HttpPushEnable

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

DWORD HttpPushEnable(
    void* hRequest,
    HTTP_PUSH_TRANSPORT_SETTING* pTransportSetting,
    HTTP_PUSH_WAIT_HANDLE* phWait
);

<DllImport("WININET.dll", ExactSpelling:=True)>
Public Shared Function HttpPushEnable(
    hRequest As IntPtr,   ' void*
    pTransportSetting As IntPtr,   ' HTTP_PUSH_TRANSPORT_SETTING*
    phWait As IntPtr   ' HTTP_PUSH_WAIT_HANDLE* out
) As UInteger
End Function

' hRequest : void*
' pTransportSetting : HTTP_PUSH_TRANSPORT_SETTING*
' phWait : HTTP_PUSH_WAIT_HANDLE* out
Declare PtrSafe Function HttpPushEnable Lib "wininet" ( _
    ByVal hRequest As LongPtr, _
    ByVal pTransportSetting As LongPtr, _
    ByVal phWait 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

HttpPushEnable = ctypes.windll.wininet.HttpPushEnable
HttpPushEnable.restype = wintypes.DWORD
HttpPushEnable.argtypes = [
    ctypes.POINTER(None),  # hRequest : void*
    ctypes.c_void_p,  # pTransportSetting : HTTP_PUSH_TRANSPORT_SETTING*
    ctypes.c_void_p,  # phWait : HTTP_PUSH_WAIT_HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WININET.dll')
HttpPushEnable = Fiddle::Function.new(
  lib['HttpPushEnable'],
  [
    Fiddle::TYPE_VOIDP,  # hRequest : void*
    Fiddle::TYPE_VOIDP,  # pTransportSetting : HTTP_PUSH_TRANSPORT_SETTING*
    Fiddle::TYPE_VOIDP,  # phWait : HTTP_PUSH_WAIT_HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wininet")]
extern "system" {
    fn HttpPushEnable(
        hRequest: *mut (),  // void*
        pTransportSetting: *mut HTTP_PUSH_TRANSPORT_SETTING,  // HTTP_PUSH_TRANSPORT_SETTING*
        phWait: *mut *mut core::ffi::c_void  // HTTP_PUSH_WAIT_HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WININET.dll")]
public static extern uint HttpPushEnable(IntPtr hRequest, IntPtr pTransportSetting, IntPtr phWait);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_HttpPushEnable' -Namespace Win32 -PassThru
# $api::HttpPushEnable(hRequest, pTransportSetting, phWait)

#uselib "WININET.dll"
#func global HttpPushEnable "HttpPushEnable" sptr, sptr, sptr
; HttpPushEnable hRequest, varptr(pTransportSetting), phWait   ; 戻り値は stat
; hRequest : void* -> "sptr"
; pTransportSetting : HTTP_PUSH_TRANSPORT_SETTING* -> "sptr"
; phWait : HTTP_PUSH_WAIT_HANDLE* 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 "WININET.dll"
#cfunc global HttpPushEnable "HttpPushEnable" sptr, var, sptr
; res = HttpPushEnable(hRequest, pTransportSetting, phWait)
; hRequest : void* -> "sptr"
; pTransportSetting : HTTP_PUSH_TRANSPORT_SETTING* -> "var"
; phWait : HTTP_PUSH_WAIT_HANDLE* out -> "sptr"
; ※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 HttpPushEnable(void* hRequest, HTTP_PUSH_TRANSPORT_SETTING* pTransportSetting, HTTP_PUSH_WAIT_HANDLE* phWait)
#uselib "WININET.dll"
#cfunc global HttpPushEnable "HttpPushEnable" intptr, var, intptr
; res = HttpPushEnable(hRequest, pTransportSetting, phWait)
; hRequest : void* -> "intptr"
; pTransportSetting : HTTP_PUSH_TRANSPORT_SETTING* -> "var"
; phWait : HTTP_PUSH_WAIT_HANDLE* out -> "intptr"
; ※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 (
	wininet = windows.NewLazySystemDLL("WININET.dll")
	procHttpPushEnable = wininet.NewProc("HttpPushEnable")
)

// hRequest (void*), pTransportSetting (HTTP_PUSH_TRANSPORT_SETTING*), phWait (HTTP_PUSH_WAIT_HANDLE* out)
r1, _, err := procHttpPushEnable.Call(
	uintptr(hRequest),
	uintptr(pTransportSetting),
	uintptr(phWait),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function HttpPushEnable(
  hRequest: Pointer;   // void*
  pTransportSetting: Pointer;   // HTTP_PUSH_TRANSPORT_SETTING*
  phWait: Pointer   // HTTP_PUSH_WAIT_HANDLE* out
): DWORD; stdcall;
  external 'WININET.dll' name 'HttpPushEnable';

result := DllCall("WININET\HttpPushEnable"
    , "Ptr", hRequest   ; void*
    , "Ptr", pTransportSetting   ; HTTP_PUSH_TRANSPORT_SETTING*
    , "Ptr", phWait   ; HTTP_PUSH_WAIT_HANDLE* out
    , "UInt")   ; return: DWORD

●HttpPushEnable(hRequest, pTransportSetting, phWait) = DLL("WININET.dll", "dword HttpPushEnable(void*, void*, void*)")
# 呼び出し: HttpPushEnable(hRequest, pTransportSetting, phWait)
# hRequest : void* -> "void*"
# pTransportSetting : HTTP_PUSH_TRANSPORT_SETTING* -> "void*"
# phWait : HTTP_PUSH_WAIT_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)。