SLClose

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

HRESULT SLClose(
    void* hSLC
);

<DllImport("SLC.dll", ExactSpelling:=True)>
Public Shared Function SLClose(
    hSLC As IntPtr   ' void*
) As Integer
End Function

' hSLC : void*
Declare PtrSafe Function SLClose Lib "slc" ( _
    ByVal hSLC 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

SLClose = ctypes.windll.slc.SLClose
SLClose.restype = ctypes.c_int
SLClose.argtypes = [
    ctypes.POINTER(None),  # hSLC : void*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SLC.dll')
SLClose = Fiddle::Function.new(
  lib['SLClose'],
  [
    Fiddle::TYPE_VOIDP,  # hSLC : void*
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("SLC.dll")]
public static extern int SLClose(IntPtr hSLC);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SLC_SLClose' -Namespace Win32 -PassThru
# $api::SLClose(hSLC)

#uselib "SLC.dll"
#func global SLClose "SLClose" sptr
; SLClose hSLC   ; 戻り値は stat
; hSLC : 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 "SLC.dll"
#cfunc global SLClose "SLClose" sptr
; res = SLClose(hSLC)
; hSLC : void* -> "sptr"

; HRESULT SLClose(void* hSLC)
#uselib "SLC.dll"
#cfunc global SLClose "SLClose" intptr
; res = SLClose(hSLC)
; hSLC : void* -> "intptr"

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

var (
	slc = windows.NewLazySystemDLL("SLC.dll")
	procSLClose = slc.NewProc("SLClose")
)

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

function SLClose(
  hSLC: Pointer   // void*
): Integer; stdcall;
  external 'SLC.dll' name 'SLClose';

result := DllCall("SLC\SLClose"
    , "Ptr", hSLC   ; void*
    , "Int")   ; return: HRESULT

●SLClose(hSLC) = DLL("SLC.dll", "int SLClose(void*)")
# 呼び出し: SLClose(hSLC)
# hSLC : 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)。