SnmpSetPort

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

DWORD SnmpSetPort(
    INT_PTR hEntity,
    DWORD nPort
);

<DllImport("wsnmp32.dll", ExactSpelling:=True)>
Public Shared Function SnmpSetPort(
    hEntity As IntPtr,   ' INT_PTR
    nPort As UInteger   ' DWORD
) As UInteger
End Function

' hEntity : INT_PTR
' nPort : DWORD
Declare PtrSafe Function SnmpSetPort Lib "wsnmp32" ( _
    ByVal hEntity As LongPtr, _
    ByVal nPort 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

SnmpSetPort = ctypes.windll.wsnmp32.SnmpSetPort
SnmpSetPort.restype = wintypes.DWORD
SnmpSetPort.argtypes = [
    ctypes.c_ssize_t,  # hEntity : INT_PTR
    wintypes.DWORD,  # nPort : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wsnmp32.dll')
SnmpSetPort = Fiddle::Function.new(
  lib['SnmpSetPort'],
  [
    Fiddle::TYPE_INTPTR_T,  # hEntity : INT_PTR
    -Fiddle::TYPE_INT,  # nPort : DWORD
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wsnmp32")]
extern "system" {
    fn SnmpSetPort(
        hEntity: isize,  // INT_PTR
        nPort: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("wsnmp32.dll")]
public static extern uint SnmpSetPort(IntPtr hEntity, uint nPort);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wsnmp32_SnmpSetPort' -Namespace Win32 -PassThru
# $api::SnmpSetPort(hEntity, nPort)

#uselib "wsnmp32.dll"
#func global SnmpSetPort "SnmpSetPort" sptr, sptr
; SnmpSetPort hEntity, nPort   ; 戻り値は stat
; hEntity : INT_PTR -> "sptr"
; nPort : 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 "wsnmp32.dll"
#cfunc global SnmpSetPort "SnmpSetPort" sptr, int
; res = SnmpSetPort(hEntity, nPort)
; hEntity : INT_PTR -> "sptr"
; nPort : DWORD -> "int"

; DWORD SnmpSetPort(INT_PTR hEntity, DWORD nPort)
#uselib "wsnmp32.dll"
#cfunc global SnmpSetPort "SnmpSetPort" intptr, int
; res = SnmpSetPort(hEntity, nPort)
; hEntity : INT_PTR -> "intptr"
; nPort : DWORD -> "int"

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

var (
	wsnmp32 = windows.NewLazySystemDLL("wsnmp32.dll")
	procSnmpSetPort = wsnmp32.NewProc("SnmpSetPort")
)

// hEntity (INT_PTR), nPort (DWORD)
r1, _, err := procSnmpSetPort.Call(
	uintptr(hEntity),
	uintptr(nPort),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function SnmpSetPort(
  hEntity: NativeInt;   // INT_PTR
  nPort: DWORD   // DWORD
): DWORD; stdcall;
  external 'wsnmp32.dll' name 'SnmpSetPort';

result := DllCall("wsnmp32\SnmpSetPort"
    , "Ptr", hEntity   ; INT_PTR
    , "UInt", nPort   ; DWORD
    , "UInt")   ; return: DWORD

●SnmpSetPort(hEntity, nPort) = DLL("wsnmp32.dll", "dword SnmpSetPort(int, dword)")
# 呼び出し: SnmpSetPort(hEntity, nPort)
# hEntity : INT_PTR -> "int"
# nPort : 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)。