WinHttpCreateProxyResolver

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

DWORD WinHttpCreateProxyResolver(
    void* hSession,
    void** phResolver
);

<DllImport("WINHTTP.dll", ExactSpelling:=True)>
Public Shared Function WinHttpCreateProxyResolver(
    hSession As IntPtr,   ' void*
    phResolver As IntPtr   ' void** out
) As UInteger
End Function

' hSession : void*
' phResolver : void** out
Declare PtrSafe Function WinHttpCreateProxyResolver Lib "winhttp" ( _
    ByVal hSession As LongPtr, _
    ByVal phResolver 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

WinHttpCreateProxyResolver = ctypes.windll.winhttp.WinHttpCreateProxyResolver
WinHttpCreateProxyResolver.restype = wintypes.DWORD
WinHttpCreateProxyResolver.argtypes = [
    ctypes.POINTER(None),  # hSession : void*
    ctypes.c_void_p,  # phResolver : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WINHTTP.dll')
WinHttpCreateProxyResolver = Fiddle::Function.new(
  lib['WinHttpCreateProxyResolver'],
  [
    Fiddle::TYPE_VOIDP,  # hSession : void*
    Fiddle::TYPE_VOIDP,  # phResolver : void** out
  ],
  -Fiddle::TYPE_INT)

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

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

#uselib "WINHTTP.dll"
#func global WinHttpCreateProxyResolver "WinHttpCreateProxyResolver" sptr, sptr
; WinHttpCreateProxyResolver hSession, phResolver   ; 戻り値は stat
; hSession : void* -> "sptr"
; phResolver : void** 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 WinHttpCreateProxyResolver "WinHttpCreateProxyResolver" sptr, sptr
; res = WinHttpCreateProxyResolver(hSession, phResolver)
; hSession : void* -> "sptr"
; phResolver : void** out -> "sptr"

; DWORD WinHttpCreateProxyResolver(void* hSession, void** phResolver)
#uselib "WINHTTP.dll"
#cfunc global WinHttpCreateProxyResolver "WinHttpCreateProxyResolver" intptr, intptr
; res = WinHttpCreateProxyResolver(hSession, phResolver)
; hSession : void* -> "intptr"
; phResolver : void** out -> "intptr"

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

var (
	winhttp = windows.NewLazySystemDLL("WINHTTP.dll")
	procWinHttpCreateProxyResolver = winhttp.NewProc("WinHttpCreateProxyResolver")
)

// hSession (void*), phResolver (void** out)
r1, _, err := procWinHttpCreateProxyResolver.Call(
	uintptr(hSession),
	uintptr(phResolver),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function WinHttpCreateProxyResolver(
  hSession: Pointer;   // void*
  phResolver: Pointer   // void** out
): DWORD; stdcall;
  external 'WINHTTP.dll' name 'WinHttpCreateProxyResolver';

result := DllCall("WINHTTP\WinHttpCreateProxyResolver"
    , "Ptr", hSession   ; void*
    , "Ptr", phResolver   ; void** out
    , "UInt")   ; return: DWORD

●WinHttpCreateProxyResolver(hSession, phResolver) = DLL("WINHTTP.dll", "dword WinHttpCreateProxyResolver(void*, void*)")
# 呼び出し: WinHttpCreateProxyResolver(hSession, phResolver)
# hSession : void* -> "void*"
# phResolver : void** 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)。