ' INT* in/out
    ByRef ec As Integer   ' UErrorCode* in/out
)
End Sub

' ucfpos : UConstrainedFieldPosition*
' pStart : INT* in/out
' pLimit : INT* in/out
' ec : UErrorCode* in/out
Declare PtrSafe Sub ucfpos_getIndexes Lib "icu" ( _
    ByRef ucfpos As LongPtr, _
    ByRef pStart As Long, _
    ByRef pLimit As Long, _
    ByRef ec As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ucfpos_getIndexes = ctypes.cdll.icu.ucfpos_getIndexes
ucfpos_getIndexes.restype = None
ucfpos_getIndexes.argtypes = [
    ctypes.c_void_p,  # ucfpos : UConstrainedFieldPosition*
    ctypes.POINTER(ctypes.c_int),  # pStart : INT* in/out
    ctypes.POINTER(ctypes.c_int),  # pLimit : INT* in/out
    ctypes.c_void_p,  # ec : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icu.dll')
ucfpos_getIndexes = Fiddle::Function.new(
  lib['ucfpos_getIndexes'],
  [
    Fiddle::TYPE_VOIDP,  # ucfpos : UConstrainedFieldPosition*
    Fiddle::TYPE_VOIDP,  # pStart : INT* in/out
    Fiddle::TYPE_VOIDP,  # pLimit : INT* in/out
    Fiddle::TYPE_VOIDP,  # ec : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icu")]
extern "C" {
    fn ucfpos_getIndexes(
        ucfpos: *const isize,  // UConstrainedFieldPosition*
        pStart: *mut i32,  // INT* in/out
        pLimit: *mut i32,  // INT* in/out
        ec: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icu.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void ucfpos_getIndexes(ref IntPtr ucfpos, ref int pStart, ref int pLimit, ref int ec);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icu_ucfpos_getIndexes' -Namespace Win32 -PassThru
# $api::ucfpos_getIndexes(ucfpos, pStart, pLimit, ec)

#uselib "icu.dll"
#func global ucfpos_getIndexes "ucfpos_getIndexes" sptr, sptr, sptr, sptr
; ucfpos_getIndexes varptr(ucfpos), varptr(pStart), varptr(pLimit), varptr(ec)
; ucfpos : UConstrainedFieldPosition* -> "sptr"
; pStart : INT* in/out -> "sptr"
; pLimit : INT* in/out -> "sptr"
; ec : UErrorCode* in/out -> "sptr"

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

var (
	icu = windows.NewLazySystemDLL("icu.dll")
	procucfpos_getIndexes = icu.NewProc("ucfpos_getIndexes")
)

// ucfpos (UConstrainedFieldPosition*), pStart (INT* in/out), pLimit (INT* in/out), ec (UErrorCode* in/out)
r1, _, err := procucfpos_getIndexes.Call(
	uintptr(ucfpos),
	uintptr(pStart),
	uintptr(pLimit),
	uintptr(ec),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ucfpos_getIndexes(
  ucfpos: Pointer;   // UConstrainedFieldPosition*
  pStart: Pointer;   // INT* in/out
  pLimit: Pointer;   // INT* in/out
  ec: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icu.dll' name 'ucfpos_getIndexes';

result := DllCall("icu\ucfpos_getIndexes"
    , "Ptr", ucfpos   ; UConstrainedFieldPosition*
    , "Ptr", pStart   ; INT* in/out
    , "Ptr", pLimit   ; INT* in/out
    , "Ptr", ec   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●ucfpos_getIndexes(ucfpos, pStart, pLimit, ec) = DLL("icu.dll", "int ucfpos_getIndexes(void*, void*, void*, void*)")
# 呼び出し: ucfpos_getIndexes(ucfpos, pStart, pLimit, ec)
# ucfpos : UConstrainedFieldPosition* -> "void*"
# pStart : INT* in/out -> "void*"
# pLimit : INT* in/out -> "void*"
# ec : 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。

const std = @import("std");

extern "icu" fn ucfpos_getIndexes(
    ucfpos: [*c]isize, // UConstrainedFieldPosition*
    pStart: [*c]i32, // INT* in/out
    pLimit: [*c]i32, // INT* in/out
    ec: [*c]i32 // UErrorCode* in/out
) callconv(.c) void;

proc ucfpos_getIndexes(
    ucfpos: ptr int,  # UConstrainedFieldPosition*
    pStart: ptr int32,  # INT* in/out
    pLimit: ptr int32,  # INT* in/out
    ec: ptr int32  # UErrorCode* in/out
) {.importc: "ucfpos_getIndexes", cdecl, dynlib: "icu.dll".}

pragma(lib, "icu");
extern(C)
void ucfpos_getIndexes(
    ptrdiff_t* ucfpos,   // UConstrainedFieldPosition*
    int* pStart,   // INT* in/out
    int* pLimit,   // INT* in/out
    int* ec   // UErrorCode* in/out
);

