RpcMgmtEpUnregister

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

RPC_STATUS RpcMgmtEpUnregister(
    void* EpBinding,   // optional
    RPC_IF_ID* IfId,
    void* Binding,
    GUID* ObjectUuid   // optional
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function RpcMgmtEpUnregister(
    EpBinding As IntPtr,   ' void* optional
    IfId As IntPtr,   ' RPC_IF_ID*
    Binding As IntPtr,   ' void*
    ObjectUuid As IntPtr   ' GUID* optional
) As Integer
End Function

' EpBinding : void* optional
' IfId : RPC_IF_ID*
' Binding : void*
' ObjectUuid : GUID* optional
Declare PtrSafe Function RpcMgmtEpUnregister Lib "rpcrt4" ( _
    ByVal EpBinding As LongPtr, _
    ByVal IfId As LongPtr, _
    ByVal Binding As LongPtr, _
    ByVal ObjectUuid 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

RpcMgmtEpUnregister = ctypes.windll.rpcrt4.RpcMgmtEpUnregister
RpcMgmtEpUnregister.restype = ctypes.c_int
RpcMgmtEpUnregister.argtypes = [
    ctypes.POINTER(None),  # EpBinding : void* optional
    ctypes.c_void_p,  # IfId : RPC_IF_ID*
    ctypes.POINTER(None),  # Binding : void*
    ctypes.c_void_p,  # ObjectUuid : GUID* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
RpcMgmtEpUnregister = Fiddle::Function.new(
  lib['RpcMgmtEpUnregister'],
  [
    Fiddle::TYPE_VOIDP,  # EpBinding : void* optional
    Fiddle::TYPE_VOIDP,  # IfId : RPC_IF_ID*
    Fiddle::TYPE_VOIDP,  # Binding : void*
    Fiddle::TYPE_VOIDP,  # ObjectUuid : GUID* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn RpcMgmtEpUnregister(
        EpBinding: *mut (),  // void* optional
        IfId: *mut RPC_IF_ID,  // RPC_IF_ID*
        Binding: *mut (),  // void*
        ObjectUuid: *mut GUID  // GUID* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int RpcMgmtEpUnregister(IntPtr EpBinding, IntPtr IfId, IntPtr Binding, IntPtr ObjectUuid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_RpcMgmtEpUnregister' -Namespace Win32 -PassThru
# $api::RpcMgmtEpUnregister(EpBinding, IfId, Binding, ObjectUuid)

#uselib "RPCRT4.dll"
#func global RpcMgmtEpUnregister "RpcMgmtEpUnregister" sptr, sptr, sptr, sptr
; RpcMgmtEpUnregister EpBinding, varptr(IfId), Binding, varptr(ObjectUuid)   ; 戻り値は stat
; EpBinding : void* optional -> "sptr"
; IfId : RPC_IF_ID* -> "sptr"
; Binding : void* -> "sptr"
; ObjectUuid : GUID* optional -> "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 RpcMgmtEpUnregister "RpcMgmtEpUnregister" sptr, var, sptr, var
; res = RpcMgmtEpUnregister(EpBinding, IfId, Binding, ObjectUuid)
; EpBinding : void* optional -> "sptr"
; IfId : RPC_IF_ID* -> "var"
; Binding : void* -> "sptr"
; ObjectUuid : GUID* optional -> "var"
; ※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 RpcMgmtEpUnregister(void* EpBinding, RPC_IF_ID* IfId, void* Binding, GUID* ObjectUuid)
#uselib "RPCRT4.dll"
#cfunc global RpcMgmtEpUnregister "RpcMgmtEpUnregister" intptr, var, intptr, var
; res = RpcMgmtEpUnregister(EpBinding, IfId, Binding, ObjectUuid)
; EpBinding : void* optional -> "intptr"
; IfId : RPC_IF_ID* -> "var"
; Binding : void* -> "intptr"
; ObjectUuid : GUID* optional -> "var"
; ※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")
	procRpcMgmtEpUnregister = rpcrt4.NewProc("RpcMgmtEpUnregister")
)

// EpBinding (void* optional), IfId (RPC_IF_ID*), Binding (void*), ObjectUuid (GUID* optional)
r1, _, err := procRpcMgmtEpUnregister.Call(
	uintptr(EpBinding),
	uintptr(IfId),
	uintptr(Binding),
	uintptr(ObjectUuid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function RpcMgmtEpUnregister(
  EpBinding: Pointer;   // void* optional
  IfId: Pointer;   // RPC_IF_ID*
  Binding: Pointer;   // void*
  ObjectUuid: PGUID   // GUID* optional
): Integer; stdcall;
  external 'RPCRT4.dll' name 'RpcMgmtEpUnregister';

result := DllCall("RPCRT4\RpcMgmtEpUnregister"
    , "Ptr", EpBinding   ; void* optional
    , "Ptr", IfId   ; RPC_IF_ID*
    , "Ptr", Binding   ; void*
    , "Ptr", ObjectUuid   ; GUID* optional
    , "Int")   ; return: RPC_STATUS

●RpcMgmtEpUnregister(EpBinding, IfId, Binding, ObjectUuid) = DLL("RPCRT4.dll", "int RpcMgmtEpUnregister(void*, void*, void*, void*)")
# 呼び出し: RpcMgmtEpUnregister(EpBinding, IfId, Binding, ObjectUuid)
# EpBinding : void* optional -> "void*"
# IfId : RPC_IF_ID* -> "void*"
# Binding : void* -> "void*"
# ObjectUuid : GUID* optional -> "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)。