SnmpStartup

// wsnmp32.dll
#include <windows.h>

DWORD SnmpStartup(
    DWORD* nMajorVersion,
    DWORD* nMinorVersion,
    DWORD* nLevel,
    SNMP_API_TRANSLATE_MODE* nTranslateMode,
    SNMP_STATUS* nRetransmitMode
);

<DllImport("wsnmp32.dll", ExactSpelling:=True)>
Public Shared Function SnmpStartup(
    ByRef nMajorVersion As UInteger,   ' DWORD* in/out
    ByRef nMinorVersion As UInteger,   ' DWORD* in/out
    ByRef nLevel As UInteger,   ' DWORD* in/out
    ByRef nTranslateMode As UInteger,   ' SNMP_API_TRANSLATE_MODE* in/out
    ByRef nRetransmitMode As UInteger   ' SNMP_STATUS* in/out
) As UInteger
End Function

' nMajorVersion : DWORD* in/out
' nMinorVersion : DWORD* in/out
' nLevel : DWORD* in/out
' nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out
' nRetransmitMode : SNMP_STATUS* in/out
Declare PtrSafe Function SnmpStartup Lib "wsnmp32" ( _
    ByRef nMajorVersion As Long, _
    ByRef nMinorVersion As Long, _
    ByRef nLevel As Long, _
    ByRef nTranslateMode As Long, _
    ByRef nRetransmitMode 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

SnmpStartup = ctypes.windll.wsnmp32.SnmpStartup
SnmpStartup.restype = wintypes.DWORD
SnmpStartup.argtypes = [
    ctypes.POINTER(wintypes.DWORD),  # nMajorVersion : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # nMinorVersion : DWORD* in/out
    ctypes.POINTER(wintypes.DWORD),  # nLevel : DWORD* in/out
    ctypes.c_void_p,  # nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out
    ctypes.c_void_p,  # nRetransmitMode : SNMP_STATUS* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wsnmp32.dll')
SnmpStartup = Fiddle::Function.new(
  lib['SnmpStartup'],
  [
    Fiddle::TYPE_VOIDP,  # nMajorVersion : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # nMinorVersion : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # nLevel : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out
    Fiddle::TYPE_VOIDP,  # nRetransmitMode : SNMP_STATUS* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wsnmp32")]
extern "system" {
    fn SnmpStartup(
        nMajorVersion: *mut u32,  // DWORD* in/out
        nMinorVersion: *mut u32,  // DWORD* in/out
        nLevel: *mut u32,  // DWORD* in/out
        nTranslateMode: *mut u32,  // SNMP_API_TRANSLATE_MODE* in/out
        nRetransmitMode: *mut u32  // SNMP_STATUS* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wsnmp32.dll")]
public static extern uint SnmpStartup(ref uint nMajorVersion, ref uint nMinorVersion, ref uint nLevel, ref uint nTranslateMode, ref uint nRetransmitMode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wsnmp32_SnmpStartup' -Namespace Win32 -PassThru
# $api::SnmpStartup(nMajorVersion, nMinorVersion, nLevel, nTranslateMode, nRetransmitMode)

#uselib "wsnmp32.dll"
#func global SnmpStartup "SnmpStartup" sptr, sptr, sptr, sptr, sptr
; SnmpStartup varptr(nMajorVersion), varptr(nMinorVersion), varptr(nLevel), varptr(nTranslateMode), varptr(nRetransmitMode)   ; 戻り値は stat
; nMajorVersion : DWORD* in/out -> "sptr"
; nMinorVersion : DWORD* in/out -> "sptr"
; nLevel : DWORD* in/out -> "sptr"
; nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out -> "sptr"
; nRetransmitMode : SNMP_STATUS* in/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。

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

var (
	wsnmp32 = windows.NewLazySystemDLL("wsnmp32.dll")
	procSnmpStartup = wsnmp32.NewProc("SnmpStartup")
)

// nMajorVersion (DWORD* in/out), nMinorVersion (DWORD* in/out), nLevel (DWORD* in/out), nTranslateMode (SNMP_API_TRANSLATE_MODE* in/out), nRetransmitMode (SNMP_STATUS* in/out)
r1, _, err := procSnmpStartup.Call(
	uintptr(nMajorVersion),
	uintptr(nMinorVersion),
	uintptr(nLevel),
	uintptr(nTranslateMode),
	uintptr(nRetransmitMode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function SnmpStartup(
  nMajorVersion: Pointer;   // DWORD* in/out
  nMinorVersion: Pointer;   // DWORD* in/out
  nLevel: Pointer;   // DWORD* in/out
  nTranslateMode: Pointer;   // SNMP_API_TRANSLATE_MODE* in/out
  nRetransmitMode: Pointer   // SNMP_STATUS* in/out
): DWORD; stdcall;
  external 'wsnmp32.dll' name 'SnmpStartup';

result := DllCall("wsnmp32\SnmpStartup"
    , "Ptr", nMajorVersion   ; DWORD* in/out
    , "Ptr", nMinorVersion   ; DWORD* in/out
    , "Ptr", nLevel   ; DWORD* in/out
    , "Ptr", nTranslateMode   ; SNMP_API_TRANSLATE_MODE* in/out
    , "Ptr", nRetransmitMode   ; SNMP_STATUS* in/out
    , "UInt")   ; return: DWORD

