NetUserSetGroups

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

DWORD NetUserSetGroups(
    LPCWSTR servername,   // optional
    LPCWSTR username,
    DWORD level,
    BYTE* buf,
    DWORD num_entries
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetUserSetGroups(
    <MarshalAs(UnmanagedType.LPWStr)> servername As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> username As String,   ' LPCWSTR
    level As UInteger,   ' DWORD
    buf As IntPtr,   ' BYTE*
    num_entries As UInteger   ' DWORD
) As UInteger
End Function

' servername : LPCWSTR optional
' username : LPCWSTR
' level : DWORD
' buf : BYTE*
' num_entries : DWORD
Declare PtrSafe Function NetUserSetGroups Lib "netapi32" ( _
    ByVal servername As LongPtr, _
    ByVal username As LongPtr, _
    ByVal level As Long, _
    ByVal buf As LongPtr, _
    ByVal num_entries 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

NetUserSetGroups = ctypes.windll.netapi32.NetUserSetGroups
NetUserSetGroups.restype = wintypes.DWORD
NetUserSetGroups.argtypes = [
    wintypes.LPCWSTR,  # servername : LPCWSTR optional
    wintypes.LPCWSTR,  # username : LPCWSTR
    wintypes.DWORD,  # level : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # buf : BYTE*
    wintypes.DWORD,  # num_entries : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetUserSetGroups = Fiddle::Function.new(
  lib['NetUserSetGroups'],
  [
    Fiddle::TYPE_VOIDP,  # servername : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # username : LPCWSTR
    -Fiddle::TYPE_INT,  # level : DWORD
    Fiddle::TYPE_VOIDP,  # buf : BYTE*
    -Fiddle::TYPE_INT,  # num_entries : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn NetUserSetGroups(
        servername: *const u16,  // LPCWSTR optional
        username: *const u16,  // LPCWSTR
        level: u32,  // DWORD
        buf: *mut u8,  // BYTE*
        num_entries: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetUserSetGroups([MarshalAs(UnmanagedType.LPWStr)] string servername, [MarshalAs(UnmanagedType.LPWStr)] string username, uint level, IntPtr buf, uint num_entries);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetUserSetGroups' -Namespace Win32 -PassThru
# $api::NetUserSetGroups(servername, username, level, buf, num_entries)

#uselib "NETAPI32.dll"
#func global NetUserSetGroups "NetUserSetGroups" sptr, sptr, sptr, sptr, sptr
; NetUserSetGroups servername, username, level, varptr(buf), num_entries   ; 戻り値は stat
; servername : LPCWSTR optional -> "sptr"
; username : LPCWSTR -> "sptr"
; level : DWORD -> "sptr"
; buf : BYTE* -> "sptr"
; num_entries : DWORD -> "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 NetUserSetGroups "NetUserSetGroups" wstr, wstr, int, var, int
; res = NetUserSetGroups(servername, username, level, buf, num_entries)
; servername : LPCWSTR optional -> "wstr"
; username : LPCWSTR -> "wstr"
; level : DWORD -> "int"
; buf : BYTE* -> "var"
; num_entries : DWORD -> "int"
; ※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 NetUserSetGroups(LPCWSTR servername, LPCWSTR username, DWORD level, BYTE* buf, DWORD num_entries)
#uselib "NETAPI32.dll"
#cfunc global NetUserSetGroups "NetUserSetGroups" wstr, wstr, int, var, int
; res = NetUserSetGroups(servername, username, level, buf, num_entries)
; servername : LPCWSTR optional -> "wstr"
; username : LPCWSTR -> "wstr"
; level : DWORD -> "int"
; buf : BYTE* -> "var"
; num_entries : DWORD -> "int"
; ※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 (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procNetUserSetGroups = netapi32.NewProc("NetUserSetGroups")
)

// servername (LPCWSTR optional), username (LPCWSTR), level (DWORD), buf (BYTE*), num_entries (DWORD)
r1, _, err := procNetUserSetGroups.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(servername))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(username))),
	uintptr(level),
	uintptr(buf),
	uintptr(num_entries),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NetUserSetGroups(
  servername: PWideChar;   // LPCWSTR optional
  username: PWideChar;   // LPCWSTR
  level: DWORD;   // DWORD
  buf: Pointer;   // BYTE*
  num_entries: DWORD   // DWORD
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetUserSetGroups';

result := DllCall("NETAPI32\NetUserSetGroups"
    , "WStr", servername   ; LPCWSTR optional
    , "WStr", username   ; LPCWSTR
    , "UInt", level   ; DWORD
    , "Ptr", buf   ; BYTE*
    , "UInt", num_entries   ; DWORD
    , "UInt")   ; return: DWORD

●NetUserSetGroups(servername, username, level, buf, num_entries) = DLL("NETAPI32.dll", "dword NetUserSetGroups(char*, char*, dword, void*, dword)")
# 呼び出し: NetUserSetGroups(servername, username, level, buf, num_entries)
# servername : LPCWSTR optional -> "char*"
# username : LPCWSTR -> "char*"
# level : DWORD -> "dword"
# buf : BYTE* -> "void*"
# num_entries : DWORD -> "dword"
# 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)。