ccall((:ucfpos_getIndexes, "icu.dll"), Cvoid,
      (Ptr{Int}, Ptr{Int32}, Ptr{Int32}, Ptr{Int32}),
      ucfpos, pStart, pLimit, ec)
# ucfpos : UConstrainedFieldPosition* -> Ptr{Int}
# pStart : INT* in/out -> Ptr{Int32}
# pLimit : INT* in/out -> Ptr{Int32}
# ec : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
void ucfpos_getIndexes(
    intptr_t* ucfpos,
    int32_t* pStart,
    int32_t* pLimit,
    int32_t* ec);
]]
local icu = ffi.load("icu")
-- icu.ucfpos_getIndexes(ucfpos, pStart, pLimit, ec)
-- ucfpos : UConstrainedFieldPosition*
-- pStart : INT* in/out
-- pLimit : INT* in/out
-- ec : UErrorCode* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('icu.dll');
const ucfpos_getIndexes = lib.func('__cdecl', 'ucfpos_getIndexes', 'void', ['intptr_t *', 'int32_t *', 'int32_t *', 'int32_t *']);
// ucfpos_getIndexes(ucfpos, pStart, pLimit, ec)
// ucfpos : UConstrainedFieldPosition* -> 'intptr_t *'
// pStart : INT* in/out -> 'int32_t *'
// pLimit : INT* in/out -> 'int32_t *'
// ec : UErrorCode* in/out -> 'int32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("icu.dll", {
  ucfpos_getIndexes: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "void" },
});
// lib.symbols.ucfpos_getIndexes(ucfpos, pStart, pLimit, ec)
// ucfpos : UConstrainedFieldPosition* -> "pointer"
// pStart : INT* in/out -> "pointer"
// pLimit : INT* in/out -> "pointer"
// ec : UErrorCode* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void ucfpos_getIndexes(
    intptr_t* ucfpos,
    int32_t* pStart,
    int32_t* pLimit,
    int32_t* ec);
C, "icu.dll");
// $ffi->ucfpos_getIndexes(ucfpos, pStart, pLimit, ec);
// ucfpos : UConstrainedFieldPosition*
// pStart : INT* in/out
// pLimit : INT* in/out
// ec : UErrorCode* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Icu extends Library {
    Icu INSTANCE = Native.load("icu", Icu.class);
    void ucfpos_getIndexes(
        LongByReference ucfpos,   // UConstrainedFieldPosition*
        IntByReference pStart,   // INT* in/out
        IntByReference pLimit,   // INT* in/out
        IntByReference ec   // UErrorCode* in/out
    );
}

@[Link("icu")]
lib Libicu
  fun ucfpos_getIndexes = ucfpos_getIndexes(
    ucfpos : LibC::SSizeT*,   # UConstrainedFieldPosition*
    pStart : Int32*,   # INT* in/out
    pLimit : Int32*,   # INT* in/out
    ec : Int32*   # UErrorCode* in/out
  ) : Void
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef ucfpos_getIndexesNative = Void Function(Pointer<IntPtr>, Pointer<Int32>, Pointer<Int32>, Pointer<Int32>);
typedef ucfpos_getIndexesDart = void Function(Pointer<IntPtr>, Pointer<Int32>, Pointer<Int32>, Pointer<Int32>);
final ucfpos_getIndexes = DynamicLibrary.open('icu.dll')
    .lookupFunction<ucfpos_getIndexesNative, ucfpos_getIndexesDart>('ucfpos_getIndexes');
// ucfpos : UConstrainedFieldPosition* -> Pointer<IntPtr>
// pStart : INT* in/out -> Pointer<Int32>
// pLimit : INT* in/out -> Pointer<Int32>
// ec : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure ucfpos_getIndexes(
  ucfpos: Pointer;   // UConstrainedFieldPosition*
  pStart: Pointer;   // INT* in/out
  pLimit: Pointer;   // INT* in/out
  ec: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icu.dll' name 'ucfpos_getIndexes';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import ccall safe "ucfpos_getIndexes"
  c_ucfpos_getIndexes :: Ptr CIntPtr -> Ptr Int32 -> Ptr Int32 -> Ptr Int32 -> IO ()
-- ucfpos : UConstrainedFieldPosition* -> Ptr CIntPtr
-- pStart : INT* in/out -> Ptr Int32
-- pLimit : INT* in/out -> Ptr Int32
-- ec : UErrorCode* in/out -> Ptr Int32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let ucfpos_getindexes =
  foreign "ucfpos_getIndexes"
    ((ptr intptr_t) @-> (ptr int32_t) @-> (ptr int32_t) @-> (ptr int32_t) @-> returning void)
(* ucfpos : UConstrainedFieldPosition* -> (ptr intptr_t) *)
(* pStart : INT* in/out -> (ptr int32_t) *)
(* pLimit : INT* in/out -> (ptr int32_t) *)
(* ec : UErrorCode* in/out -> (ptr int32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library icu (t "icu.dll"))
(cffi:use-foreign-library icu)

(cffi:defcfun ("ucfpos_getIndexes" ucfpos-get-indexes :convention :cdecl) :void
  (ucfpos :pointer)   ; UConstrainedFieldPosition*
  (p-start :pointer)   ; INT* in/out
  (p-limit :pointer)   ; INT* in/out
  (ec :pointer))   ; UErrorCode* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ucfpos_getIndexes = Win32::API::More->new('icu',
    'void ucfpos_getIndexes(LPVOID ucfpos, LPVOID pStart, LPVOID pLimit, LPVOID ec)');
# my $ret = $ucfpos_getIndexes->Call($ucfpos, $pStart, $pLimit, $ec);
# ucfpos : UConstrainedFieldPosition* -> LPVOID
# pStart : INT* in/out -> LPVOID
# pLimit : INT* in/out -> LPVOID
# ec : UErrorCode* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。