RpcSmSwapClientAllocFree

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

RPC_STATUS RpcSmSwapClientAllocFree(
    RPC_CLIENT_ALLOC ClientAlloc,
    RPC_CLIENT_FREE ClientFree,
    RPC_CLIENT_ALLOC* OldClientAlloc,
    RPC_CLIENT_FREE* OldClientFree
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function RpcSmSwapClientAllocFree(
    ClientAlloc As IntPtr,   ' RPC_CLIENT_ALLOC
    ClientFree As IntPtr,   ' RPC_CLIENT_FREE
    OldClientAlloc As IntPtr,   ' RPC_CLIENT_ALLOC* out
    OldClientFree As IntPtr   ' RPC_CLIENT_FREE* out
) As Integer
End Function

' ClientAlloc : RPC_CLIENT_ALLOC
' ClientFree : RPC_CLIENT_FREE
' OldClientAlloc : RPC_CLIENT_ALLOC* out
' OldClientFree : RPC_CLIENT_FREE* out
Declare PtrSafe Function RpcSmSwapClientAllocFree Lib "rpcrt4" ( _
    ByVal ClientAlloc As LongPtr, _
    ByVal ClientFree As LongPtr, _
    ByVal OldClientAlloc As LongPtr, _
    ByVal OldClientFree As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

RpcSmSwapClientAllocFree = ctypes.windll.rpcrt4.RpcSmSwapClientAllocFree
RpcSmSwapClientAllocFree.restype = ctypes.c_int
RpcSmSwapClientAllocFree.argtypes = [
    ctypes.c_void_p,  # ClientAlloc : RPC_CLIENT_ALLOC
    ctypes.c_void_p,  # ClientFree : RPC_CLIENT_FREE
    ctypes.c_void_p,  # OldClientAlloc : RPC_CLIENT_ALLOC* out
    ctypes.c_void_p,  # OldClientFree : RPC_CLIENT_FREE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
RpcSmSwapClientAllocFree = Fiddle::Function.new(
  lib['RpcSmSwapClientAllocFree'],
  [
    Fiddle::TYPE_VOIDP,  # ClientAlloc : RPC_CLIENT_ALLOC
    Fiddle::TYPE_VOIDP,  # ClientFree : RPC_CLIENT_FREE
    Fiddle::TYPE_VOIDP,  # OldClientAlloc : RPC_CLIENT_ALLOC* out
    Fiddle::TYPE_VOIDP,  # OldClientFree : RPC_CLIENT_FREE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn RpcSmSwapClientAllocFree(
        ClientAlloc: *const core::ffi::c_void,  // RPC_CLIENT_ALLOC
        ClientFree: *const core::ffi::c_void,  // RPC_CLIENT_FREE
        OldClientAlloc: *mut *const core::ffi::c_void,  // RPC_CLIENT_ALLOC* out
        OldClientFree: *mut *const core::ffi::c_void  // RPC_CLIENT_FREE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int RpcSmSwapClientAllocFree(IntPtr ClientAlloc, IntPtr ClientFree, IntPtr OldClientAlloc, IntPtr OldClientFree);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_RpcSmSwapClientAllocFree' -Namespace Win32 -PassThru
# $api::RpcSmSwapClientAllocFree(ClientAlloc, ClientFree, OldClientAlloc, OldClientFree)

#uselib "RPCRT4.dll"
#func global RpcSmSwapClientAllocFree "RpcSmSwapClientAllocFree" sptr, sptr, sptr, sptr
; RpcSmSwapClientAllocFree ClientAlloc, ClientFree, OldClientAlloc, OldClientFree   ; 戻り値は stat
; ClientAlloc : RPC_CLIENT_ALLOC -> "sptr"
; ClientFree : RPC_CLIENT_FREE -> "sptr"
; OldClientAlloc : RPC_CLIENT_ALLOC* out -> "sptr"
; OldClientFree : RPC_CLIENT_FREE* 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。

