WsFreeListener

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

void WsFreeListener(
    WS_LISTENER* listener
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Sub WsFreeListener(
    ByRef listener As IntPtr   ' WS_LISTENER*
)
End Sub

' listener : WS_LISTENER*
Declare PtrSafe Sub WsFreeListener Lib "webservices" ( _
    ByRef listener As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WsFreeListener = ctypes.windll.webservices.WsFreeListener
WsFreeListener.restype = None
WsFreeListener.argtypes = [
    ctypes.c_void_p,  # listener : WS_LISTENER*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsFreeListener = Fiddle::Function.new(
  lib['WsFreeListener'],
  [
    Fiddle::TYPE_VOIDP,  # listener : WS_LISTENER*
  ],
  Fiddle::TYPE_VOID)

#[link(name = "webservices")]
extern "system" {
    fn WsFreeListener(
        listener: *mut isize  // WS_LISTENER*
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webservices.dll")]
public static extern void WsFreeListener(ref IntPtr listener);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsFreeListener' -Namespace Win32 -PassThru
# $api::WsFreeListener(listener)

#uselib "webservices.dll"
#func global WsFreeListener "WsFreeListener" sptr
; WsFreeListener listener
; listener : WS_LISTENER* -> "sptr"

#uselib "webservices.dll"
#func global WsFreeListener "WsFreeListener" int
; WsFreeListener listener
; listener : WS_LISTENER* -> "int"

; void WsFreeListener(WS_LISTENER* listener)
#uselib "webservices.dll"
#func global WsFreeListener "WsFreeListener" int
; WsFreeListener listener
; listener : WS_LISTENER* -> "int"

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

var (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsFreeListener = webservices.NewProc("WsFreeListener")
)

// listener (WS_LISTENER*)
r1, _, err := procWsFreeListener.Call(
	uintptr(listener),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure WsFreeListener(
  listener: Pointer   // WS_LISTENER*
); stdcall;
  external 'webservices.dll' name 'WsFreeListener';

result := DllCall("webservices\WsFreeListener"
    , "Ptr", listener   ; WS_LISTENER*
    , "Int")   ; return: void

●WsFreeListener(listener) = DLL("webservices.dll", "int WsFreeListener(void*)")
# 呼び出し: WsFreeListener(listener)
# listener : WS_LISTENER* -> "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)。