RpcSsSwapClientAllocFree

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

void RpcSsSwapClientAllocFree(
    RPC_CLIENT_ALLOC ClientAlloc,
    RPC_CLIENT_FREE ClientFree,
    RPC_CLIENT_ALLOC* OldClientAlloc,
    RPC_CLIENT_FREE* OldClientFree
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Sub RpcSsSwapClientAllocFree(
    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
)
End Sub

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

import ctypes
from ctypes import wintypes

RpcSsSwapClientAllocFree = ctypes.windll.rpcrt4.RpcSsSwapClientAllocFree
RpcSsSwapClientAllocFree.restype = None
RpcSsSwapClientAllocFree.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')
RpcSsSwapClientAllocFree = Fiddle::Function.new(
  lib['RpcSsSwapClientAllocFree'],
  [
    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_VOID)

#[link(name = "rpcrt4")]
extern "system" {
    fn RpcSsSwapClientAllocFree(
        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
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern void RpcSsSwapClientAllocFree(IntPtr ClientAlloc, IntPtr ClientFree, IntPtr OldClientAlloc, IntPtr OldClientFree);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_RpcSsSwapClientAllocFree' -Namespace Win32 -PassThru
# $api::RpcSsSwapClientAllocFree(ClientAlloc, ClientFree, OldClientAlloc, OldClientFree)

#uselib "RPCRT4.dll"
#func global RpcSsSwapClientAllocFree "RpcSsSwapClientAllocFree" sptr, sptr, sptr, sptr
; RpcSsSwapClientAllocFree 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"

#uselib "RPCRT4.dll"
#func global RpcSsSwapClientAllocFree "RpcSsSwapClientAllocFree" sptr, sptr, sptr, sptr
; RpcSsSwapClientAllocFree 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"

; void RpcSsSwapClientAllocFree(RPC_CLIENT_ALLOC ClientAlloc, RPC_CLIENT_FREE ClientFree, RPC_CLIENT_ALLOC* OldClientAlloc, RPC_CLIENT_FREE* OldClientFree)
#uselib "RPCRT4.dll"
#func global RpcSsSwapClientAllocFree "RpcSsSwapClientAllocFree" intptr, intptr, intptr, intptr
; RpcSsSwapClientAllocFree 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")
	procRpcSsSwapClientAllocFree = rpcrt4.NewProc("RpcSsSwapClientAllocFree")
)

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

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

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

●RpcSsSwapClientAllocFree(ClientAlloc, ClientFree, OldClientAlloc, OldClientFree) = DLL("RPCRT4.dll", "int RpcSsSwapClientAllocFree(void*, void*, void*, void*)")
# 呼び出し: RpcSsSwapClientAllocFree(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)。