CredUnmarshalTargetInfo

// SECUR32.dll
#include <windows.h>

NTSTATUS CredUnmarshalTargetInfo(
    WORD* Buffer,
    DWORD BufferSize,
    CREDENTIAL_TARGET_INFORMATIONW** RetTargetInfo,   // optional
    DWORD* RetActualSize   // optional
);

<DllImport("SECUR32.dll", ExactSpelling:=True)>
Public Shared Function CredUnmarshalTargetInfo(
    ByRef Buffer As UShort,   ' WORD*
    BufferSize As UInteger,   ' DWORD
    RetTargetInfo As IntPtr,   ' CREDENTIAL_TARGET_INFORMATIONW** optional, out
    RetActualSize As IntPtr   ' DWORD* optional, out
) As Integer
End Function

' Buffer : WORD*
' BufferSize : DWORD
' RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out
' RetActualSize : DWORD* optional, out
Declare PtrSafe Function CredUnmarshalTargetInfo Lib "secur32" ( _
    ByRef Buffer As Integer, _
    ByVal BufferSize As Long, _
    ByVal RetTargetInfo As LongPtr, _
    ByVal RetActualSize 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

CredUnmarshalTargetInfo = ctypes.windll.secur32.CredUnmarshalTargetInfo
CredUnmarshalTargetInfo.restype = ctypes.c_int
CredUnmarshalTargetInfo.argtypes = [
    ctypes.POINTER(ctypes.c_ushort),  # Buffer : WORD*
    wintypes.DWORD,  # BufferSize : DWORD
    ctypes.c_void_p,  # RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out
    ctypes.POINTER(wintypes.DWORD),  # RetActualSize : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SECUR32.dll')
CredUnmarshalTargetInfo = Fiddle::Function.new(
  lib['CredUnmarshalTargetInfo'],
  [
    Fiddle::TYPE_VOIDP,  # Buffer : WORD*
    -Fiddle::TYPE_INT,  # BufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out
    Fiddle::TYPE_VOIDP,  # RetActualSize : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "secur32")]
extern "system" {
    fn CredUnmarshalTargetInfo(
        Buffer: *mut u16,  // WORD*
        BufferSize: u32,  // DWORD
        RetTargetInfo: *mut *mut CREDENTIAL_TARGET_INFORMATIONW,  // CREDENTIAL_TARGET_INFORMATIONW** optional, out
        RetActualSize: *mut u32  // DWORD* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SECUR32.dll")]
public static extern int CredUnmarshalTargetInfo(ref ushort Buffer, uint BufferSize, IntPtr RetTargetInfo, IntPtr RetActualSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_CredUnmarshalTargetInfo' -Namespace Win32 -PassThru
# $api::CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)

#uselib "SECUR32.dll"
#func global CredUnmarshalTargetInfo "CredUnmarshalTargetInfo" sptr, sptr, sptr, sptr
; CredUnmarshalTargetInfo varptr(Buffer), BufferSize, varptr(RetTargetInfo), varptr(RetActualSize)   ; 戻り値は stat
; Buffer : WORD* -> "sptr"
; BufferSize : DWORD -> "sptr"
; RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> "sptr"
; RetActualSize : DWORD* optional, 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 "SECUR32.dll"
#cfunc global CredUnmarshalTargetInfo "CredUnmarshalTargetInfo" var, int, var, var
; res = CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)
; Buffer : WORD* -> "var"
; BufferSize : DWORD -> "int"
; RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> "var"
; RetActualSize : DWORD* optional, 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。

; NTSTATUS CredUnmarshalTargetInfo(WORD* Buffer, DWORD BufferSize, CREDENTIAL_TARGET_INFORMATIONW** RetTargetInfo, DWORD* RetActualSize)
#uselib "SECUR32.dll"
#cfunc global CredUnmarshalTargetInfo "CredUnmarshalTargetInfo" var, int, var, var
; res = CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)
; Buffer : WORD* -> "var"
; BufferSize : DWORD -> "int"
; RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> "var"
; RetActualSize : DWORD* optional, 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 (
	secur32 = windows.NewLazySystemDLL("SECUR32.dll")
	procCredUnmarshalTargetInfo = secur32.NewProc("CredUnmarshalTargetInfo")
)

// Buffer (WORD*), BufferSize (DWORD), RetTargetInfo (CREDENTIAL_TARGET_INFORMATIONW** optional, out), RetActualSize (DWORD* optional, out)
r1, _, err := procCredUnmarshalTargetInfo.Call(
	uintptr(Buffer),
	uintptr(BufferSize),
	uintptr(RetTargetInfo),
	uintptr(RetActualSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // NTSTATUS

function CredUnmarshalTargetInfo(
  Buffer: Pointer;   // WORD*
  BufferSize: DWORD;   // DWORD
  RetTargetInfo: Pointer;   // CREDENTIAL_TARGET_INFORMATIONW** optional, out
  RetActualSize: Pointer   // DWORD* optional, out
): Integer; stdcall;
  external 'SECUR32.dll' name 'CredUnmarshalTargetInfo';

result := DllCall("SECUR32\CredUnmarshalTargetInfo"
    , "Ptr", Buffer   ; WORD*
    , "UInt", BufferSize   ; DWORD
    , "Ptr", RetTargetInfo   ; CREDENTIAL_TARGET_INFORMATIONW** optional, out
    , "Ptr", RetActualSize   ; DWORD* optional, out
    , "Int")   ; return: NTSTATUS

●CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize) = DLL("SECUR32.dll", "int CredUnmarshalTargetInfo(void*, dword, void*, void*)")
# 呼び出し: CredUnmarshalTargetInfo(Buffer, BufferSize, RetTargetInfo, RetActualSize)
# Buffer : WORD* -> "void*"
# BufferSize : DWORD -> "dword"
# RetTargetInfo : CREDENTIAL_TARGET_INFORMATIONW** optional, out -> "void*"
# RetActualSize : DWORD* optional, 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)。