WrapCompressedRTFStream

// MAPI32.dll
#include <windows.h>

HRESULT WrapCompressedRTFStream(
    IStream* lpCompressedRTFStream,
    DWORD ulFlags,
    IStream** lpUncompressedRTFStream
);

<DllImport("MAPI32.dll", ExactSpelling:=True)>
Public Shared Function WrapCompressedRTFStream(
    lpCompressedRTFStream As IntPtr,   ' IStream*
    ulFlags As UInteger,   ' DWORD
    lpUncompressedRTFStream As IntPtr   ' IStream** out
) As Integer
End Function

' lpCompressedRTFStream : IStream*
' ulFlags : DWORD
' lpUncompressedRTFStream : IStream** out
Declare PtrSafe Function WrapCompressedRTFStream Lib "mapi32" ( _
    ByVal lpCompressedRTFStream As LongPtr, _
    ByVal ulFlags As Long, _
    ByVal lpUncompressedRTFStream 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

WrapCompressedRTFStream = ctypes.windll.mapi32.WrapCompressedRTFStream
WrapCompressedRTFStream.restype = ctypes.c_int
WrapCompressedRTFStream.argtypes = [
    ctypes.c_void_p,  # lpCompressedRTFStream : IStream*
    wintypes.DWORD,  # ulFlags : DWORD
    ctypes.c_void_p,  # lpUncompressedRTFStream : IStream** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MAPI32.dll')
WrapCompressedRTFStream = Fiddle::Function.new(
  lib['WrapCompressedRTFStream'],
  [
    Fiddle::TYPE_VOIDP,  # lpCompressedRTFStream : IStream*
    -Fiddle::TYPE_INT,  # ulFlags : DWORD
    Fiddle::TYPE_VOIDP,  # lpUncompressedRTFStream : IStream** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mapi32")]
extern "system" {
    fn WrapCompressedRTFStream(
        lpCompressedRTFStream: *mut core::ffi::c_void,  // IStream*
        ulFlags: u32,  // DWORD
        lpUncompressedRTFStream: *mut *mut core::ffi::c_void  // IStream** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MAPI32.dll")]
public static extern int WrapCompressedRTFStream(IntPtr lpCompressedRTFStream, uint ulFlags, IntPtr lpUncompressedRTFStream);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MAPI32_WrapCompressedRTFStream' -Namespace Win32 -PassThru
# $api::WrapCompressedRTFStream(lpCompressedRTFStream, ulFlags, lpUncompressedRTFStream)

#uselib "MAPI32.dll"
#func global WrapCompressedRTFStream "WrapCompressedRTFStream" sptr, sptr, sptr
; WrapCompressedRTFStream lpCompressedRTFStream, ulFlags, lpUncompressedRTFStream   ; 戻り値は stat
; lpCompressedRTFStream : IStream* -> "sptr"
; ulFlags : DWORD -> "sptr"
; lpUncompressedRTFStream : IStream** 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 "MAPI32.dll"
#cfunc global WrapCompressedRTFStream "WrapCompressedRTFStream" sptr, int, sptr
; res = WrapCompressedRTFStream(lpCompressedRTFStream, ulFlags, lpUncompressedRTFStream)
; lpCompressedRTFStream : IStream* -> "sptr"
; ulFlags : DWORD -> "int"
; lpUncompressedRTFStream : IStream** out -> "sptr"

; HRESULT WrapCompressedRTFStream(IStream* lpCompressedRTFStream, DWORD ulFlags, IStream** lpUncompressedRTFStream)
#uselib "MAPI32.dll"
#cfunc global WrapCompressedRTFStream "WrapCompressedRTFStream" intptr, int, intptr
; res = WrapCompressedRTFStream(lpCompressedRTFStream, ulFlags, lpUncompressedRTFStream)
; lpCompressedRTFStream : IStream* -> "intptr"
; ulFlags : DWORD -> "int"
; lpUncompressedRTFStream : IStream** out -> "intptr"

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

var (
	mapi32 = windows.NewLazySystemDLL("MAPI32.dll")
	procWrapCompressedRTFStream = mapi32.NewProc("WrapCompressedRTFStream")
)

// lpCompressedRTFStream (IStream*), ulFlags (DWORD), lpUncompressedRTFStream (IStream** out)
r1, _, err := procWrapCompressedRTFStream.Call(
	uintptr(lpCompressedRTFStream),
	uintptr(ulFlags),
	uintptr(lpUncompressedRTFStream),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WrapCompressedRTFStream(
  lpCompressedRTFStream: Pointer;   // IStream*
  ulFlags: DWORD;   // DWORD
  lpUncompressedRTFStream: Pointer   // IStream** out
): Integer; stdcall;
  external 'MAPI32.dll' name 'WrapCompressedRTFStream';

result := DllCall("MAPI32\WrapCompressedRTFStream"
    , "Ptr", lpCompressedRTFStream   ; IStream*
    , "UInt", ulFlags   ; DWORD
    , "Ptr", lpUncompressedRTFStream   ; IStream** out
    , "Int")   ; return: HRESULT

●WrapCompressedRTFStream(lpCompressedRTFStream, ulFlags, lpUncompressedRTFStream) = DLL("MAPI32.dll", "int WrapCompressedRTFStream(void*, dword, void*)")
# 呼び出し: WrapCompressedRTFStream(lpCompressedRTFStream, ulFlags, lpUncompressedRTFStream)
# lpCompressedRTFStream : IStream* -> "void*"
# ulFlags : DWORD -> "dword"
# lpUncompressedRTFStream : IStream** 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)。