RpcEpUnregister

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

RPC_STATUS RpcEpUnregister(
    void* IfSpec,
    RPC_BINDING_VECTOR* BindingVector,
    UUID_VECTOR* UuidVector   // optional
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function RpcEpUnregister(
    IfSpec As IntPtr,   ' void*
    BindingVector As IntPtr,   ' RPC_BINDING_VECTOR*
    UuidVector As IntPtr   ' UUID_VECTOR* optional
) As Integer
End Function

' IfSpec : void*
' BindingVector : RPC_BINDING_VECTOR*
' UuidVector : UUID_VECTOR* optional
Declare PtrSafe Function RpcEpUnregister Lib "rpcrt4" ( _
    ByVal IfSpec As LongPtr, _
    ByVal BindingVector As LongPtr, _
    ByVal UuidVector 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

RpcEpUnregister = ctypes.windll.rpcrt4.RpcEpUnregister
RpcEpUnregister.restype = ctypes.c_int
RpcEpUnregister.argtypes = [
    ctypes.POINTER(None),  # IfSpec : void*
    ctypes.c_void_p,  # BindingVector : RPC_BINDING_VECTOR*
    ctypes.c_void_p,  # UuidVector : UUID_VECTOR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
RpcEpUnregister = Fiddle::Function.new(
  lib['RpcEpUnregister'],
  [
    Fiddle::TYPE_VOIDP,  # IfSpec : void*
    Fiddle::TYPE_VOIDP,  # BindingVector : RPC_BINDING_VECTOR*
    Fiddle::TYPE_VOIDP,  # UuidVector : UUID_VECTOR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn RpcEpUnregister(
        IfSpec: *mut (),  // void*
        BindingVector: *mut RPC_BINDING_VECTOR,  // RPC_BINDING_VECTOR*
        UuidVector: *mut UUID_VECTOR  // UUID_VECTOR* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int RpcEpUnregister(IntPtr IfSpec, IntPtr BindingVector, IntPtr UuidVector);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_RpcEpUnregister' -Namespace Win32 -PassThru
# $api::RpcEpUnregister(IfSpec, BindingVector, UuidVector)

#uselib "RPCRT4.dll"
#func global RpcEpUnregister "RpcEpUnregister" sptr, sptr, sptr
; RpcEpUnregister IfSpec, varptr(BindingVector), varptr(UuidVector)   ; 戻り値は stat
; IfSpec : void* -> "sptr"
; BindingVector : RPC_BINDING_VECTOR* -> "sptr"
; UuidVector : UUID_VECTOR* 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 RpcEpUnregister "RpcEpUnregister" sptr, var, var
; res = RpcEpUnregister(IfSpec, BindingVector, UuidVector)
; IfSpec : void* -> "sptr"
; BindingVector : RPC_BINDING_VECTOR* -> "var"
; UuidVector : UUID_VECTOR* 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 RpcEpUnregister(void* IfSpec, RPC_BINDING_VECTOR* BindingVector, UUID_VECTOR* UuidVector)
#uselib "RPCRT4.dll"
#cfunc global RpcEpUnregister "RpcEpUnregister" intptr, var, var
; res = RpcEpUnregister(IfSpec, BindingVector, UuidVector)
; IfSpec : void* -> "intptr"
; BindingVector : RPC_BINDING_VECTOR* -> "var"
; UuidVector : UUID_VECTOR* 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")
	procRpcEpUnregister = rpcrt4.NewProc("RpcEpUnregister")
)

// IfSpec (void*), BindingVector (RPC_BINDING_VECTOR*), UuidVector (UUID_VECTOR* optional)
r1, _, err := procRpcEpUnregister.Call(
	uintptr(IfSpec),
	uintptr(BindingVector),
	uintptr(UuidVector),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function RpcEpUnregister(
  IfSpec: Pointer;   // void*
  BindingVector: Pointer;   // RPC_BINDING_VECTOR*
  UuidVector: Pointer   // UUID_VECTOR* optional
): Integer; stdcall;
  external 'RPCRT4.dll' name 'RpcEpUnregister';

result := DllCall("RPCRT4\RpcEpUnregister"
    , "Ptr", IfSpec   ; void*
    , "Ptr", BindingVector   ; RPC_BINDING_VECTOR*
    , "Ptr", UuidVector   ; UUID_VECTOR* optional
    , "Int")   ; return: RPC_STATUS

●RpcEpUnregister(IfSpec, BindingVector, UuidVector) = DLL("RPCRT4.dll", "int RpcEpUnregister(void*, void*, void*)")
# 呼び出し: RpcEpUnregister(IfSpec, BindingVector, UuidVector)
# IfSpec : void* -> "void*"
# BindingVector : RPC_BINDING_VECTOR* -> "void*"
# UuidVector : UUID_VECTOR* 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)。