ucol_getVariableTop

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

DWORD ucol_getVariableTop(
    const UCollator* coll,
    UErrorCode* status
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function ucol_getVariableTop(
    ByRef coll As IntPtr,   ' UCollator*
    ByRef status As Integer   ' UErrorCode* in/out
) As UInteger
End Function

' coll : UCollator*
' status : UErrorCode* in/out
Declare PtrSafe Function ucol_getVariableTop Lib "icuin" ( _
    ByRef coll As LongPtr, _
    ByRef status As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ucol_getVariableTop = ctypes.cdll.icuin.ucol_getVariableTop
ucol_getVariableTop.restype = wintypes.DWORD
ucol_getVariableTop.argtypes = [
    ctypes.c_void_p,  # coll : UCollator*
    ctypes.c_void_p,  # status : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ucol_getVariableTop = Fiddle::Function.new(
  lib['ucol_getVariableTop'],
  [
    Fiddle::TYPE_VOIDP,  # coll : UCollator*
    Fiddle::TYPE_VOIDP,  # status : UErrorCode* in/out
  ],
  -Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ucol_getVariableTop(
        coll: *const isize,  // UCollator*
        status: *mut i32  // UErrorCode* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

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

#uselib "icuin.dll"
#func global ucol_getVariableTop "ucol_getVariableTop" sptr, sptr
; ucol_getVariableTop varptr(coll), varptr(status)   ; 戻り値は stat
; coll : UCollator* -> "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。

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procucol_getVariableTop = icuin.NewProc("ucol_getVariableTop")
)

// coll (UCollator*), status (UErrorCode* in/out)
r1, _, err := procucol_getVariableTop.Call(
	uintptr(coll),
	uintptr(status),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ucol_getVariableTop(
  coll: Pointer;   // UCollator*
  status: Pointer   // UErrorCode* in/out
): DWORD; cdecl;
  external 'icuin.dll' name 'ucol_getVariableTop';

result := DllCall("icuin\ucol_getVariableTop"
    , "Ptr", coll   ; UCollator*
    , "Ptr", status   ; UErrorCode* in/out
    , "Cdecl UInt")   ; return: DWORD

●ucol_getVariableTop(coll, status) = DLL("icuin.dll", "dword ucol_getVariableTop(void*, void*)")
# 呼び出し: ucol_getVariableTop(coll, status)
# coll : UCollator* -> "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。

const std = @import("std");

extern "icuin" fn ucol_getVariableTop(
    coll: [*c]isize, // UCollator*
    status: [*c]i32 // UErrorCode* in/out
) callconv(.c) u32;

proc ucol_getVariableTop(
    coll: ptr int,  # UCollator*
    status: ptr int32  # UErrorCode* in/out
): uint32 {.importc: "ucol_getVariableTop", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
uint ucol_getVariableTop(
    ptrdiff_t* coll,   // UCollator*
    int* status   // UErrorCode* in/out
);

ccall((:ucol_getVariableTop, "icuin.dll"), UInt32,
      (Ptr{Int}, Ptr{Int32}),
      coll, status)
# coll : UCollator* -> Ptr{Int}
# status : UErrorCode* in/out -> Ptr{Int32}

local ffi = require("ffi")
ffi.cdef[[
uint32_t ucol_getVariableTop(
    intptr_t* coll,
    int32_t* status);
]]
local icuin = ffi.load("icuin")
-- icuin.ucol_getVariableTop(coll, status)
-- coll : UCollator*
-- status : 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('icuin.dll');
const ucol_getVariableTop = lib.func('__cdecl', 'ucol_getVariableTop', 'uint32_t', ['intptr_t *', 'int32_t *']);
// ucol_getVariableTop(coll, status)
// coll : UCollator* -> 'intptr_t *'
// status : 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("icuin.dll", {
  ucol_getVariableTop: { parameters: ["pointer", "pointer"], result: "u32" },
});
// lib.symbols.ucol_getVariableTop(coll, status)
// coll : UCollator* -> "pointer"
// status : 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
uint32_t ucol_getVariableTop(
    intptr_t* coll,
    int32_t* status);
C, "icuin.dll");
// $ffi->ucol_getVariableTop(coll, status);
// coll : UCollator*
// status : 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 Icuin extends Library {
    Icuin INSTANCE = Native.load("icuin", Icuin.class);
    int ucol_getVariableTop(
        LongByReference coll,   // UCollator*
        IntByReference status   // UErrorCode* in/out
    );
}

@[Link("icuin")]
lib Libicuin
  fun ucol_getVariableTop = ucol_getVariableTop(
    coll : LibC::SSizeT*,   # UCollator*
    status : Int32*   # UErrorCode* in/out
  ) : UInt32
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 ucol_getVariableTopNative = Uint32 Function(Pointer<IntPtr>, Pointer<Int32>);
typedef ucol_getVariableTopDart = int Function(Pointer<IntPtr>, Pointer<Int32>);
final ucol_getVariableTop = DynamicLibrary.open('icuin.dll')
    .lookupFunction<ucol_getVariableTopNative, ucol_getVariableTopDart>('ucol_getVariableTop');
// coll : UCollator* -> Pointer<IntPtr>
// status : UErrorCode* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ucol_getVariableTop(
  coll: Pointer;   // UCollator*
  status: Pointer   // UErrorCode* in/out
): DWORD; cdecl;
  external 'icuin.dll' name 'ucol_getVariableTop';

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

foreign import ccall safe "ucol_getVariableTop"
  c_ucol_getVariableTop :: Ptr CIntPtr -> Ptr Int32 -> IO Word32
-- coll : UCollator* -> Ptr CIntPtr
-- status : 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 ucol_getvariabletop =
  foreign "ucol_getVariableTop"
    ((ptr intptr_t) @-> (ptr int32_t) @-> returning uint32_t)
(* coll : UCollator* -> (ptr intptr_t) *)
(* status : 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 icuin (t "icuin.dll"))
(cffi:use-foreign-library icuin)

(cffi:defcfun ("ucol_getVariableTop" ucol-get-variable-top :convention :cdecl) :uint32
  (coll :pointer)   ; UCollator*
  (status :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 $ucol_getVariableTop = Win32::API::More->new('icuin',
    'DWORD ucol_getVariableTop(LPVOID coll, LPVOID status)');
# my $ret = $ucol_getVariableTop->Call($coll, $status);
# coll : UCollator* -> LPVOID
# status : 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。