SnmpDuplicatePdu

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

INT_PTR SnmpDuplicatePdu(
    INT_PTR session,
    INT_PTR PDU
);

<DllImport("wsnmp32.dll", ExactSpelling:=True)>
Public Shared Function SnmpDuplicatePdu(
    session As IntPtr,   ' INT_PTR
    PDU As IntPtr   ' INT_PTR
) As IntPtr
End Function

' session : INT_PTR
' PDU : INT_PTR
Declare PtrSafe Function SnmpDuplicatePdu Lib "wsnmp32" ( _
    ByVal session As LongPtr, _
    ByVal PDU As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SnmpDuplicatePdu = ctypes.windll.wsnmp32.SnmpDuplicatePdu
SnmpDuplicatePdu.restype = ctypes.c_ssize_t
SnmpDuplicatePdu.argtypes = [
    ctypes.c_ssize_t,  # session : INT_PTR
    ctypes.c_ssize_t,  # PDU : INT_PTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wsnmp32.dll')
SnmpDuplicatePdu = Fiddle::Function.new(
  lib['SnmpDuplicatePdu'],
  [
    Fiddle::TYPE_INTPTR_T,  # session : INT_PTR
    Fiddle::TYPE_INTPTR_T,  # PDU : INT_PTR
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "wsnmp32")]
extern "system" {
    fn SnmpDuplicatePdu(
        session: isize,  // INT_PTR
        PDU: isize  // INT_PTR
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wsnmp32.dll")]
public static extern IntPtr SnmpDuplicatePdu(IntPtr session, IntPtr PDU);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wsnmp32_SnmpDuplicatePdu' -Namespace Win32 -PassThru
# $api::SnmpDuplicatePdu(session, PDU)

#uselib "wsnmp32.dll"
#func global SnmpDuplicatePdu "SnmpDuplicatePdu" sptr, sptr
; SnmpDuplicatePdu session, PDU   ; 戻り値は stat
; session : INT_PTR -> "sptr"
; PDU : INT_PTR -> "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 "wsnmp32.dll"
#cfunc global SnmpDuplicatePdu "SnmpDuplicatePdu" sptr, sptr
; res = SnmpDuplicatePdu(session, PDU)
; session : INT_PTR -> "sptr"
; PDU : INT_PTR -> "sptr"

; INT_PTR SnmpDuplicatePdu(INT_PTR session, INT_PTR PDU)
#uselib "wsnmp32.dll"
#cfunc global SnmpDuplicatePdu "SnmpDuplicatePdu" intptr, intptr
; res = SnmpDuplicatePdu(session, PDU)
; session : INT_PTR -> "intptr"
; PDU : INT_PTR -> "intptr"

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

var (
	wsnmp32 = windows.NewLazySystemDLL("wsnmp32.dll")
	procSnmpDuplicatePdu = wsnmp32.NewProc("SnmpDuplicatePdu")
)

// session (INT_PTR), PDU (INT_PTR)
r1, _, err := procSnmpDuplicatePdu.Call(
	uintptr(session),
	uintptr(PDU),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT_PTR

function SnmpDuplicatePdu(
  session: NativeInt;   // INT_PTR
  PDU: NativeInt   // INT_PTR
): NativeInt; stdcall;
  external 'wsnmp32.dll' name 'SnmpDuplicatePdu';

result := DllCall("wsnmp32\SnmpDuplicatePdu"
    , "Ptr", session   ; INT_PTR
    , "Ptr", PDU   ; INT_PTR
    , "Ptr")   ; return: INT_PTR

●SnmpDuplicatePdu(session, PDU) = DLL("wsnmp32.dll", "int SnmpDuplicatePdu(int, int)")
# 呼び出し: SnmpDuplicatePdu(session, PDU)
# session : INT_PTR -> "int"
# PDU : INT_PTR -> "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)。