SspiGetTargetHostName

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

HRESULT SspiGetTargetHostName(
    LPCWSTR pszTargetName,
    LPWSTR* pszHostName
);

<DllImport("SECUR32.dll", ExactSpelling:=True)>
Public Shared Function SspiGetTargetHostName(
    <MarshalAs(UnmanagedType.LPWStr)> pszTargetName As String,   ' LPCWSTR
    pszHostName As IntPtr   ' LPWSTR* out
) As Integer
End Function

' pszTargetName : LPCWSTR
' pszHostName : LPWSTR* out
Declare PtrSafe Function SspiGetTargetHostName Lib "secur32" ( _
    ByVal pszTargetName As LongPtr, _
    ByVal pszHostName 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

SspiGetTargetHostName = ctypes.windll.secur32.SspiGetTargetHostName
SspiGetTargetHostName.restype = ctypes.c_int
SspiGetTargetHostName.argtypes = [
    wintypes.LPCWSTR,  # pszTargetName : LPCWSTR
    ctypes.c_void_p,  # pszHostName : LPWSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SECUR32.dll')
SspiGetTargetHostName = Fiddle::Function.new(
  lib['SspiGetTargetHostName'],
  [
    Fiddle::TYPE_VOIDP,  # pszTargetName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pszHostName : LPWSTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "secur32")]
extern "system" {
    fn SspiGetTargetHostName(
        pszTargetName: *const u16,  // LPCWSTR
        pszHostName: *mut *mut u16  // LPWSTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SECUR32.dll")]
public static extern int SspiGetTargetHostName([MarshalAs(UnmanagedType.LPWStr)] string pszTargetName, IntPtr pszHostName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_SspiGetTargetHostName' -Namespace Win32 -PassThru
# $api::SspiGetTargetHostName(pszTargetName, pszHostName)

#uselib "SECUR32.dll"
#func global SspiGetTargetHostName "SspiGetTargetHostName" sptr, sptr
; SspiGetTargetHostName pszTargetName, varptr(pszHostName)   ; 戻り値は stat
; pszTargetName : LPCWSTR -> "sptr"
; pszHostName : LPWSTR* 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 SspiGetTargetHostName "SspiGetTargetHostName" wstr, var
; res = SspiGetTargetHostName(pszTargetName, pszHostName)
; pszTargetName : LPCWSTR -> "wstr"
; pszHostName : LPWSTR* 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。

; HRESULT SspiGetTargetHostName(LPCWSTR pszTargetName, LPWSTR* pszHostName)
#uselib "SECUR32.dll"
#cfunc global SspiGetTargetHostName "SspiGetTargetHostName" wstr, var
; res = SspiGetTargetHostName(pszTargetName, pszHostName)
; pszTargetName : LPCWSTR -> "wstr"
; pszHostName : LPWSTR* 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")
	procSspiGetTargetHostName = secur32.NewProc("SspiGetTargetHostName")
)

// pszTargetName (LPCWSTR), pszHostName (LPWSTR* out)
r1, _, err := procSspiGetTargetHostName.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszTargetName))),
	uintptr(pszHostName),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SspiGetTargetHostName(
  pszTargetName: PWideChar;   // LPCWSTR
  pszHostName: PPWideChar   // LPWSTR* out
): Integer; stdcall;
  external 'SECUR32.dll' name 'SspiGetTargetHostName';

result := DllCall("SECUR32\SspiGetTargetHostName"
    , "WStr", pszTargetName   ; LPCWSTR
    , "Ptr", pszHostName   ; LPWSTR* out
    , "Int")   ; return: HRESULT

●SspiGetTargetHostName(pszTargetName, pszHostName) = DLL("SECUR32.dll", "int SspiGetTargetHostName(char*, void*)")
# 呼び出し: SspiGetTargetHostName(pszTargetName, pszHostName)
# pszTargetName : LPCWSTR -> "char*"
# pszHostName : LPWSTR* 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)。