●SnmpStartup(nMajorVersion, nMinorVersion, nLevel, nTranslateMode, nRetransmitMode) = DLL("wsnmp32.dll", "dword SnmpStartup(void*, void*, void*, void*, void*)")
# 呼び出し: SnmpStartup(nMajorVersion, nMinorVersion, nLevel, nTranslateMode, nRetransmitMode)
# nMajorVersion : DWORD* in/out -> "void*"
# nMinorVersion : DWORD* in/out -> "void*"
# nLevel : DWORD* in/out -> "void*"
# nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out -> "void*"
# nRetransmitMode : SNMP_STATUS* in/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)。

const std = @import("std");

extern "wsnmp32" fn SnmpStartup(
    nMajorVersion: [*c]u32, // DWORD* in/out
    nMinorVersion: [*c]u32, // DWORD* in/out
    nLevel: [*c]u32, // DWORD* in/out
    nTranslateMode: [*c]u32, // SNMP_API_TRANSLATE_MODE* in/out
    nRetransmitMode: [*c]u32 // SNMP_STATUS* in/out
) callconv(std.os.windows.WINAPI) u32;

proc SnmpStartup(
    nMajorVersion: ptr uint32,  # DWORD* in/out
    nMinorVersion: ptr uint32,  # DWORD* in/out
    nLevel: ptr uint32,  # DWORD* in/out
    nTranslateMode: ptr uint32,  # SNMP_API_TRANSLATE_MODE* in/out
    nRetransmitMode: ptr uint32  # SNMP_STATUS* in/out
): uint32 {.importc: "SnmpStartup", stdcall, dynlib: "wsnmp32.dll".}

pragma(lib, "wsnmp32");
extern(Windows)
uint SnmpStartup(
    uint* nMajorVersion,   // DWORD* in/out
    uint* nMinorVersion,   // DWORD* in/out
    uint* nLevel,   // DWORD* in/out
    uint* nTranslateMode,   // SNMP_API_TRANSLATE_MODE* in/out
    uint* nRetransmitMode   // SNMP_STATUS* in/out
);

ccall((:SnmpStartup, "wsnmp32.dll"), stdcall, UInt32,
      (Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}, Ptr{UInt32}),
      nMajorVersion, nMinorVersion, nLevel, nTranslateMode, nRetransmitMode)
# nMajorVersion : DWORD* in/out -> Ptr{UInt32}
# nMinorVersion : DWORD* in/out -> Ptr{UInt32}
# nLevel : DWORD* in/out -> Ptr{UInt32}
# nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out -> Ptr{UInt32}
# nRetransmitMode : SNMP_STATUS* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t SnmpStartup(
    uint32_t* nMajorVersion,
    uint32_t* nMinorVersion,
    uint32_t* nLevel,
    uint32_t* nTranslateMode,
    uint32_t* nRetransmitMode);
]]
local wsnmp32 = ffi.load("wsnmp32")
-- wsnmp32.SnmpStartup(nMajorVersion, nMinorVersion, nLevel, nTranslateMode, nRetransmitMode)
-- nMajorVersion : DWORD* in/out
-- nMinorVersion : DWORD* in/out
-- nLevel : DWORD* in/out
-- nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out
-- nRetransmitMode : SNMP_STATUS* in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('wsnmp32.dll');
const SnmpStartup = lib.func('__stdcall', 'SnmpStartup', 'uint32_t', ['uint32_t *', 'uint32_t *', 'uint32_t *', 'uint32_t *', 'uint32_t *']);
// SnmpStartup(nMajorVersion, nMinorVersion, nLevel, nTranslateMode, nRetransmitMode)
// nMajorVersion : DWORD* in/out -> 'uint32_t *'
// nMinorVersion : DWORD* in/out -> 'uint32_t *'
// nLevel : DWORD* in/out -> 'uint32_t *'
// nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out -> 'uint32_t *'
// nRetransmitMode : SNMP_STATUS* in/out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("wsnmp32.dll", {
  SnmpStartup: { parameters: ["pointer", "pointer", "pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.SnmpStartup(nMajorVersion, nMinorVersion, nLevel, nTranslateMode, nRetransmitMode)
// nMajorVersion : DWORD* in/out -> "pointer"
// nMinorVersion : DWORD* in/out -> "pointer"
// nLevel : DWORD* in/out -> "pointer"
// nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out -> "pointer"
// nRetransmitMode : SNMP_STATUS* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t SnmpStartup(
    uint32_t* nMajorVersion,
    uint32_t* nMinorVersion,
    uint32_t* nLevel,
    uint32_t* nTranslateMode,
    uint32_t* nRetransmitMode);
C, "wsnmp32.dll");
// $ffi->SnmpStartup(nMajorVersion, nMinorVersion, nLevel, nTranslateMode, nRetransmitMode);
// nMajorVersion : DWORD* in/out
// nMinorVersion : DWORD* in/out
// nLevel : DWORD* in/out
// nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out
// nRetransmitMode : SNMP_STATUS* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Wsnmp32 extends StdCallLibrary {
    Wsnmp32 INSTANCE = Native.load("wsnmp32", Wsnmp32.class);
    int SnmpStartup(
        IntByReference nMajorVersion,   // DWORD* in/out
        IntByReference nMinorVersion,   // DWORD* in/out
        IntByReference nLevel,   // DWORD* in/out
        IntByReference nTranslateMode,   // SNMP_API_TRANSLATE_MODE* in/out
        IntByReference nRetransmitMode   // SNMP_STATUS* in/out
    );
}

