CoReleaseMarshalData

// OLE32.dll
#include <windows.h>

HRESULT CoReleaseMarshalData(
    IStream* pStm
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CoReleaseMarshalData(
    pStm As IntPtr   ' IStream*
) As Integer
End Function

' pStm : IStream*
Declare PtrSafe Function CoReleaseMarshalData Lib "ole32" ( _
    ByVal pStm 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

CoReleaseMarshalData = ctypes.windll.ole32.CoReleaseMarshalData
CoReleaseMarshalData.restype = ctypes.c_int
CoReleaseMarshalData.argtypes = [
    ctypes.c_void_p,  # pStm : IStream*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoReleaseMarshalData = Fiddle::Function.new(
  lib['CoReleaseMarshalData'],
  [
    Fiddle::TYPE_VOIDP,  # pStm : IStream*
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn CoReleaseMarshalData(
        pStm: *mut core::ffi::c_void  // IStream*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int CoReleaseMarshalData(IntPtr pStm);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoReleaseMarshalData' -Namespace Win32 -PassThru
# $api::CoReleaseMarshalData(pStm)

#uselib "OLE32.dll"
#func global CoReleaseMarshalData "CoReleaseMarshalData" sptr
; CoReleaseMarshalData pStm   ; 戻り値は stat
; pStm : IStream* -> "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 "OLE32.dll"
#cfunc global CoReleaseMarshalData "CoReleaseMarshalData" sptr
; res = CoReleaseMarshalData(pStm)
; pStm : IStream* -> "sptr"

; HRESULT CoReleaseMarshalData(IStream* pStm)
#uselib "OLE32.dll"
#cfunc global CoReleaseMarshalData "CoReleaseMarshalData" intptr
; res = CoReleaseMarshalData(pStm)
; pStm : IStream* -> "intptr"

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoReleaseMarshalData = ole32.NewProc("CoReleaseMarshalData")
)

// pStm (IStream*)
r1, _, err := procCoReleaseMarshalData.Call(
	uintptr(pStm),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoReleaseMarshalData(
  pStm: Pointer   // IStream*
): Integer; stdcall;
  external 'OLE32.dll' name 'CoReleaseMarshalData';

result := DllCall("OLE32\CoReleaseMarshalData"
    , "Ptr", pStm   ; IStream*
    , "Int")   ; return: HRESULT

●CoReleaseMarshalData(pStm) = DLL("OLE32.dll", "int CoReleaseMarshalData(void*)")
# 呼び出し: CoReleaseMarshalData(pStm)
# pStm : IStream* -> "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)。