ucal_set

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

void ucal_set(
    void** cal,
    UCalendarDateFields field,
    INT value
);

<DllImport("icuin.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub ucal_set(
    cal As IntPtr,   ' void** in/out
    field As Integer,   ' UCalendarDateFields
    value As Integer   ' INT
)
End Sub

' cal : void** in/out
' field : UCalendarDateFields
' value : INT
Declare PtrSafe Sub ucal_set Lib "icuin" ( _
    ByVal cal As LongPtr, _
    ByVal field As Long, _
    ByVal value As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ucal_set = ctypes.cdll.icuin.ucal_set
ucal_set.restype = None
ucal_set.argtypes = [
    ctypes.c_void_p,  # cal : void** in/out
    ctypes.c_int,  # field : UCalendarDateFields
    ctypes.c_int,  # value : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuin.dll')
ucal_set = Fiddle::Function.new(
  lib['ucal_set'],
  [
    Fiddle::TYPE_VOIDP,  # cal : void** in/out
    Fiddle::TYPE_INT,  # field : UCalendarDateFields
    Fiddle::TYPE_INT,  # value : INT
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuin")]
extern "C" {
    fn ucal_set(
        cal: *mut *mut (),  // void** in/out
        field: i32,  // UCalendarDateFields
        value: i32  // INT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuin.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void ucal_set(IntPtr cal, int field, int value);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuin_ucal_set' -Namespace Win32 -PassThru
# $api::ucal_set(cal, field, value)

#uselib "icuin.dll"
#func global ucal_set "ucal_set" sptr, sptr, sptr
; ucal_set cal, field, value
; cal : void** in/out -> "sptr"
; field : UCalendarDateFields -> "sptr"
; value : INT -> "sptr"

#uselib "icuin.dll"
#func global ucal_set "ucal_set" sptr, int, int
; ucal_set cal, field, value
; cal : void** in/out -> "sptr"
; field : UCalendarDateFields -> "int"
; value : INT -> "int"

; void ucal_set(void** cal, UCalendarDateFields field, INT value)
#uselib "icuin.dll"
#func global ucal_set "ucal_set" intptr, int, int
; ucal_set cal, field, value
; cal : void** in/out -> "intptr"
; field : UCalendarDateFields -> "int"
; value : INT -> "int"

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

var (
	icuin = windows.NewLazySystemDLL("icuin.dll")
	procucal_set = icuin.NewProc("ucal_set")
)

// cal (void** in/out), field (UCalendarDateFields), value (INT)
r1, _, err := procucal_set.Call(
	uintptr(cal),
	uintptr(field),
	uintptr(value),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure ucal_set(
  cal: Pointer;   // void** in/out
  field: Integer;   // UCalendarDateFields
  value: Integer   // INT
); cdecl;
  external 'icuin.dll' name 'ucal_set';

result := DllCall("icuin\ucal_set"
    , "Ptr", cal   ; void** in/out
    , "Int", field   ; UCalendarDateFields
    , "Int", value   ; INT
    , "Cdecl Int")   ; return: void

●ucal_set(cal, field, value) = DLL("icuin.dll", "int ucal_set(void*, int, int)")
# 呼び出し: ucal_set(cal, field, value)
# cal : void** in/out -> "void*"
# field : UCalendarDateFields -> "int"
# value : INT -> "int"
# 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 ucal_set(
    cal: ?*anyopaque, // void** in/out
    field: i32, // UCalendarDateFields
    value: i32 // INT
) callconv(.c) void;

proc ucal_set(
    cal: pointer,  # void** in/out
    field: int32,  # UCalendarDateFields
    value: int32  # INT
) {.importc: "ucal_set", cdecl, dynlib: "icuin.dll".}

pragma(lib, "icuin");
extern(C)
void ucal_set(
    void** cal,   // void** in/out
    int field,   // UCalendarDateFields
    int value   // INT
);

ccall((:ucal_set, "icuin.dll"), Cvoid,
      (Ptr{Cvoid}, Int32, Int32),
      cal, field, value)
# cal : void** in/out -> Ptr{Cvoid}
# field : UCalendarDateFields -> Int32
# value : INT -> Int32

local ffi = require("ffi")
ffi.cdef[[
void ucal_set(
    void** cal,
    int32_t field,
    int32_t value);
]]
local icuin = ffi.load("icuin")
-- icuin.ucal_set(cal, field, value)
-- cal : void** in/out
-- field : UCalendarDateFields
-- value : INT
-- 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 ucal_set = lib.func('__cdecl', 'ucal_set', 'void', ['void *', 'int32_t', 'int32_t']);
// ucal_set(cal, field, value)
// cal : void** in/out -> 'void *'
// field : UCalendarDateFields -> 'int32_t'
// value : INT -> '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", {
  ucal_set: { parameters: ["pointer", "i32", "i32"], result: "void" },
});
// lib.symbols.ucal_set(cal, field, value)
// cal : void** in/out -> "pointer"
// field : UCalendarDateFields -> "i32"
// value : INT -> "i32"
// 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 ucal_set(
    void** cal,
    int32_t field,
    int32_t value);
C, "icuin.dll");
// $ffi->ucal_set(cal, field, value);
// cal : void** in/out
// field : UCalendarDateFields
// value : INT
// 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);
    void ucal_set(
        Pointer cal,   // void** in/out
        int field,   // UCalendarDateFields
        int value   // INT
    );
}

@[Link("icuin")]
lib Libicuin
  fun ucal_set = ucal_set(
    cal : Void**,   # void** in/out
    field : Int32,   # UCalendarDateFields
    value : Int32   # INT
  ) : 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 ucal_setNative = Void Function(Pointer<Void>, Int32, Int32);
typedef ucal_setDart = void Function(Pointer<Void>, int, int);
final ucal_set = DynamicLibrary.open('icuin.dll')
    .lookupFunction<ucal_setNative, ucal_setDart>('ucal_set');
// cal : void** in/out -> Pointer<Void>
// field : UCalendarDateFields -> Int32
// value : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure ucal_set(
  cal: Pointer;   // void** in/out
  field: Integer;   // UCalendarDateFields
  value: Integer   // INT
); cdecl;
  external 'icuin.dll' name 'ucal_set';

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

foreign import ccall safe "ucal_set"
  c_ucal_set :: Ptr () -> Int32 -> Int32 -> IO ()
-- cal : void** in/out -> Ptr ()
-- field : UCalendarDateFields -> Int32
-- value : INT -> 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 ucal_set =
  foreign "ucal_set"
    ((ptr void) @-> int32_t @-> int32_t @-> returning void)
(* cal : void** in/out -> (ptr void) *)
(* field : UCalendarDateFields -> int32_t *)
(* value : INT -> 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 ("ucal_set" ucal-set :convention :cdecl) :void
  (cal :pointer)   ; void** in/out
  (field :int32)   ; UCalendarDateFields
  (value :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ucal_set = Win32::API::More->new('icuin',
    'void ucal_set(LPVOID cal, int field, int value)');
# my $ret = $ucal_set->Call($cal, $field, $value);
# cal : void** in/out -> LPVOID
# field : UCalendarDateFields -> int
# value : INT -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。