DrtDeleteIpv6UdpTransport

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

HRESULT DrtDeleteIpv6UdpTransport(
    void* hTransport
);

<DllImport("drttransport.dll", ExactSpelling:=True)>
Public Shared Function DrtDeleteIpv6UdpTransport(
    hTransport As IntPtr   ' void*
) As Integer
End Function

' hTransport : void*
Declare PtrSafe Function DrtDeleteIpv6UdpTransport Lib "drttransport" ( _
    ByVal hTransport As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DrtDeleteIpv6UdpTransport = ctypes.windll.drttransport.DrtDeleteIpv6UdpTransport
DrtDeleteIpv6UdpTransport.restype = ctypes.c_int
DrtDeleteIpv6UdpTransport.argtypes = [
    ctypes.POINTER(None),  # hTransport : void*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('drttransport.dll')
DrtDeleteIpv6UdpTransport = Fiddle::Function.new(
  lib['DrtDeleteIpv6UdpTransport'],
  [
    Fiddle::TYPE_VOIDP,  # hTransport : void*
  ],
  Fiddle::TYPE_INT)

#[link(name = "drttransport")]
extern "system" {
    fn DrtDeleteIpv6UdpTransport(
        hTransport: *mut ()  // void*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("drttransport.dll")]
public static extern int DrtDeleteIpv6UdpTransport(IntPtr hTransport);
"@
$api = Add-Type -MemberDefinition $sig -Name 'drttransport_DrtDeleteIpv6UdpTransport' -Namespace Win32 -PassThru
# $api::DrtDeleteIpv6UdpTransport(hTransport)

#uselib "drttransport.dll"
#func global DrtDeleteIpv6UdpTransport "DrtDeleteIpv6UdpTransport" sptr
; DrtDeleteIpv6UdpTransport hTransport   ; 戻り値は stat
; hTransport : void* -> "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 "drttransport.dll"
#cfunc global DrtDeleteIpv6UdpTransport "DrtDeleteIpv6UdpTransport" sptr
; res = DrtDeleteIpv6UdpTransport(hTransport)
; hTransport : void* -> "sptr"

; HRESULT DrtDeleteIpv6UdpTransport(void* hTransport)
#uselib "drttransport.dll"
#cfunc global DrtDeleteIpv6UdpTransport "DrtDeleteIpv6UdpTransport" intptr
; res = DrtDeleteIpv6UdpTransport(hTransport)
; hTransport : void* -> "intptr"

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

var (
	drttransport = windows.NewLazySystemDLL("drttransport.dll")
	procDrtDeleteIpv6UdpTransport = drttransport.NewProc("DrtDeleteIpv6UdpTransport")
)

// hTransport (void*)
r1, _, err := procDrtDeleteIpv6UdpTransport.Call(
	uintptr(hTransport),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DrtDeleteIpv6UdpTransport(
  hTransport: Pointer   // void*
): Integer; stdcall;
  external 'drttransport.dll' name 'DrtDeleteIpv6UdpTransport';

result := DllCall("drttransport\DrtDeleteIpv6UdpTransport"
    , "Ptr", hTransport   ; void*
    , "Int")   ; return: HRESULT

●DrtDeleteIpv6UdpTransport(hTransport) = DLL("drttransport.dll", "int DrtDeleteIpv6UdpTransport(void*)")
# 呼び出し: DrtDeleteIpv6UdpTransport(hTransport)
# hTransport : void* -> "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)。