DnsValidateName_W

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

INT DnsValidateName_W(
    LPCWSTR pszName,
    DNS_NAME_FORMAT Format
);

<DllImport("DNSAPI.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function DnsValidateName_W(
    <MarshalAs(UnmanagedType.LPWStr)> pszName As String,   ' LPCWSTR
    Format As Integer   ' DNS_NAME_FORMAT
) As Integer
End Function

' pszName : LPCWSTR
' Format : DNS_NAME_FORMAT
Declare PtrSafe Function DnsValidateName_W Lib "dnsapi" ( _
    ByVal pszName As LongPtr, _
    ByVal Format As Long) 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

DnsValidateName_W = ctypes.windll.dnsapi.DnsValidateName_W
DnsValidateName_W.restype = ctypes.c_int
DnsValidateName_W.argtypes = [
    wintypes.LPCWSTR,  # pszName : LPCWSTR
    ctypes.c_int,  # Format : DNS_NAME_FORMAT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('DNSAPI.dll')
DnsValidateName_W = Fiddle::Function.new(
  lib['DnsValidateName_W'],
  [
    Fiddle::TYPE_VOIDP,  # pszName : LPCWSTR
    Fiddle::TYPE_INT,  # Format : DNS_NAME_FORMAT
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "dnsapi")]
extern "system" {
    fn DnsValidateName_W(
        pszName: *const u16,  // LPCWSTR
        Format: i32  // DNS_NAME_FORMAT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("DNSAPI.dll", CharSet = CharSet.Unicode)]
public static extern int DnsValidateName_W([MarshalAs(UnmanagedType.LPWStr)] string pszName, int Format);
"@
$api = Add-Type -MemberDefinition $sig -Name 'DNSAPI_DnsValidateName_W' -Namespace Win32 -PassThru
# $api::DnsValidateName_W(pszName, Format)

#uselib "DNSAPI.dll"
#func global DnsValidateName_W "DnsValidateName_W" wptr, wptr
; DnsValidateName_W pszName, Format   ; 戻り値は stat
; pszName : LPCWSTR -> "wptr"
; Format : DNS_NAME_FORMAT -> "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 "DNSAPI.dll"
#cfunc global DnsValidateName_W "DnsValidateName_W" wstr, int
; res = DnsValidateName_W(pszName, Format)
; pszName : LPCWSTR -> "wstr"
; Format : DNS_NAME_FORMAT -> "int"

; INT DnsValidateName_W(LPCWSTR pszName, DNS_NAME_FORMAT Format)
#uselib "DNSAPI.dll"
#cfunc global DnsValidateName_W "DnsValidateName_W" wstr, int
; res = DnsValidateName_W(pszName, Format)
; pszName : LPCWSTR -> "wstr"
; Format : DNS_NAME_FORMAT -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	dnsapi = windows.NewLazySystemDLL("DNSAPI.dll")
	procDnsValidateName_W = dnsapi.NewProc("DnsValidateName_W")
)

// pszName (LPCWSTR), Format (DNS_NAME_FORMAT)
r1, _, err := procDnsValidateName_W.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszName))),
	uintptr(Format),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function DnsValidateName_W(
  pszName: PWideChar;   // LPCWSTR
  Format: Integer   // DNS_NAME_FORMAT
): Integer; stdcall;
  external 'DNSAPI.dll' name 'DnsValidateName_W';

result := DllCall("DNSAPI\DnsValidateName_W"
    , "WStr", pszName   ; LPCWSTR
    , "Int", Format   ; DNS_NAME_FORMAT
    , "Int")   ; return: INT

●DnsValidateName_W(pszName, Format) = DLL("DNSAPI.dll", "int DnsValidateName_W(char*, int)")
# 呼び出し: DnsValidateName_W(pszName, Format)
# pszName : LPCWSTR -> "char*"
# Format : DNS_NAME_FORMAT -> "int"
# 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。