HttpTerminate

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

DWORD HttpTerminate(
    HTTP_INITIALIZE Flags,
    void* pReserved   // optional
);

<DllImport("HTTPAPI.dll", ExactSpelling:=True)>
Public Shared Function HttpTerminate(
    Flags As UInteger,   ' HTTP_INITIALIZE
    pReserved As IntPtr   ' void* optional, in/out
) As UInteger
End Function

' Flags : HTTP_INITIALIZE
' pReserved : void* optional, in/out
Declare PtrSafe Function HttpTerminate Lib "httpapi" ( _
    ByVal Flags As Long, _
    ByVal pReserved 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

HttpTerminate = ctypes.windll.httpapi.HttpTerminate
HttpTerminate.restype = wintypes.DWORD
HttpTerminate.argtypes = [
    wintypes.DWORD,  # Flags : HTTP_INITIALIZE
    ctypes.POINTER(None),  # pReserved : void* optional, in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HTTPAPI.dll')
HttpTerminate = Fiddle::Function.new(
  lib['HttpTerminate'],
  [
    -Fiddle::TYPE_INT,  # Flags : HTTP_INITIALIZE
    Fiddle::TYPE_VOIDP,  # pReserved : void* optional, in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "httpapi")]
extern "system" {
    fn HttpTerminate(
        Flags: u32,  // HTTP_INITIALIZE
        pReserved: *mut ()  // void* optional, in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("HTTPAPI.dll")]
public static extern uint HttpTerminate(uint Flags, IntPtr pReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HTTPAPI_HttpTerminate' -Namespace Win32 -PassThru
# $api::HttpTerminate(Flags, pReserved)

#uselib "HTTPAPI.dll"
#func global HttpTerminate "HttpTerminate" sptr, sptr
; HttpTerminate Flags, pReserved   ; 戻り値は stat
; Flags : HTTP_INITIALIZE -> "sptr"
; pReserved : void* optional, in/out -> "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 "HTTPAPI.dll"
#cfunc global HttpTerminate "HttpTerminate" int, sptr
; res = HttpTerminate(Flags, pReserved)
; Flags : HTTP_INITIALIZE -> "int"
; pReserved : void* optional, in/out -> "sptr"

; DWORD HttpTerminate(HTTP_INITIALIZE Flags, void* pReserved)
#uselib "HTTPAPI.dll"
#cfunc global HttpTerminate "HttpTerminate" int, intptr
; res = HttpTerminate(Flags, pReserved)
; Flags : HTTP_INITIALIZE -> "int"
; pReserved : void* optional, in/out -> "intptr"

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

var (
	httpapi = windows.NewLazySystemDLL("HTTPAPI.dll")
	procHttpTerminate = httpapi.NewProc("HttpTerminate")
)

// Flags (HTTP_INITIALIZE), pReserved (void* optional, in/out)
r1, _, err := procHttpTerminate.Call(
	uintptr(Flags),
	uintptr(pReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function HttpTerminate(
  Flags: DWORD;   // HTTP_INITIALIZE
  pReserved: Pointer   // void* optional, in/out
): DWORD; stdcall;
  external 'HTTPAPI.dll' name 'HttpTerminate';

result := DllCall("HTTPAPI\HttpTerminate"
    , "UInt", Flags   ; HTTP_INITIALIZE
    , "Ptr", pReserved   ; void* optional, in/out
    , "UInt")   ; return: DWORD

●HttpTerminate(Flags, pReserved) = DLL("HTTPAPI.dll", "dword HttpTerminate(dword, void*)")
# 呼び出し: HttpTerminate(Flags, pReserved)
# Flags : HTTP_INITIALIZE -> "dword"
# pReserved : void* optional, in/out -> "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)。