DsGetForestTrustInformationW

// NETAPI32.dll
#include <windows.h>

DWORD DsGetForestTrustInformationW(
    LPCWSTR ServerName,   // optional
    LPCWSTR TrustedDomainName,   // optional
    DWORD Flags,
    LSA_FOREST_TRUST_INFORMATION** ForestTrustInfo
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function DsGetForestTrustInformationW(
    <MarshalAs(UnmanagedType.LPWStr)> ServerName As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> TrustedDomainName As String,   ' LPCWSTR optional
    Flags As UInteger,   ' DWORD
    ForestTrustInfo As IntPtr   ' LSA_FOREST_TRUST_INFORMATION** out
) As UInteger
End Function

' ServerName : LPCWSTR optional
' TrustedDomainName : LPCWSTR optional
' Flags : DWORD
' ForestTrustInfo : LSA_FOREST_TRUST_INFORMATION** out
Declare PtrSafe Function DsGetForestTrustInformationW Lib "netapi32" ( _
    ByVal ServerName As LongPtr, _
    ByVal TrustedDomainName As LongPtr, _
    ByVal Flags As Long, _
    ByVal ForestTrustInfo 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

DsGetForestTrustInformationW = ctypes.windll.netapi32.DsGetForestTrustInformationW
DsGetForestTrustInformationW.restype = wintypes.DWORD
DsGetForestTrustInformationW.argtypes = [
    wintypes.LPCWSTR,  # ServerName : LPCWSTR optional
    wintypes.LPCWSTR,  # TrustedDomainName : LPCWSTR optional
    wintypes.DWORD,  # Flags : DWORD
    ctypes.c_void_p,  # ForestTrustInfo : LSA_FOREST_TRUST_INFORMATION** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
DsGetForestTrustInformationW = Fiddle::Function.new(
  lib['DsGetForestTrustInformationW'],
  [
    Fiddle::TYPE_VOIDP,  # ServerName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # TrustedDomainName : LPCWSTR optional
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # ForestTrustInfo : LSA_FOREST_TRUST_INFORMATION** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn DsGetForestTrustInformationW(
        ServerName: *const u16,  // LPCWSTR optional
        TrustedDomainName: *const u16,  // LPCWSTR optional
        Flags: u32,  // DWORD
        ForestTrustInfo: *mut *mut LSA_FOREST_TRUST_INFORMATION  // LSA_FOREST_TRUST_INFORMATION** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint DsGetForestTrustInformationW([MarshalAs(UnmanagedType.LPWStr)] string ServerName, [MarshalAs(UnmanagedType.LPWStr)] string TrustedDomainName, uint Flags, IntPtr ForestTrustInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_DsGetForestTrustInformationW' -Namespace Win32 -PassThru
# $api::DsGetForestTrustInformationW(ServerName, TrustedDomainName, Flags, ForestTrustInfo)

#uselib "NETAPI32.dll"
#func global DsGetForestTrustInformationW "DsGetForestTrustInformationW" sptr, sptr, sptr, sptr
; DsGetForestTrustInformationW ServerName, TrustedDomainName, Flags, varptr(ForestTrustInfo)   ; 戻り値は stat
; ServerName : LPCWSTR optional -> "sptr"
; TrustedDomainName : LPCWSTR optional -> "sptr"
; Flags : DWORD -> "sptr"
; ForestTrustInfo : LSA_FOREST_TRUST_INFORMATION** 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 "NETAPI32.dll"
#cfunc global DsGetForestTrustInformationW "DsGetForestTrustInformationW" wstr, wstr, int, var
; res = DsGetForestTrustInformationW(ServerName, TrustedDomainName, Flags, ForestTrustInfo)
; ServerName : LPCWSTR optional -> "wstr"
; TrustedDomainName : LPCWSTR optional -> "wstr"
; Flags : DWORD -> "int"
; ForestTrustInfo : LSA_FOREST_TRUST_INFORMATION** 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 DsGetForestTrustInformationW(LPCWSTR ServerName, LPCWSTR TrustedDomainName, DWORD Flags, LSA_FOREST_TRUST_INFORMATION** ForestTrustInfo)
#uselib "NETAPI32.dll"
#cfunc global DsGetForestTrustInformationW "DsGetForestTrustInformationW" wstr, wstr, int, var
; res = DsGetForestTrustInformationW(ServerName, TrustedDomainName, Flags, ForestTrustInfo)
; ServerName : LPCWSTR optional -> "wstr"
; TrustedDomainName : LPCWSTR optional -> "wstr"
; Flags : DWORD -> "int"
; ForestTrustInfo : LSA_FOREST_TRUST_INFORMATION** 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 (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procDsGetForestTrustInformationW = netapi32.NewProc("DsGetForestTrustInformationW")
)

// ServerName (LPCWSTR optional), TrustedDomainName (LPCWSTR optional), Flags (DWORD), ForestTrustInfo (LSA_FOREST_TRUST_INFORMATION** out)
r1, _, err := procDsGetForestTrustInformationW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ServerName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(TrustedDomainName))),
	uintptr(Flags),
	uintptr(ForestTrustInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DsGetForestTrustInformationW(
  ServerName: PWideChar;   // LPCWSTR optional
  TrustedDomainName: PWideChar;   // LPCWSTR optional
  Flags: DWORD;   // DWORD
  ForestTrustInfo: Pointer   // LSA_FOREST_TRUST_INFORMATION** out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'DsGetForestTrustInformationW';

result := DllCall("NETAPI32\DsGetForestTrustInformationW"
    , "WStr", ServerName   ; LPCWSTR optional
    , "WStr", TrustedDomainName   ; LPCWSTR optional
    , "UInt", Flags   ; DWORD
    , "Ptr", ForestTrustInfo   ; LSA_FOREST_TRUST_INFORMATION** out
    , "UInt")   ; return: DWORD

●DsGetForestTrustInformationW(ServerName, TrustedDomainName, Flags, ForestTrustInfo) = DLL("NETAPI32.dll", "dword DsGetForestTrustInformationW(char*, char*, dword, void*)")
# 呼び出し: DsGetForestTrustInformationW(ServerName, TrustedDomainName, Flags, ForestTrustInfo)
# ServerName : LPCWSTR optional -> "char*"
# TrustedDomainName : LPCWSTR optional -> "char*"
# Flags : DWORD -> "dword"
# ForestTrustInfo : LSA_FOREST_TRUST_INFORMATION** 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)。