@[Link("wsnmp32")]
lib Libwsnmp32
  fun SnmpStartup = SnmpStartup(
    nMajorVersion : UInt32*,   # DWORD* in/out
    nMinorVersion : UInt32*,   # DWORD* in/out
    nLevel : UInt32*,   # DWORD* in/out
    nTranslateMode : UInt32*,   # SNMP_API_TRANSLATE_MODE* in/out
    nRetransmitMode : UInt32*   # SNMP_STATUS* in/out
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef SnmpStartupNative = Uint32 Function(Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>);
typedef SnmpStartupDart = int Function(Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Uint32>);
final SnmpStartup = DynamicLibrary.open('wsnmp32.dll')
    .lookupFunction<SnmpStartupNative, SnmpStartupDart>('SnmpStartup');
// nMajorVersion : DWORD* in/out -> Pointer<Uint32>
// nMinorVersion : DWORD* in/out -> Pointer<Uint32>
// nLevel : DWORD* in/out -> Pointer<Uint32>
// nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out -> Pointer<Uint32>
// nRetransmitMode : SNMP_STATUS* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SnmpStartup(
  nMajorVersion: Pointer;   // DWORD* in/out
  nMinorVersion: Pointer;   // DWORD* in/out
  nLevel: Pointer;   // DWORD* in/out
  nTranslateMode: Pointer;   // SNMP_API_TRANSLATE_MODE* in/out
  nRetransmitMode: Pointer   // SNMP_STATUS* in/out
): DWORD; stdcall;
  external 'wsnmp32.dll' name 'SnmpStartup';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SnmpStartup"
  c_SnmpStartup :: Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> Ptr Word32 -> IO Word32
-- nMajorVersion : DWORD* in/out -> Ptr Word32
-- nMinorVersion : DWORD* in/out -> Ptr Word32
-- nLevel : DWORD* in/out -> Ptr Word32
-- nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out -> Ptr Word32
-- nRetransmitMode : SNMP_STATUS* in/out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let snmpstartup =
  foreign "SnmpStartup"
    ((ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> returning uint32_t)
(* nMajorVersion : DWORD* in/out -> (ptr uint32_t) *)
(* nMinorVersion : DWORD* in/out -> (ptr uint32_t) *)
(* nLevel : DWORD* in/out -> (ptr uint32_t) *)
(* nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out -> (ptr uint32_t) *)
(* nRetransmitMode : SNMP_STATUS* in/out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library wsnmp32 (t "wsnmp32.dll"))
(cffi:use-foreign-library wsnmp32)

(cffi:defcfun ("SnmpStartup" snmp-startup :convention :stdcall) :uint32
  (n-major-version :pointer)   ; DWORD* in/out
  (n-minor-version :pointer)   ; DWORD* in/out
  (n-level :pointer)   ; DWORD* in/out
  (n-translate-mode :pointer)   ; SNMP_API_TRANSLATE_MODE* in/out
  (n-retransmit-mode :pointer))   ; SNMP_STATUS* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SnmpStartup = Win32::API::More->new('wsnmp32',
    'DWORD SnmpStartup(LPVOID nMajorVersion, LPVOID nMinorVersion, LPVOID nLevel, LPVOID nTranslateMode, LPVOID nRetransmitMode)');
# my $ret = $SnmpStartup->Call($nMajorVersion, $nMinorVersion, $nLevel, $nTranslateMode, $nRetransmitMode);
# nMajorVersion : DWORD* in/out -> LPVOID
# nMinorVersion : DWORD* in/out -> LPVOID
# nLevel : DWORD* in/out -> LPVOID
# nTranslateMode : SNMP_API_TRANSLATE_MODE* in/out -> LPVOID
# nRetransmitMode : SNMP_STATUS* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。