HttpCreateRequestQueue

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

DWORD HttpCreateRequestQueue(
    HTTPAPI_VERSION Version,
    LPCWSTR Name,   // optional
    SECURITY_ATTRIBUTES* SecurityAttributes,   // optional
    DWORD Flags,   // optional
    HTTP_REQUEST_QUEUE_HANDLE* RequestQueueHandle
);

<DllImport("HTTPAPI.dll", ExactSpelling:=True)>
Public Shared Function HttpCreateRequestQueue(
    Version As HTTPAPI_VERSION,   ' HTTPAPI_VERSION
    <MarshalAs(UnmanagedType.LPWStr)> Name As String,   ' LPCWSTR optional
    SecurityAttributes As IntPtr,   ' SECURITY_ATTRIBUTES* optional
    Flags As UInteger,   ' DWORD optional
    RequestQueueHandle As IntPtr   ' HTTP_REQUEST_QUEUE_HANDLE* out
) As UInteger
End Function

' Version : HTTPAPI_VERSION
' Name : LPCWSTR optional
' SecurityAttributes : SECURITY_ATTRIBUTES* optional
' Flags : DWORD optional
' RequestQueueHandle : HTTP_REQUEST_QUEUE_HANDLE* out
Declare PtrSafe Function HttpCreateRequestQueue Lib "httpapi" ( _
    ByVal Version As LongPtr, _
    ByVal Name As LongPtr, _
    ByVal SecurityAttributes As LongPtr, _
    ByVal Flags As Long, _
    ByVal RequestQueueHandle 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

HttpCreateRequestQueue = ctypes.windll.httpapi.HttpCreateRequestQueue
HttpCreateRequestQueue.restype = wintypes.DWORD
HttpCreateRequestQueue.argtypes = [
    HTTPAPI_VERSION,  # Version : HTTPAPI_VERSION
    wintypes.LPCWSTR,  # Name : LPCWSTR optional
    ctypes.c_void_p,  # SecurityAttributes : SECURITY_ATTRIBUTES* optional
    wintypes.DWORD,  # Flags : DWORD optional
    ctypes.c_void_p,  # RequestQueueHandle : HTTP_REQUEST_QUEUE_HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HTTPAPI.dll')
HttpCreateRequestQueue = Fiddle::Function.new(
  lib['HttpCreateRequestQueue'],
  [
    Fiddle::TYPE_VOIDP,  # Version : HTTPAPI_VERSION
    Fiddle::TYPE_VOIDP,  # Name : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # SecurityAttributes : SECURITY_ATTRIBUTES* optional
    -Fiddle::TYPE_INT,  # Flags : DWORD optional
    Fiddle::TYPE_VOIDP,  # RequestQueueHandle : HTTP_REQUEST_QUEUE_HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "httpapi")]
extern "system" {
    fn HttpCreateRequestQueue(
        Version: HTTPAPI_VERSION,  // HTTPAPI_VERSION
        Name: *const u16,  // LPCWSTR optional
        SecurityAttributes: *mut SECURITY_ATTRIBUTES,  // SECURITY_ATTRIBUTES* optional
        Flags: u32,  // DWORD optional
        RequestQueueHandle: *mut HTTP_REQUEST_QUEUE_HANDLE  // HTTP_REQUEST_QUEUE_HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("HTTPAPI.dll")]
public static extern uint HttpCreateRequestQueue(HTTPAPI_VERSION Version, [MarshalAs(UnmanagedType.LPWStr)] string Name, IntPtr SecurityAttributes, uint Flags, IntPtr RequestQueueHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HTTPAPI_HttpCreateRequestQueue' -Namespace Win32 -PassThru
# $api::HttpCreateRequestQueue(Version, Name, SecurityAttributes, Flags, RequestQueueHandle)

