uiter_setState

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

void uiter_setState(
    UCharIterator* iter,
    DWORD state,
    UErrorCode* pErrorCode
);

<DllImport("icuuc.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Sub uiter_setState(
    iter As IntPtr,   ' UCharIterator* in/out
    state As UInteger,   ' DWORD
    ByRef pErrorCode As Integer   ' UErrorCode* in/out
)
End Sub

' iter : UCharIterator* in/out
' state : DWORD
' pErrorCode : UErrorCode* in/out
Declare PtrSafe Sub uiter_setState Lib "icuuc" ( _
    ByVal iter As LongPtr, _
    ByVal state As Long, _
    ByRef pErrorCode 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_setState = ctypes.cdll.icuuc.uiter_setState
uiter_setState.restype = None
uiter_setState.argtypes = [
    ctypes.c_void_p,  # iter : UCharIterator* in/out
    wintypes.DWORD,  # state : DWORD
    ctypes.c_void_p,  # pErrorCode : UErrorCode* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('icuuc.dll')
uiter_setState = Fiddle::Function.new(
  lib['uiter_setState'],
  [
    Fiddle::TYPE_VOIDP,  # iter : UCharIterator* in/out
    -Fiddle::TYPE_INT,  # state : DWORD
    Fiddle::TYPE_VOIDP,  # pErrorCode : UErrorCode* in/out
  ],
  Fiddle::TYPE_VOID, Fiddle::Function::CDECL)

#[link(name = "icuuc")]
extern "C" {
    fn uiter_setState(
        iter: *mut UCharIterator,  // UCharIterator* in/out
        state: u32,  // DWORD
        pErrorCode: *mut i32  // UErrorCode* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("icuuc.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern void uiter_setState(IntPtr iter, uint state, ref int pErrorCode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'icuuc_uiter_setState' -Namespace Win32 -PassThru
# $api::uiter_setState(iter, state, pErrorCode)

#uselib "icuuc.dll"
#func global uiter_setState "uiter_setState" sptr, sptr, sptr
; uiter_setState varptr(iter), state, pErrorCode
; iter : UCharIterator* in/out -> "sptr"
; state : DWORD -> "sptr"
; pErrorCode : UErrorCode* in/out -> "sptr"

#uselib "icuuc.dll"
#func global uiter_setState "uiter_setState" var, int, int
; uiter_setState iter, state, pErrorCode
; iter : UCharIterator* in/out -> "var"
; state : DWORD -> "int"
; pErrorCode : UErrorCode* in/out -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; void uiter_setState(UCharIterator* iter, DWORD state, UErrorCode* pErrorCode)
#uselib "icuuc.dll"
#func global uiter_setState "uiter_setState" var, int, int
; uiter_setState iter, state, pErrorCode
; iter : UCharIterator* in/out -> "var"
; state : DWORD -> "int"
; pErrorCode : UErrorCode* in/out -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	icuuc = windows.NewLazySystemDLL("icuuc.dll")
	procuiter_setState = icuuc.NewProc("uiter_setState")
)

// iter (UCharIterator* in/out), state (DWORD), pErrorCode (UErrorCode* in/out)
r1, _, err := procuiter_setState.Call(
	uintptr(iter),
	uintptr(state),
	uintptr(pErrorCode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure uiter_setState(
  iter: Pointer;   // UCharIterator* in/out
  state: DWORD;   // DWORD
  pErrorCode: Pointer   // UErrorCode* in/out
); cdecl;
  external 'icuuc.dll' name 'uiter_setState';

result := DllCall("icuuc\uiter_setState"
    , "Ptr", iter   ; UCharIterator* in/out
    , "UInt", state   ; DWORD
    , "Ptr", pErrorCode   ; UErrorCode* in/out
    , "Cdecl Int")   ; return: void

●uiter_setState(iter, state, pErrorCode) = DLL("icuuc.dll", "int uiter_setState(void*, dword, void*)")
# 呼び出し: uiter_setState(iter, state, pErrorCode)
# iter : UCharIterator* in/out -> "void*"
# state : DWORD -> "dword"
# pErrorCode : 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。