RpcAsyncInitializeHandle

// RPCRT4.dll
#include <windows.h>

RPC_STATUS RpcAsyncInitializeHandle(
    RPC_ASYNC_STATE* pAsync,
    DWORD Size
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function RpcAsyncInitializeHandle(
    pAsync As IntPtr,   ' RPC_ASYNC_STATE* out
    Size As UInteger   ' DWORD
) As Integer
End Function

' pAsync : RPC_ASYNC_STATE* out
' Size : DWORD
Declare PtrSafe Function RpcAsyncInitializeHandle Lib "rpcrt4" ( _
    ByVal pAsync As LongPtr, _
    ByVal Size 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

RpcAsyncInitializeHandle = ctypes.windll.rpcrt4.RpcAsyncInitializeHandle
RpcAsyncInitializeHandle.restype = ctypes.c_int
RpcAsyncInitializeHandle.argtypes = [
    ctypes.c_void_p,  # pAsync : RPC_ASYNC_STATE* out
    wintypes.DWORD,  # Size : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
RpcAsyncInitializeHandle = Fiddle::Function.new(
  lib['RpcAsyncInitializeHandle'],
  [
    Fiddle::TYPE_VOIDP,  # pAsync : RPC_ASYNC_STATE* out
    -Fiddle::TYPE_INT,  # Size : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn RpcAsyncInitializeHandle(
        pAsync: *mut RPC_ASYNC_STATE,  // RPC_ASYNC_STATE* out
        Size: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int RpcAsyncInitializeHandle(IntPtr pAsync, uint Size);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_RpcAsyncInitializeHandle' -Namespace Win32 -PassThru
# $api::RpcAsyncInitializeHandle(pAsync, Size)

#uselib "RPCRT4.dll"
#func global RpcAsyncInitializeHandle "RpcAsyncInitializeHandle" sptr, sptr
; RpcAsyncInitializeHandle varptr(pAsync), Size   ; 戻り値は stat
; pAsync : RPC_ASYNC_STATE* out -> "sptr"
; Size : DWORD -> "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。

#uselib "RPCRT4.dll"
#cfunc global RpcAsyncInitializeHandle "RpcAsyncInitializeHandle" var, int
; res = RpcAsyncInitializeHandle(pAsync, Size)
; pAsync : RPC_ASYNC_STATE* out -> "var"
; Size : DWORD -> "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。

; RPC_STATUS RpcAsyncInitializeHandle(RPC_ASYNC_STATE* pAsync, DWORD Size)
#uselib "RPCRT4.dll"
#cfunc global RpcAsyncInitializeHandle "RpcAsyncInitializeHandle" var, int
; res = RpcAsyncInitializeHandle(pAsync, Size)
; pAsync : RPC_ASYNC_STATE* out -> "var"
; Size : DWORD -> "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 (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procRpcAsyncInitializeHandle = rpcrt4.NewProc("RpcAsyncInitializeHandle")
)

// pAsync (RPC_ASYNC_STATE* out), Size (DWORD)
r1, _, err := procRpcAsyncInitializeHandle.Call(
	uintptr(pAsync),
	uintptr(Size),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function RpcAsyncInitializeHandle(
  pAsync: Pointer;   // RPC_ASYNC_STATE* out
  Size: DWORD   // DWORD
): Integer; stdcall;
  external 'RPCRT4.dll' name 'RpcAsyncInitializeHandle';

result := DllCall("RPCRT4\RpcAsyncInitializeHandle"
    , "Ptr", pAsync   ; RPC_ASYNC_STATE* out
    , "UInt", Size   ; DWORD
    , "Int")   ; return: RPC_STATUS

●RpcAsyncInitializeHandle(pAsync, Size) = DLL("RPCRT4.dll", "int RpcAsyncInitializeHandle(void*, dword)")
# 呼び出し: RpcAsyncInitializeHandle(pAsync, Size)
# pAsync : RPC_ASYNC_STATE* out -> "void*"
# Size : DWORD -> "dword"
# 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)。