MprAdminConnectionEnum

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

DWORD MprAdminConnectionEnum(
    INT_PTR hRasServer,
    DWORD dwLevel,
    BYTE** lplpbBuffer,
    DWORD dwPrefMaxLen,
    DWORD* lpdwEntriesRead,
    DWORD* lpdwTotalEntries,
    DWORD* lpdwResumeHandle   // optional
);

<DllImport("MPRAPI.dll", ExactSpelling:=True)>
Public Shared Function MprAdminConnectionEnum(
    hRasServer As IntPtr,   ' INT_PTR
    dwLevel As UInteger,   ' DWORD
    lplpbBuffer As IntPtr,   ' BYTE** out
    dwPrefMaxLen As UInteger,   ' DWORD
    <Out> ByRef lpdwEntriesRead As UInteger,   ' DWORD* out
    <Out> ByRef lpdwTotalEntries As UInteger,   ' DWORD* out
    lpdwResumeHandle As IntPtr   ' DWORD* optional
) As UInteger
End Function

' hRasServer : INT_PTR
' dwLevel : DWORD
' lplpbBuffer : BYTE** out
' dwPrefMaxLen : DWORD
' lpdwEntriesRead : DWORD* out
' lpdwTotalEntries : DWORD* out
' lpdwResumeHandle : DWORD* optional
Declare PtrSafe Function MprAdminConnectionEnum Lib "mprapi" ( _
    ByVal hRasServer As LongPtr, _
    ByVal dwLevel As Long, _
    ByVal lplpbBuffer As LongPtr, _
    ByVal dwPrefMaxLen As Long, _
    ByRef lpdwEntriesRead As Long, _
    ByRef lpdwTotalEntries As Long, _
    ByVal lpdwResumeHandle 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

MprAdminConnectionEnum = ctypes.windll.mprapi.MprAdminConnectionEnum
MprAdminConnectionEnum.restype = wintypes.DWORD
MprAdminConnectionEnum.argtypes = [
    ctypes.c_ssize_t,  # hRasServer : INT_PTR
    wintypes.DWORD,  # dwLevel : DWORD
    ctypes.c_void_p,  # lplpbBuffer : BYTE** out
    wintypes.DWORD,  # dwPrefMaxLen : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lpdwEntriesRead : DWORD* out
    ctypes.POINTER(wintypes.DWORD),  # lpdwTotalEntries : DWORD* out
    ctypes.POINTER(wintypes.DWORD),  # lpdwResumeHandle : DWORD* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPRAPI.dll')
MprAdminConnectionEnum = Fiddle::Function.new(
  lib['MprAdminConnectionEnum'],
  [
    Fiddle::TYPE_INTPTR_T,  # hRasServer : INT_PTR
    -Fiddle::TYPE_INT,  # dwLevel : DWORD
    Fiddle::TYPE_VOIDP,  # lplpbBuffer : BYTE** out
    -Fiddle::TYPE_INT,  # dwPrefMaxLen : DWORD
    Fiddle::TYPE_VOIDP,  # lpdwEntriesRead : DWORD* out
    Fiddle::TYPE_VOIDP,  # lpdwTotalEntries : DWORD* out
    Fiddle::TYPE_VOIDP,  # lpdwResumeHandle : DWORD* optional
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mprapi")]
extern "system" {
    fn MprAdminConnectionEnum(
        hRasServer: isize,  // INT_PTR
        dwLevel: u32,  // DWORD
        lplpbBuffer: *mut *mut u8,  // BYTE** out
        dwPrefMaxLen: u32,  // DWORD
        lpdwEntriesRead: *mut u32,  // DWORD* out
        lpdwTotalEntries: *mut u32,  // DWORD* out
        lpdwResumeHandle: *mut u32  // DWORD* optional
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPRAPI.dll")]
public static extern uint MprAdminConnectionEnum(IntPtr hRasServer, uint dwLevel, IntPtr lplpbBuffer, uint dwPrefMaxLen, out uint lpdwEntriesRead, out uint lpdwTotalEntries, IntPtr lpdwResumeHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPRAPI_MprAdminConnectionEnum' -Namespace Win32 -PassThru
# $api::MprAdminConnectionEnum(hRasServer, dwLevel, lplpbBuffer, dwPrefMaxLen, lpdwEntriesRead, lpdwTotalEntries, lpdwResumeHandle)

