ReportIScsiPersistentLoginsA

// ISCSIDSC.dll  (ANSI / -A)
#include <windows.h>

DWORD ReportIScsiPersistentLoginsA(
    DWORD* Count,
    PERSISTENT_ISCSI_LOGIN_INFOA* PersistentLoginInfo,
    DWORD* BufferSizeInBytes
);

<DllImport("ISCSIDSC.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function ReportIScsiPersistentLoginsA(
    ByRef Count As UInteger,   ' DWORD* in/out
    PersistentLoginInfo As IntPtr,   ' PERSISTENT_ISCSI_LOGIN_INFOA* in/out
    ByRef BufferSizeInBytes As UInteger   ' DWORD* in/out
) As UInteger
End Function

' Count : DWORD* in/out
' PersistentLoginInfo : PERSISTENT_ISCSI_LOGIN_INFOA* in/out
' BufferSizeInBytes : DWORD* in/out
Declare PtrSafe Function ReportIScsiPersistentLoginsA Lib "iscsidsc" ( _
    ByRef Count As Long, _
    ByVal PersistentLoginInfo As LongPtr, _
    ByRef BufferSizeInBytes As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ReportIScsiPersistentLoginsA = ctypes.windll.iscsidsc.ReportIScsiPersistentLoginsA
ReportIScsiPersistentLoginsA.restype = wintypes.DWORD
ReportIScsiPersistentLoginsA.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # Count : DWORD* in/out
    ctypes.c_void_p,  # PersistentLoginInfo : PERSISTENT_ISCSI_LOGIN_INFOA* in/out
    ctypes.POINTER(wintypes.DWORD),  # BufferSizeInBytes : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ISCSIDSC.dll')
ReportIScsiPersistentLoginsA = Fiddle::Function.new(
  lib['ReportIScsiPersistentLoginsA'],
  [
    Fiddle::TYPE_VOIDP,  # Count : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # PersistentLoginInfo : PERSISTENT_ISCSI_LOGIN_INFOA* in/out
    Fiddle::TYPE_VOIDP,  # BufferSizeInBytes : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "iscsidsc")]
extern "system" {
    fn ReportIScsiPersistentLoginsA(
        Count: *mut u32,  // DWORD* in/out
        PersistentLoginInfo: *mut PERSISTENT_ISCSI_LOGIN_INFOA,  // PERSISTENT_ISCSI_LOGIN_INFOA* in/out
        BufferSizeInBytes: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ISCSIDSC.dll", CharSet = CharSet.Ansi)]
public static extern uint ReportIScsiPersistentLoginsA(ref uint Count, IntPtr PersistentLoginInfo, ref uint BufferSizeInBytes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ISCSIDSC_ReportIScsiPersistentLoginsA' -Namespace Win32 -PassThru
# $api::ReportIScsiPersistentLoginsA(Count, PersistentLoginInfo, BufferSizeInBytes)

#uselib "ISCSIDSC.dll"
#func global ReportIScsiPersistentLoginsA "ReportIScsiPersistentLoginsA" sptr, sptr, sptr
; ReportIScsiPersistentLoginsA varptr(Count), varptr(PersistentLoginInfo), varptr(BufferSizeInBytes)   ; 戻り値は stat
; Count : DWORD* in/out -> "sptr"
; PersistentLoginInfo : PERSISTENT_ISCSI_LOGIN_INFOA* in/out -> "sptr"
; BufferSizeInBytes : DWORD* in/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 "ISCSIDSC.dll"
#cfunc global ReportIScsiPersistentLoginsA "ReportIScsiPersistentLoginsA" var, var, var
; res = ReportIScsiPersistentLoginsA(Count, PersistentLoginInfo, BufferSizeInBytes)
; Count : DWORD* in/out -> "var"
; PersistentLoginInfo : PERSISTENT_ISCSI_LOGIN_INFOA* in/out -> "var"
; BufferSizeInBytes : DWORD* 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 ReportIScsiPersistentLoginsA(DWORD* Count, PERSISTENT_ISCSI_LOGIN_INFOA* PersistentLoginInfo, DWORD* BufferSizeInBytes)
#uselib "ISCSIDSC.dll"
#cfunc global ReportIScsiPersistentLoginsA "ReportIScsiPersistentLoginsA" var, var, var
; res = ReportIScsiPersistentLoginsA(Count, PersistentLoginInfo, BufferSizeInBytes)
; Count : DWORD* in/out -> "var"
; PersistentLoginInfo : PERSISTENT_ISCSI_LOGIN_INFOA* in/out -> "var"
; BufferSizeInBytes : DWORD* 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")
	procReportIScsiPersistentLoginsA = iscsidsc.NewProc("ReportIScsiPersistentLoginsA")
)

// Count (DWORD* in/out), PersistentLoginInfo (PERSISTENT_ISCSI_LOGIN_INFOA* in/out), BufferSizeInBytes (DWORD* in/out)
r1, _, err := procReportIScsiPersistentLoginsA.Call(
	uintptr(Count),
	uintptr(PersistentLoginInfo),
	uintptr(BufferSizeInBytes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function ReportIScsiPersistentLoginsA(
  Count: Pointer;   // DWORD* in/out
  PersistentLoginInfo: Pointer;   // PERSISTENT_ISCSI_LOGIN_INFOA* in/out
  BufferSizeInBytes: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'ISCSIDSC.dll' name 'ReportIScsiPersistentLoginsA';

result := DllCall("ISCSIDSC\ReportIScsiPersistentLoginsA"
    , "Ptr", Count   ; DWORD* in/out
    , "Ptr", PersistentLoginInfo   ; PERSISTENT_ISCSI_LOGIN_INFOA* in/out
    , "Ptr", BufferSizeInBytes   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●ReportIScsiPersistentLoginsA(Count, PersistentLoginInfo, BufferSizeInBytes) = DLL("ISCSIDSC.dll", "dword ReportIScsiPersistentLoginsA(void*, void*, void*)")
# 呼び出し: ReportIScsiPersistentLoginsA(Count, PersistentLoginInfo, BufferSizeInBytes)
# Count : DWORD* in/out -> "void*"
# PersistentLoginInfo : PERSISTENT_ISCSI_LOGIN_INFOA* in/out -> "void*"
# BufferSizeInBytes : DWORD* 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)。