MprAdminPortGetInfo

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

DWORD MprAdminPortGetInfo(
    INT_PTR hRasServer,
    DWORD dwLevel,
    HANDLE hPort,
    BYTE** lplpbBuffer
);

<DllImport("MPRAPI.dll", ExactSpelling:=True)>
Public Shared Function MprAdminPortGetInfo(
    hRasServer As IntPtr,   ' INT_PTR
    dwLevel As UInteger,   ' DWORD
    hPort As IntPtr,   ' HANDLE
    lplpbBuffer As IntPtr   ' BYTE** out
) As UInteger
End Function

' hRasServer : INT_PTR
' dwLevel : DWORD
' hPort : HANDLE
' lplpbBuffer : BYTE** out
Declare PtrSafe Function MprAdminPortGetInfo Lib "mprapi" ( _
    ByVal hRasServer As LongPtr, _
    ByVal dwLevel As Long, _
    ByVal hPort As LongPtr, _
    ByVal lplpbBuffer 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

MprAdminPortGetInfo = ctypes.windll.mprapi.MprAdminPortGetInfo
MprAdminPortGetInfo.restype = wintypes.DWORD
MprAdminPortGetInfo.argtypes = [
    ctypes.c_ssize_t,  # hRasServer : INT_PTR
    wintypes.DWORD,  # dwLevel : DWORD
    wintypes.HANDLE,  # hPort : HANDLE
    ctypes.c_void_p,  # lplpbBuffer : BYTE** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPRAPI.dll')
MprAdminPortGetInfo = Fiddle::Function.new(
  lib['MprAdminPortGetInfo'],
  [
    Fiddle::TYPE_INTPTR_T,  # hRasServer : INT_PTR
    -Fiddle::TYPE_INT,  # dwLevel : DWORD
    Fiddle::TYPE_VOIDP,  # hPort : HANDLE
    Fiddle::TYPE_VOIDP,  # lplpbBuffer : BYTE** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mprapi")]
extern "system" {
    fn MprAdminPortGetInfo(
        hRasServer: isize,  // INT_PTR
        dwLevel: u32,  // DWORD
        hPort: *mut core::ffi::c_void,  // HANDLE
        lplpbBuffer: *mut *mut u8  // BYTE** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPRAPI.dll")]
public static extern uint MprAdminPortGetInfo(IntPtr hRasServer, uint dwLevel, IntPtr hPort, IntPtr lplpbBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPRAPI_MprAdminPortGetInfo' -Namespace Win32 -PassThru
# $api::MprAdminPortGetInfo(hRasServer, dwLevel, hPort, lplpbBuffer)

#uselib "MPRAPI.dll"
#func global MprAdminPortGetInfo "MprAdminPortGetInfo" sptr, sptr, sptr, sptr
; MprAdminPortGetInfo hRasServer, dwLevel, hPort, varptr(lplpbBuffer)   ; 戻り値は stat
; hRasServer : INT_PTR -> "sptr"
; dwLevel : DWORD -> "sptr"
; hPort : HANDLE -> "sptr"
; lplpbBuffer : BYTE** 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 "MPRAPI.dll"
#cfunc global MprAdminPortGetInfo "MprAdminPortGetInfo" sptr, int, sptr, var
; res = MprAdminPortGetInfo(hRasServer, dwLevel, hPort, lplpbBuffer)
; hRasServer : INT_PTR -> "sptr"
; dwLevel : DWORD -> "int"
; hPort : HANDLE -> "sptr"
; lplpbBuffer : BYTE** 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。

; DWORD MprAdminPortGetInfo(INT_PTR hRasServer, DWORD dwLevel, HANDLE hPort, BYTE** lplpbBuffer)
#uselib "MPRAPI.dll"
#cfunc global MprAdminPortGetInfo "MprAdminPortGetInfo" intptr, int, intptr, var
; res = MprAdminPortGetInfo(hRasServer, dwLevel, hPort, lplpbBuffer)
; hRasServer : INT_PTR -> "intptr"
; dwLevel : DWORD -> "int"
; hPort : HANDLE -> "intptr"
; lplpbBuffer : BYTE** 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 (
	mprapi = windows.NewLazySystemDLL("MPRAPI.dll")
	procMprAdminPortGetInfo = mprapi.NewProc("MprAdminPortGetInfo")
)

// hRasServer (INT_PTR), dwLevel (DWORD), hPort (HANDLE), lplpbBuffer (BYTE** out)
r1, _, err := procMprAdminPortGetInfo.Call(
	uintptr(hRasServer),
	uintptr(dwLevel),
	uintptr(hPort),
	uintptr(lplpbBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MprAdminPortGetInfo(
  hRasServer: NativeInt;   // INT_PTR
  dwLevel: DWORD;   // DWORD
  hPort: THandle;   // HANDLE
  lplpbBuffer: Pointer   // BYTE** out
): DWORD; stdcall;
  external 'MPRAPI.dll' name 'MprAdminPortGetInfo';

result := DllCall("MPRAPI\MprAdminPortGetInfo"
    , "Ptr", hRasServer   ; INT_PTR
    , "UInt", dwLevel   ; DWORD
    , "Ptr", hPort   ; HANDLE
    , "Ptr", lplpbBuffer   ; BYTE** out
    , "UInt")   ; return: DWORD

●MprAdminPortGetInfo(hRasServer, dwLevel, hPort, lplpbBuffer) = DLL("MPRAPI.dll", "dword MprAdminPortGetInfo(int, dword, void*, void*)")
# 呼び出し: MprAdminPortGetInfo(hRasServer, dwLevel, hPort, lplpbBuffer)
# hRasServer : INT_PTR -> "int"
# dwLevel : DWORD -> "dword"
# hPort : HANDLE -> "void*"
# lplpbBuffer : BYTE** 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)。