#uselib "MPRAPI.dll"
#func global MprAdminConnectionEnum "MprAdminConnectionEnum" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; MprAdminConnectionEnum hRasServer, dwLevel, varptr(lplpbBuffer), dwPrefMaxLen, varptr(lpdwEntriesRead), varptr(lpdwTotalEntries), varptr(lpdwResumeHandle)   ; 戻り値は stat
; hRasServer : INT_PTR -> "sptr"
; dwLevel : DWORD -> "sptr"
; lplpbBuffer : BYTE** out -> "sptr"
; dwPrefMaxLen : DWORD -> "sptr"
; lpdwEntriesRead : DWORD* out -> "sptr"
; lpdwTotalEntries : DWORD* out -> "sptr"
; lpdwResumeHandle : DWORD* 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 "MPRAPI.dll"
#cfunc global MprAdminConnectionEnum "MprAdminConnectionEnum" sptr, int, var, int, var, var, var
; res = MprAdminConnectionEnum(hRasServer, dwLevel, lplpbBuffer, dwPrefMaxLen, lpdwEntriesRead, lpdwTotalEntries, lpdwResumeHandle)
; hRasServer : INT_PTR -> "sptr"
; dwLevel : DWORD -> "int"
; lplpbBuffer : BYTE** out -> "var"
; dwPrefMaxLen : DWORD -> "int"
; lpdwEntriesRead : DWORD* out -> "var"
; lpdwTotalEntries : DWORD* out -> "var"
; lpdwResumeHandle : DWORD* 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。

; DWORD MprAdminConnectionEnum(INT_PTR hRasServer, DWORD dwLevel, BYTE** lplpbBuffer, DWORD dwPrefMaxLen, DWORD* lpdwEntriesRead, DWORD* lpdwTotalEntries, DWORD* lpdwResumeHandle)
#uselib "MPRAPI.dll"
#cfunc global MprAdminConnectionEnum "MprAdminConnectionEnum" intptr, int, var, int, var, var, var
; res = MprAdminConnectionEnum(hRasServer, dwLevel, lplpbBuffer, dwPrefMaxLen, lpdwEntriesRead, lpdwTotalEntries, lpdwResumeHandle)
; hRasServer : INT_PTR -> "intptr"
; dwLevel : DWORD -> "int"
; lplpbBuffer : BYTE** out -> "var"
; dwPrefMaxLen : DWORD -> "int"
; lpdwEntriesRead : DWORD* out -> "var"
; lpdwTotalEntries : DWORD* out -> "var"
; lpdwResumeHandle : DWORD* 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 (
	mprapi = windows.NewLazySystemDLL("MPRAPI.dll")
	procMprAdminConnectionEnum = mprapi.NewProc("MprAdminConnectionEnum")
)

// hRasServer (INT_PTR), dwLevel (DWORD), lplpbBuffer (BYTE** out), dwPrefMaxLen (DWORD), lpdwEntriesRead (DWORD* out), lpdwTotalEntries (DWORD* out), lpdwResumeHandle (DWORD* optional)
r1, _, err := procMprAdminConnectionEnum.Call(
	uintptr(hRasServer),
	uintptr(dwLevel),
	uintptr(lplpbBuffer),
	uintptr(dwPrefMaxLen),
	uintptr(lpdwEntriesRead),
	uintptr(lpdwTotalEntries),
	uintptr(lpdwResumeHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function MprAdminConnectionEnum(
  hRasServer: NativeInt;   // INT_PTR
  dwLevel: DWORD;   // DWORD
  lplpbBuffer: Pointer;   // BYTE** out
  dwPrefMaxLen: DWORD;   // DWORD
  lpdwEntriesRead: Pointer;   // DWORD* out
  lpdwTotalEntries: Pointer;   // DWORD* out
  lpdwResumeHandle: Pointer   // DWORD* optional
): DWORD; stdcall;
  external 'MPRAPI.dll' name 'MprAdminConnectionEnum';

result := DllCall("MPRAPI\MprAdminConnectionEnum"
    , "Ptr", hRasServer   ; INT_PTR
    , "UInt", dwLevel   ; DWORD
    , "Ptr", lplpbBuffer   ; BYTE** out
    , "UInt", dwPrefMaxLen   ; DWORD
    , "Ptr", lpdwEntriesRead   ; DWORD* out
    , "Ptr", lpdwTotalEntries   ; DWORD* out
    , "Ptr", lpdwResumeHandle   ; DWORD* optional
    , "UInt")   ; return: DWORD

●MprAdminConnectionEnum(hRasServer, dwLevel, lplpbBuffer, dwPrefMaxLen, lpdwEntriesRead, lpdwTotalEntries, lpdwResumeHandle) = DLL("MPRAPI.dll", "dword MprAdminConnectionEnum(int, dword, void*, dword, void*, void*, void*)")
# 呼び出し: MprAdminConnectionEnum(hRasServer, dwLevel, lplpbBuffer, dwPrefMaxLen, lpdwEntriesRead, lpdwTotalEntries, lpdwResumeHandle)
# hRasServer : INT_PTR -> "int"
# dwLevel : DWORD -> "dword"
# lplpbBuffer : BYTE** out -> "void*"
# dwPrefMaxLen : DWORD -> "dword"
# lpdwEntriesRead : DWORD* out -> "void*"
# lpdwTotalEntries : DWORD* out -> "void*"
# lpdwResumeHandle : DWORD* 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)。