#uselib "RPCRT4.dll"
#cfunc global RpcSmSwapClientAllocFree "RpcSmSwapClientAllocFree" sptr, sptr, sptr, sptr
; res = RpcSmSwapClientAllocFree(ClientAlloc, ClientFree, OldClientAlloc, OldClientFree)
; ClientAlloc : RPC_CLIENT_ALLOC -> "sptr"
; ClientFree : RPC_CLIENT_FREE -> "sptr"
; OldClientAlloc : RPC_CLIENT_ALLOC* out -> "sptr"
; OldClientFree : RPC_CLIENT_FREE* out -> "sptr"

; RPC_STATUS RpcSmSwapClientAllocFree(RPC_CLIENT_ALLOC ClientAlloc, RPC_CLIENT_FREE ClientFree, RPC_CLIENT_ALLOC* OldClientAlloc, RPC_CLIENT_FREE* OldClientFree)
#uselib "RPCRT4.dll"
#cfunc global RpcSmSwapClientAllocFree "RpcSmSwapClientAllocFree" intptr, intptr, intptr, intptr
; res = RpcSmSwapClientAllocFree(ClientAlloc, ClientFree, OldClientAlloc, OldClientFree)
; ClientAlloc : RPC_CLIENT_ALLOC -> "intptr"
; ClientFree : RPC_CLIENT_FREE -> "intptr"
; OldClientAlloc : RPC_CLIENT_ALLOC* out -> "intptr"
; OldClientFree : RPC_CLIENT_FREE* out -> "intptr"

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

var (
	rpcrt4 = windows.NewLazySystemDLL("RPCRT4.dll")
	procRpcSmSwapClientAllocFree = rpcrt4.NewProc("RpcSmSwapClientAllocFree")
)

// ClientAlloc (RPC_CLIENT_ALLOC), ClientFree (RPC_CLIENT_FREE), OldClientAlloc (RPC_CLIENT_ALLOC* out), OldClientFree (RPC_CLIENT_FREE* out)
r1, _, err := procRpcSmSwapClientAllocFree.Call(
	uintptr(ClientAlloc),
	uintptr(ClientFree),
	uintptr(OldClientAlloc),
	uintptr(OldClientFree),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function RpcSmSwapClientAllocFree(
  ClientAlloc: Pointer;   // RPC_CLIENT_ALLOC
  ClientFree: Pointer;   // RPC_CLIENT_FREE
  OldClientAlloc: Pointer;   // RPC_CLIENT_ALLOC* out
  OldClientFree: Pointer   // RPC_CLIENT_FREE* out
): Integer; stdcall;
  external 'RPCRT4.dll' name 'RpcSmSwapClientAllocFree';

result := DllCall("RPCRT4\RpcSmSwapClientAllocFree"
    , "Ptr", ClientAlloc   ; RPC_CLIENT_ALLOC
    , "Ptr", ClientFree   ; RPC_CLIENT_FREE
    , "Ptr", OldClientAlloc   ; RPC_CLIENT_ALLOC* out
    , "Ptr", OldClientFree   ; RPC_CLIENT_FREE* out
    , "Int")   ; return: RPC_STATUS

●RpcSmSwapClientAllocFree(ClientAlloc, ClientFree, OldClientAlloc, OldClientFree) = DLL("RPCRT4.dll", "int RpcSmSwapClientAllocFree(void*, void*, void*, void*)")
# 呼び出し: RpcSmSwapClientAllocFree(ClientAlloc, ClientFree, OldClientAlloc, OldClientFree)
# ClientAlloc : RPC_CLIENT_ALLOC -> "void*"
# ClientFree : RPC_CLIENT_FREE -> "void*"
# OldClientAlloc : RPC_CLIENT_ALLOC* out -> "void*"
# OldClientFree : RPC_CLIENT_FREE* 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)。