MesBufferHandleReset

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

RPC_STATUS MesBufferHandleReset(
    void* Handle,
    DWORD HandleStyle,
    MIDL_ES_CODE Operation,
    CHAR** pBuffer,   // optional
    DWORD BufferSize,
    DWORD* pEncodedSize   // optional
);

<DllImport("RPCRT4.dll", ExactSpelling:=True)>
Public Shared Function MesBufferHandleReset(
    Handle As IntPtr,   ' void*
    HandleStyle As UInteger,   ' DWORD
    Operation As Integer,   ' MIDL_ES_CODE
    pBuffer As IntPtr,   ' CHAR** optional
    BufferSize As UInteger,   ' DWORD
    pEncodedSize As IntPtr   ' DWORD* optional, out
) As Integer
End Function

' Handle : void*
' HandleStyle : DWORD
' Operation : MIDL_ES_CODE
' pBuffer : CHAR** optional
' BufferSize : DWORD
' pEncodedSize : DWORD* optional, out
Declare PtrSafe Function MesBufferHandleReset Lib "rpcrt4" ( _
    ByVal Handle As LongPtr, _
    ByVal HandleStyle As Long, _
    ByVal Operation As Long, _
    ByVal pBuffer As LongPtr, _
    ByVal BufferSize As Long, _
    ByVal pEncodedSize 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

MesBufferHandleReset = ctypes.windll.rpcrt4.MesBufferHandleReset
MesBufferHandleReset.restype = ctypes.c_int
MesBufferHandleReset.argtypes = [
    ctypes.POINTER(None),  # Handle : void*
    wintypes.DWORD,  # HandleStyle : DWORD
    ctypes.c_int,  # Operation : MIDL_ES_CODE
    ctypes.c_void_p,  # pBuffer : CHAR** optional
    wintypes.DWORD,  # BufferSize : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pEncodedSize : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RPCRT4.dll')
MesBufferHandleReset = Fiddle::Function.new(
  lib['MesBufferHandleReset'],
  [
    Fiddle::TYPE_VOIDP,  # Handle : void*
    -Fiddle::TYPE_INT,  # HandleStyle : DWORD
    Fiddle::TYPE_INT,  # Operation : MIDL_ES_CODE
    Fiddle::TYPE_VOIDP,  # pBuffer : CHAR** optional
    -Fiddle::TYPE_INT,  # BufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # pEncodedSize : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "rpcrt4")]
extern "system" {
    fn MesBufferHandleReset(
        Handle: *mut (),  // void*
        HandleStyle: u32,  // DWORD
        Operation: i32,  // MIDL_ES_CODE
        pBuffer: *mut *mut i8,  // CHAR** optional
        BufferSize: u32,  // DWORD
        pEncodedSize: *mut u32  // DWORD* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RPCRT4.dll")]
public static extern int MesBufferHandleReset(IntPtr Handle, uint HandleStyle, int Operation, IntPtr pBuffer, uint BufferSize, IntPtr pEncodedSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RPCRT4_MesBufferHandleReset' -Namespace Win32 -PassThru
# $api::MesBufferHandleReset(Handle, HandleStyle, Operation, pBuffer, BufferSize, pEncodedSize)

#uselib "RPCRT4.dll"
#func global MesBufferHandleReset "MesBufferHandleReset" sptr, sptr, sptr, sptr, sptr, sptr
; MesBufferHandleReset Handle, HandleStyle, Operation, varptr(pBuffer), BufferSize, varptr(pEncodedSize)   ; 戻り値は stat
; Handle : void* -> "sptr"
; HandleStyle : DWORD -> "sptr"
; Operation : MIDL_ES_CODE -> "sptr"
; pBuffer : CHAR** optional -> "sptr"
; BufferSize : DWORD -> "sptr"
; pEncodedSize : DWORD* optional, 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 "RPCRT4.dll"
#cfunc global MesBufferHandleReset "MesBufferHandleReset" sptr, int, int, var, int, var
; res = MesBufferHandleReset(Handle, HandleStyle, Operation, pBuffer, BufferSize, pEncodedSize)
; Handle : void* -> "sptr"
; HandleStyle : DWORD -> "int"
; Operation : MIDL_ES_CODE -> "int"
; pBuffer : CHAR** optional -> "var"
; BufferSize : DWORD -> "int"
; pEncodedSize : DWORD* optional, out -> "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 MesBufferHandleReset(void* Handle, DWORD HandleStyle, MIDL_ES_CODE Operation, CHAR** pBuffer, DWORD BufferSize, DWORD* pEncodedSize)
#uselib "RPCRT4.dll"
#cfunc global MesBufferHandleReset "MesBufferHandleReset" intptr, int, int, var, int, var
; res = MesBufferHandleReset(Handle, HandleStyle, Operation, pBuffer, BufferSize, pEncodedSize)
; Handle : void* -> "intptr"
; HandleStyle : DWORD -> "int"
; Operation : MIDL_ES_CODE -> "int"
; pBuffer : CHAR** optional -> "var"
; BufferSize : DWORD -> "int"
; pEncodedSize : DWORD* optional, out -> "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")
	procMesBufferHandleReset = rpcrt4.NewProc("MesBufferHandleReset")
)

// Handle (void*), HandleStyle (DWORD), Operation (MIDL_ES_CODE), pBuffer (CHAR** optional), BufferSize (DWORD), pEncodedSize (DWORD* optional, out)
r1, _, err := procMesBufferHandleReset.Call(
	uintptr(Handle),
	uintptr(HandleStyle),
	uintptr(Operation),
	uintptr(pBuffer),
	uintptr(BufferSize),
	uintptr(pEncodedSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // RPC_STATUS

function MesBufferHandleReset(
  Handle: Pointer;   // void*
  HandleStyle: DWORD;   // DWORD
  Operation: Integer;   // MIDL_ES_CODE
  pBuffer: Pointer;   // CHAR** optional
  BufferSize: DWORD;   // DWORD
  pEncodedSize: Pointer   // DWORD* optional, out
): Integer; stdcall;
  external 'RPCRT4.dll' name 'MesBufferHandleReset';

result := DllCall("RPCRT4\MesBufferHandleReset"
    , "Ptr", Handle   ; void*
    , "UInt", HandleStyle   ; DWORD
    , "Int", Operation   ; MIDL_ES_CODE
    , "Ptr", pBuffer   ; CHAR** optional
    , "UInt", BufferSize   ; DWORD
    , "Ptr", pEncodedSize   ; DWORD* optional, out
    , "Int")   ; return: RPC_STATUS

●MesBufferHandleReset(Handle, HandleStyle, Operation, pBuffer, BufferSize, pEncodedSize) = DLL("RPCRT4.dll", "int MesBufferHandleReset(void*, dword, int, void*, dword, void*)")
# 呼び出し: MesBufferHandleReset(Handle, HandleStyle, Operation, pBuffer, BufferSize, pEncodedSize)
# Handle : void* -> "void*"
# HandleStyle : DWORD -> "dword"
# Operation : MIDL_ES_CODE -> "int"
# pBuffer : CHAR** optional -> "void*"
# BufferSize : DWORD -> "dword"
# pEncodedSize : DWORD* optional, 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)。