ReportActiveIScsiTargetMappingsW

// ISCSIDSC.dll  (Unicode / -W)
#include <windows.h>

DWORD ReportActiveIScsiTargetMappingsW(
    DWORD* BufferSize,
    DWORD* MappingCount,
    ISCSI_TARGET_MAPPINGW* Mappings
);

<DllImport("ISCSIDSC.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function ReportActiveIScsiTargetMappingsW(
    ByRef BufferSize As UInteger,   ' DWORD* in/out
    ByRef MappingCount As UInteger,   ' DWORD* in/out
    Mappings As IntPtr   ' ISCSI_TARGET_MAPPINGW* in/out
) As UInteger
End Function

' BufferSize : DWORD* in/out
' MappingCount : DWORD* in/out
' Mappings : ISCSI_TARGET_MAPPINGW* in/out
Declare PtrSafe Function ReportActiveIScsiTargetMappingsW Lib "iscsidsc" ( _
    ByRef BufferSize As Long, _
    ByRef MappingCount As Long, _
    ByVal Mappings As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ReportActiveIScsiTargetMappingsW = ctypes.windll.iscsidsc.ReportActiveIScsiTargetMappingsW
ReportActiveIScsiTargetMappingsW.restype = wintypes.DWORD
ReportActiveIScsiTargetMappingsW.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # BufferSize : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # MappingCount : DWORD* in/out
    ctypes.c_void_p,  # Mappings : ISCSI_TARGET_MAPPINGW* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ISCSIDSC.dll')
ReportActiveIScsiTargetMappingsW = Fiddle::Function.new(
  lib['ReportActiveIScsiTargetMappingsW'],
  [
    Fiddle::TYPE_VOIDP,  # BufferSize : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # MappingCount : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # Mappings : ISCSI_TARGET_MAPPINGW* in/out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "iscsidsc")]
extern "system" {
    fn ReportActiveIScsiTargetMappingsW(
        BufferSize: *mut u32,  // DWORD* in/out
        MappingCount: *mut u32,  // DWORD* in/out
        Mappings: *mut ISCSI_TARGET_MAPPINGW  // ISCSI_TARGET_MAPPINGW* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ISCSIDSC.dll", CharSet = CharSet.Unicode)]
public static extern uint ReportActiveIScsiTargetMappingsW(ref uint BufferSize, ref uint MappingCount, IntPtr Mappings);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ISCSIDSC_ReportActiveIScsiTargetMappingsW' -Namespace Win32 -PassThru
# $api::ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings)

#uselib "ISCSIDSC.dll"
#func global ReportActiveIScsiTargetMappingsW "ReportActiveIScsiTargetMappingsW" wptr, wptr, wptr
; ReportActiveIScsiTargetMappingsW varptr(BufferSize), varptr(MappingCount), varptr(Mappings)   ; 戻り値は stat
; BufferSize : DWORD* in/out -> "wptr"
; MappingCount : DWORD* in/out -> "wptr"
; Mappings : ISCSI_TARGET_MAPPINGW* in/out -> "wptr"
; ※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 "ISCSIDSC.dll"
#cfunc global ReportActiveIScsiTargetMappingsW "ReportActiveIScsiTargetMappingsW" var, var, var
; res = ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings)
; BufferSize : DWORD* in/out -> "var"
; MappingCount : DWORD* in/out -> "var"
; Mappings : ISCSI_TARGET_MAPPINGW* in/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 ReportActiveIScsiTargetMappingsW(DWORD* BufferSize, DWORD* MappingCount, ISCSI_TARGET_MAPPINGW* Mappings)
#uselib "ISCSIDSC.dll"
#cfunc global ReportActiveIScsiTargetMappingsW "ReportActiveIScsiTargetMappingsW" var, var, var
; res = ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings)
; BufferSize : DWORD* in/out -> "var"
; MappingCount : DWORD* in/out -> "var"
; Mappings : ISCSI_TARGET_MAPPINGW* in/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 (
	iscsidsc = windows.NewLazySystemDLL("ISCSIDSC.dll")
	procReportActiveIScsiTargetMappingsW = iscsidsc.NewProc("ReportActiveIScsiTargetMappingsW")
)

// BufferSize (DWORD* in/out), MappingCount (DWORD* in/out), Mappings (ISCSI_TARGET_MAPPINGW* in/out)
r1, _, err := procReportActiveIScsiTargetMappingsW.Call(
	uintptr(BufferSize),
	uintptr(MappingCount),
	uintptr(Mappings),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ReportActiveIScsiTargetMappingsW(
  BufferSize: Pointer;   // DWORD* in/out
  MappingCount: Pointer;   // DWORD* in/out
  Mappings: Pointer   // ISCSI_TARGET_MAPPINGW* in/out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'ReportActiveIScsiTargetMappingsW';

result := DllCall("ISCSIDSC\ReportActiveIScsiTargetMappingsW"
    , "Ptr", BufferSize   ; DWORD* in/out
    , "Ptr", MappingCount   ; DWORD* in/out
    , "Ptr", Mappings   ; ISCSI_TARGET_MAPPINGW* in/out
    , "UInt")   ; return: DWORD

●ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings) = DLL("ISCSIDSC.dll", "dword ReportActiveIScsiTargetMappingsW(void*, void*, void*)")
# 呼び出し: ReportActiveIScsiTargetMappingsW(BufferSize, MappingCount, Mappings)
# BufferSize : DWORD* in/out -> "void*"
# MappingCount : DWORD* in/out -> "void*"
# Mappings : ISCSI_TARGET_MAPPINGW* in/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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。