#uselib "HTTPAPI.dll"
#func global HttpCreateRequestQueue "HttpCreateRequestQueue" sptr, sptr, sptr, sptr, sptr
; HttpCreateRequestQueue Version, Name, varptr(SecurityAttributes), Flags, varptr(RequestQueueHandle)   ; 戻り値は stat
; Version : HTTPAPI_VERSION -> "sptr"
; Name : LPCWSTR optional -> "sptr"
; SecurityAttributes : SECURITY_ATTRIBUTES* optional -> "sptr"
; Flags : DWORD optional -> "sptr"
; RequestQueueHandle : HTTP_REQUEST_QUEUE_HANDLE* out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 HttpCreateRequestQueue "HttpCreateRequestQueue" int, wstr, var, int, var
; res = HttpCreateRequestQueue(Version, Name, SecurityAttributes, Flags, RequestQueueHandle)
; Version : HTTPAPI_VERSION -> "int"
; Name : LPCWSTR optional -> "wstr"
; SecurityAttributes : SECURITY_ATTRIBUTES* optional -> "var"
; Flags : DWORD optional -> "int"
; RequestQueueHandle : HTTP_REQUEST_QUEUE_HANDLE* out -> "var"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 HttpCreateRequestQueue(HTTPAPI_VERSION Version, LPCWSTR Name, SECURITY_ATTRIBUTES* SecurityAttributes, DWORD Flags, HTTP_REQUEST_QUEUE_HANDLE* RequestQueueHandle)
#uselib "HTTPAPI.dll"
#cfunc global HttpCreateRequestQueue "HttpCreateRequestQueue" int, wstr, var, int, var
; res = HttpCreateRequestQueue(Version, Name, SecurityAttributes, Flags, RequestQueueHandle)
; Version : HTTPAPI_VERSION -> "int"
; Name : LPCWSTR optional -> "wstr"
; SecurityAttributes : SECURITY_ATTRIBUTES* optional -> "var"
; Flags : DWORD optional -> "int"
; RequestQueueHandle : HTTP_REQUEST_QUEUE_HANDLE* out -> "var"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 (
	httpapi = windows.NewLazySystemDLL("HTTPAPI.dll")
	procHttpCreateRequestQueue = httpapi.NewProc("HttpCreateRequestQueue")
)

// Version (HTTPAPI_VERSION), Name (LPCWSTR optional), SecurityAttributes (SECURITY_ATTRIBUTES* optional), Flags (DWORD optional), RequestQueueHandle (HTTP_REQUEST_QUEUE_HANDLE* out)
r1, _, err := procHttpCreateRequestQueue.Call(
	uintptr(Version),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(Name))),
	uintptr(SecurityAttributes),
	uintptr(Flags),
	uintptr(RequestQueueHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function HttpCreateRequestQueue(
  Version: HTTPAPI_VERSION;   // HTTPAPI_VERSION
  Name: PWideChar;   // LPCWSTR optional
  SecurityAttributes: Pointer;   // SECURITY_ATTRIBUTES* optional
  Flags: DWORD;   // DWORD optional
  RequestQueueHandle: Pointer   // HTTP_REQUEST_QUEUE_HANDLE* out
): DWORD; stdcall;
  external 'HTTPAPI.dll' name 'HttpCreateRequestQueue';

result := DllCall("HTTPAPI\HttpCreateRequestQueue"
    , "Ptr", Version   ; HTTPAPI_VERSION
    , "WStr", Name   ; LPCWSTR optional
    , "Ptr", SecurityAttributes   ; SECURITY_ATTRIBUTES* optional
    , "UInt", Flags   ; DWORD optional
    , "Ptr", RequestQueueHandle   ; HTTP_REQUEST_QUEUE_HANDLE* out
    , "UInt")   ; return: DWORD

●HttpCreateRequestQueue(Version, Name, SecurityAttributes, Flags, RequestQueueHandle) = DLL("HTTPAPI.dll", "dword HttpCreateRequestQueue(void*, char*, void*, dword, void*)")
# 呼び出し: HttpCreateRequestQueue(Version, Name, SecurityAttributes, Flags, RequestQueueHandle)
# Version : HTTPAPI_VERSION -> "void*"
# Name : LPCWSTR optional -> "char*"
# SecurityAttributes : SECURITY_ATTRIBUTES* optional -> "void*"
# Flags : DWORD optional -> "dword"
# RequestQueueHandle : HTTP_REQUEST_QUEUE_HANDLE* 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)。