uiter_setString

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

void uiter_setString(
    UCharIterator* iter,
    const WORD* s,
    INT length
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub uiter_setString(
    iter As IntPtr,   ' UCharIterator* in/out
    ByRef s As UShort,   ' WORD*
    length As Integer   ' INT
)
End Sub

' iter : UCharIterator* in/out
' s : WORD*
' length : INT
Declare PtrSafe Sub uiter_setString Lib "icuuc" ( _
    ByVal iter As LongPtr, _
    ByRef s As Integer, _
    ByVal length As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

uiter_setString = ctypes.cdll.icuuc.uiter_setString
uiter_setString.restype = None
uiter_setString.argtypes = [
    ctypes.c_void_p,  # iter : UCharIterator* in/out
    ctypes.POINTER(ctypes.c_ushort),  # s : WORD*
    ctypes.c_int,  # length : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
uiter_setString = Fiddle::Function.new(
  lib['uiter_setString'],
  [
    Fiddle::TYPE_VOIDP,  # iter : UCharIterator* in/out
    Fiddle::TYPE_VOIDP,  # s : WORD*
    Fiddle::TYPE_INT,  # length : INT
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn uiter_setString(
        iter: *mut UCharIterator,  // UCharIterator* in/out
        s: *const u16,  // WORD*
        length: i32  // INT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void uiter_setString(IntPtr iter, ref ushort s, int length);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_uiter_setString' -Namespace Win32 -PassThru
# $api::uiter_setString(iter, s, length)

#uselib "icuuc.dll"
#func global uiter_setString "uiter_setString" sptr, sptr, sptr
; uiter_setString varptr(iter), varptr(s), length
; iter : UCharIterator* in/out -> "sptr"
; s : WORD* -> "sptr"
; length : INT -> "sptr"

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procuiter_setString = icuuc.NewProc("uiter_setString")
)

// iter (UCharIterator* in/out), s (WORD*), length (INT)
r1, _, err := procuiter_setString.Call(
	uintptr(iter),
	uintptr(s),
	uintptr(length),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure uiter_setString(
  iter: Pointer;   // UCharIterator* in/out
  s: Pointer;   // WORD*
  length: Integer   // INT
); cdecl;
  external 'icuuc.dll' name 'uiter_setString';

result := DllCall("icuuc\uiter_setString"
    , "Ptr", iter   ; UCharIterator* in/out
    , "Ptr", s   ; WORD*
    , "Int", length   ; INT
    , "Cdecl Int")   ; return: void

●uiter_setString(iter, s, length) = DLL("icuuc.dll", "int uiter_setString(void*, void*, int)")
# 呼び出し: uiter_setString(iter, s, length)
# iter : UCharIterator* in/out -> "void*"
# s : WORD* -> "void*"
# length : 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 "icuuc" fn uiter_setString(
    iter: [*c]UCharIterator, // UCharIterator* in/out
    s: [*c]u16, // WORD*
    length: i32 // INT
) callconv(.c) void;

proc uiter_setString(
    iter: ptr UCharIterator,  # UCharIterator* in/out
    s: ptr uint16,  # WORD*
    length: int32  # INT
) {.importc: "uiter_setString", cdecl, dynlib: "icuuc.dll".}

pragma(lib, "icuuc");
extern(C)
void uiter_setString(
    UCharIterator* iter,   // UCharIterator* in/out
    ushort* s,   // WORD*
    int length   // INT
);

ccall((:uiter_setString, "icuuc.dll"), Cvoid,
      (Ptr{UCharIterator}, Ptr{UInt16}, Int32),
      iter, s, length)
# iter : UCharIterator* in/out -> Ptr{UCharIterator}
# s : WORD* -> Ptr{UInt16}
# length : INT -> Int32

local ffi = require("ffi")
ffi.cdef[[
void uiter_setString(
    void* iter,
    uint16_t* s,
    int32_t length);
]]
local icuuc = ffi.load("icuuc")
-- icuuc.uiter_setString(iter, s, length)
-- iter : UCharIterator* in/out
-- s : WORD*
-- length : 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('icuuc.dll');
const uiter_setString = lib.func('__cdecl', 'uiter_setString', 'void', ['void *', 'uint16_t *', 'int32_t']);
// uiter_setString(iter, s, length)
// iter : UCharIterator* in/out -> 'void *'
// s : WORD* -> 'uint16_t *'
// length : 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("icuuc.dll", {
  uiter_setString: { parameters: ["pointer", "pointer", "i32"], result: "void" },
});
// lib.symbols.uiter_setString(iter, s, length)
// iter : UCharIterator* in/out -> "pointer"
// s : WORD* -> "pointer"
// length : 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 uiter_setString(
    void* iter,
    uint16_t* s,
    int32_t length);
C, "icuuc.dll");
// $ffi->uiter_setString(iter, s, length);
// iter : UCharIterator* in/out
// s : WORD*
// length : 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 Icuuc extends Library {
    Icuuc INSTANCE = Native.load("icuuc", Icuuc.class);
    void uiter_setString(
        Pointer iter,   // UCharIterator* in/out
        ShortByReference s,   // WORD*
        int length   // INT
    );
}

@[Link("icuuc")]
lib Libicuuc
  fun uiter_setString = uiter_setString(
    iter : UCharIterator*,   # UCharIterator* in/out
    s : UInt16*,   # WORD*
    length : 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 uiter_setStringNative = Void Function(Pointer<Void>, Pointer<Uint16>, Int32);
typedef uiter_setStringDart = void Function(Pointer<Void>, Pointer<Uint16>, int);
final uiter_setString = DynamicLibrary.open('icuuc.dll')
    .lookupFunction<uiter_setStringNative, uiter_setStringDart>('uiter_setString');
// iter : UCharIterator* in/out -> Pointer<Void>
// s : WORD* -> Pointer<Uint16>
// length : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure uiter_setString(
  iter: Pointer;   // UCharIterator* in/out
  s: Pointer;   // WORD*
  length: Integer   // INT
); cdecl;
  external 'icuuc.dll' name 'uiter_setString';

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

foreign import ccall safe "uiter_setString"
  c_uiter_setString :: Ptr () -> Ptr Word16 -> Int32 -> IO ()
-- iter : UCharIterator* in/out -> Ptr ()
-- s : WORD* -> Ptr Word16
-- length : 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 uiter_setstring =
  foreign "uiter_setString"
    ((ptr void) @-> (ptr uint16_t) @-> int32_t @-> returning void)
(* iter : UCharIterator* in/out -> (ptr void) *)
(* s : WORD* -> (ptr uint16_t) *)
(* length : 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 icuuc (t "icuuc.dll"))
(cffi:use-foreign-library icuuc)

(cffi:defcfun ("uiter_setString" uiter-set-string :convention :cdecl) :void
  (iter :pointer)   ; UCharIterator* in/out
  (s :pointer)   ; WORD*
  (length :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $uiter_setString = Win32::API::More->new('icuuc',
    'void uiter_setString(LPVOID iter, LPVOID s, int length)');
# my $ret = $uiter_setString->Call($iter, $s, $length);
# iter : UCharIterator* in/out -> LPVOID
# s : WORD* -> LPVOID
# length : INT -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。