WsFreeHeap

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

void WsFreeHeap(
    WS_HEAP* heap
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Sub WsFreeHeap(
    ByRef heap As IntPtr   ' WS_HEAP*
)
End Sub

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

import ctypes
from ctypes import wintypes

WsFreeHeap = ctypes.windll.webservices.WsFreeHeap
WsFreeHeap.restype = None
WsFreeHeap.argtypes = [
    ctypes.c_void_p,  # heap : WS_HEAP*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsFreeHeap = Fiddle::Function.new(
  lib['WsFreeHeap'],
  [
    Fiddle::TYPE_VOIDP,  # heap : WS_HEAP*
  ],
  Fiddle::TYPE_VOID)

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

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

#uselib "webservices.dll"
#func global WsFreeHeap "WsFreeHeap" sptr
; WsFreeHeap heap
; heap : WS_HEAP* -> "sptr"

#uselib "webservices.dll"
#func global WsFreeHeap "WsFreeHeap" int
; WsFreeHeap heap
; heap : WS_HEAP* -> "int"

; void WsFreeHeap(WS_HEAP* heap)
#uselib "webservices.dll"
#func global WsFreeHeap "WsFreeHeap" int
; WsFreeHeap heap
; heap : WS_HEAP* -> "int"

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

var (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsFreeHeap = webservices.NewProc("WsFreeHeap")
)

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

procedure WsFreeHeap(
  heap: Pointer   // WS_HEAP*
); stdcall;
  external 'webservices.dll' name 'WsFreeHeap';

result := DllCall("webservices\WsFreeHeap"
    , "Ptr", heap   ; WS_HEAP*
    , "Int")   ; return: void

●WsFreeHeap(heap) = DLL("webservices.dll", "int WsFreeHeap(void*)")
# 呼び出し: WsFreeHeap(heap)
# heap : WS_HEAP* -> "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)。