NetValidateName

// NETAPI32.dll
#include <windows.h>

DWORD NetValidateName(
    LPCWSTR lpServer,   // optional
    LPCWSTR lpName,
    LPCWSTR lpAccount,   // optional
    LPCWSTR lpPassword,   // optional
    NETSETUP_NAME_TYPE NameType
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetValidateName(
    <MarshalAs(UnmanagedType.LPWStr)> lpServer As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> lpName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpAccount As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> lpPassword As String,   ' LPCWSTR optional
    NameType As Integer   ' NETSETUP_NAME_TYPE
) As UInteger
End Function

' lpServer : LPCWSTR optional
' lpName : LPCWSTR
' lpAccount : LPCWSTR optional
' lpPassword : LPCWSTR optional
' NameType : NETSETUP_NAME_TYPE
Declare PtrSafe Function NetValidateName Lib "netapi32" ( _
    ByVal lpServer As LongPtr, _
    ByVal lpName As LongPtr, _
    ByVal lpAccount As LongPtr, _
    ByVal lpPassword As LongPtr, _
    ByVal NameType 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

NetValidateName = ctypes.windll.netapi32.NetValidateName
NetValidateName.restype = wintypes.DWORD
NetValidateName.argtypes = [
    wintypes.LPCWSTR,  # lpServer : LPCWSTR optional
    wintypes.LPCWSTR,  # lpName : LPCWSTR
    wintypes.LPCWSTR,  # lpAccount : LPCWSTR optional
    wintypes.LPCWSTR,  # lpPassword : LPCWSTR optional
    ctypes.c_int,  # NameType : NETSETUP_NAME_TYPE
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetValidateName = Fiddle::Function.new(
  lib['NetValidateName'],
  [
    Fiddle::TYPE_VOIDP,  # lpServer : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # lpName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpAccount : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # lpPassword : LPCWSTR optional
    Fiddle::TYPE_INT,  # NameType : NETSETUP_NAME_TYPE
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn NetValidateName(
        lpServer: *const u16,  // LPCWSTR optional
        lpName: *const u16,  // LPCWSTR
        lpAccount: *const u16,  // LPCWSTR optional
        lpPassword: *const u16,  // LPCWSTR optional
        NameType: i32  // NETSETUP_NAME_TYPE
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetValidateName([MarshalAs(UnmanagedType.LPWStr)] string lpServer, [MarshalAs(UnmanagedType.LPWStr)] string lpName, [MarshalAs(UnmanagedType.LPWStr)] string lpAccount, [MarshalAs(UnmanagedType.LPWStr)] string lpPassword, int NameType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetValidateName' -Namespace Win32 -PassThru
# $api::NetValidateName(lpServer, lpName, lpAccount, lpPassword, NameType)

#uselib "NETAPI32.dll"
#func global NetValidateName "NetValidateName" sptr, sptr, sptr, sptr, sptr
; NetValidateName lpServer, lpName, lpAccount, lpPassword, NameType   ; 戻り値は stat
; lpServer : LPCWSTR optional -> "sptr"
; lpName : LPCWSTR -> "sptr"
; lpAccount : LPCWSTR optional -> "sptr"
; lpPassword : LPCWSTR optional -> "sptr"
; NameType : NETSETUP_NAME_TYPE -> "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 "NETAPI32.dll"
#cfunc global NetValidateName "NetValidateName" wstr, wstr, wstr, wstr, int
; res = NetValidateName(lpServer, lpName, lpAccount, lpPassword, NameType)
; lpServer : LPCWSTR optional -> "wstr"
; lpName : LPCWSTR -> "wstr"
; lpAccount : LPCWSTR optional -> "wstr"
; lpPassword : LPCWSTR optional -> "wstr"
; NameType : NETSETUP_NAME_TYPE -> "int"

; DWORD NetValidateName(LPCWSTR lpServer, LPCWSTR lpName, LPCWSTR lpAccount, LPCWSTR lpPassword, NETSETUP_NAME_TYPE NameType)
#uselib "NETAPI32.dll"
#cfunc global NetValidateName "NetValidateName" wstr, wstr, wstr, wstr, int
; res = NetValidateName(lpServer, lpName, lpAccount, lpPassword, NameType)
; lpServer : LPCWSTR optional -> "wstr"
; lpName : LPCWSTR -> "wstr"
; lpAccount : LPCWSTR optional -> "wstr"
; lpPassword : LPCWSTR optional -> "wstr"
; NameType : NETSETUP_NAME_TYPE -> "int"

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

var (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procNetValidateName = netapi32.NewProc("NetValidateName")
)

// lpServer (LPCWSTR optional), lpName (LPCWSTR), lpAccount (LPCWSTR optional), lpPassword (LPCWSTR optional), NameType (NETSETUP_NAME_TYPE)
r1, _, err := procNetValidateName.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpServer))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpAccount))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpPassword))),
	uintptr(NameType),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NetValidateName(
  lpServer: PWideChar;   // LPCWSTR optional
  lpName: PWideChar;   // LPCWSTR
  lpAccount: PWideChar;   // LPCWSTR optional
  lpPassword: PWideChar;   // LPCWSTR optional
  NameType: Integer   // NETSETUP_NAME_TYPE
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetValidateName';

result := DllCall("NETAPI32\NetValidateName"
    , "WStr", lpServer   ; LPCWSTR optional
    , "WStr", lpName   ; LPCWSTR
    , "WStr", lpAccount   ; LPCWSTR optional
    , "WStr", lpPassword   ; LPCWSTR optional
    , "Int", NameType   ; NETSETUP_NAME_TYPE
    , "UInt")   ; return: DWORD

●NetValidateName(lpServer, lpName, lpAccount, lpPassword, NameType) = DLL("NETAPI32.dll", "dword NetValidateName(char*, char*, char*, char*, int)")
# 呼び出し: NetValidateName(lpServer, lpName, lpAccount, lpPassword, NameType)
# lpServer : LPCWSTR optional -> "char*"
# lpName : LPCWSTR -> "char*"
# lpAccount : LPCWSTR optional -> "char*"
# lpPassword : LPCWSTR optional -> "char*"
# NameType : NETSETUP_NAME_TYPE -> "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)。