WinHttpGetProxyResultEx

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

DWORD WinHttpGetProxyResultEx(
    void* hResolver,
    WINHTTP_PROXY_RESULT_EX* pProxyResultEx
);

<DllImport("WINHTTP.dll", ExactSpelling:=True)>
Public Shared Function WinHttpGetProxyResultEx(
    hResolver As IntPtr,   ' void*
    pProxyResultEx As IntPtr   ' WINHTTP_PROXY_RESULT_EX* out
) As UInteger
End Function

' hResolver : void*
' pProxyResultEx : WINHTTP_PROXY_RESULT_EX* out
Declare PtrSafe Function WinHttpGetProxyResultEx Lib "winhttp" ( _
    ByVal hResolver As LongPtr, _
    ByVal pProxyResultEx 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

WinHttpGetProxyResultEx = ctypes.windll.winhttp.WinHttpGetProxyResultEx
WinHttpGetProxyResultEx.restype = wintypes.DWORD
WinHttpGetProxyResultEx.argtypes = [
    ctypes.POINTER(None),  # hResolver : void*
    ctypes.c_void_p,  # pProxyResultEx : WINHTTP_PROXY_RESULT_EX* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINHTTP.dll')
WinHttpGetProxyResultEx = Fiddle::Function.new(
  lib['WinHttpGetProxyResultEx'],
  [
    Fiddle::TYPE_VOIDP,  # hResolver : void*
    Fiddle::TYPE_VOIDP,  # pProxyResultEx : WINHTTP_PROXY_RESULT_EX* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winhttp")]
extern "system" {
    fn WinHttpGetProxyResultEx(
        hResolver: *mut (),  // void*
        pProxyResultEx: *mut WINHTTP_PROXY_RESULT_EX  // WINHTTP_PROXY_RESULT_EX* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WINHTTP.dll")]
public static extern uint WinHttpGetProxyResultEx(IntPtr hResolver, IntPtr pProxyResultEx);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINHTTP_WinHttpGetProxyResultEx' -Namespace Win32 -PassThru
# $api::WinHttpGetProxyResultEx(hResolver, pProxyResultEx)

#uselib "WINHTTP.dll"
#func global WinHttpGetProxyResultEx "WinHttpGetProxyResultEx" sptr, sptr
; WinHttpGetProxyResultEx hResolver, varptr(pProxyResultEx)   ; 戻り値は stat
; hResolver : void* -> "sptr"
; pProxyResultEx : WINHTTP_PROXY_RESULT_EX* 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 "WINHTTP.dll"
#cfunc global WinHttpGetProxyResultEx "WinHttpGetProxyResultEx" sptr, var
; res = WinHttpGetProxyResultEx(hResolver, pProxyResultEx)
; hResolver : void* -> "sptr"
; pProxyResultEx : WINHTTP_PROXY_RESULT_EX* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD WinHttpGetProxyResultEx(void* hResolver, WINHTTP_PROXY_RESULT_EX* pProxyResultEx)
#uselib "WINHTTP.dll"
#cfunc global WinHttpGetProxyResultEx "WinHttpGetProxyResultEx" intptr, var
; res = WinHttpGetProxyResultEx(hResolver, pProxyResultEx)
; hResolver : void* -> "intptr"
; pProxyResultEx : WINHTTP_PROXY_RESULT_EX* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	winhttp = windows.NewLazySystemDLL("WINHTTP.dll")
	procWinHttpGetProxyResultEx = winhttp.NewProc("WinHttpGetProxyResultEx")
)

// hResolver (void*), pProxyResultEx (WINHTTP_PROXY_RESULT_EX* out)
r1, _, err := procWinHttpGetProxyResultEx.Call(
	uintptr(hResolver),
	uintptr(pProxyResultEx),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WinHttpGetProxyResultEx(
  hResolver: Pointer;   // void*
  pProxyResultEx: Pointer   // WINHTTP_PROXY_RESULT_EX* out
): DWORD; stdcall;
  external 'WINHTTP.dll' name 'WinHttpGetProxyResultEx';

result := DllCall("WINHTTP\WinHttpGetProxyResultEx"
    , "Ptr", hResolver   ; void*
    , "Ptr", pProxyResultEx   ; WINHTTP_PROXY_RESULT_EX* out
    , "UInt")   ; return: DWORD

●WinHttpGetProxyResultEx(hResolver, pProxyResultEx) = DLL("WINHTTP.dll", "dword WinHttpGetProxyResultEx(void*, void*)")
# 呼び出し: WinHttpGetProxyResultEx(hResolver, pProxyResultEx)
# hResolver : void* -> "void*"
# pProxyResultEx : WINHTTP_PROXY_RESULT_EX* 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)。