HttpReceiveRequestEntityBody

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

DWORD HttpReceiveRequestEntityBody(
    HANDLE RequestQueueHandle,
    ULONGLONG RequestId,
    DWORD Flags,
    void* EntityBuffer,
    DWORD EntityBufferLength,
    DWORD* BytesReturned,   // optional
    OVERLAPPED* Overlapped   // optional
);

<DllImport("HTTPAPI.dll", ExactSpelling:=True)>
Public Shared Function HttpReceiveRequestEntityBody(
    RequestQueueHandle As IntPtr,   ' HANDLE
    RequestId As ULong,   ' ULONGLONG
    Flags As UInteger,   ' DWORD
    EntityBuffer As IntPtr,   ' void* out
    EntityBufferLength As UInteger,   ' DWORD
    BytesReturned As IntPtr,   ' DWORD* optional, out
    Overlapped As IntPtr   ' OVERLAPPED* optional, in/out
) As UInteger
End Function

' RequestQueueHandle : HANDLE
' RequestId : ULONGLONG
' Flags : DWORD
' EntityBuffer : void* out
' EntityBufferLength : DWORD
' BytesReturned : DWORD* optional, out
' Overlapped : OVERLAPPED* optional, in/out
Declare PtrSafe Function HttpReceiveRequestEntityBody Lib "httpapi" ( _
    ByVal RequestQueueHandle As LongPtr, _
    ByVal RequestId As LongLong, _
    ByVal Flags As Long, _
    ByVal EntityBuffer As LongPtr, _
    ByVal EntityBufferLength As Long, _
    ByVal BytesReturned As LongPtr, _
    ByVal Overlapped 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

HttpReceiveRequestEntityBody = ctypes.windll.httpapi.HttpReceiveRequestEntityBody
HttpReceiveRequestEntityBody.restype = wintypes.DWORD
HttpReceiveRequestEntityBody.argtypes = [
    wintypes.HANDLE,  # RequestQueueHandle : HANDLE
    ctypes.c_ulonglong,  # RequestId : ULONGLONG
    wintypes.DWORD,  # Flags : DWORD
    ctypes.POINTER(None),  # EntityBuffer : void* out
    wintypes.DWORD,  # EntityBufferLength : DWORD
    ctypes.POINTER(wintypes.DWORD),  # BytesReturned : DWORD* optional, out
    ctypes.c_void_p,  # Overlapped : OVERLAPPED* optional, in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HTTPAPI.dll')
HttpReceiveRequestEntityBody = Fiddle::Function.new(
  lib['HttpReceiveRequestEntityBody'],
  [
    Fiddle::TYPE_VOIDP,  # RequestQueueHandle : HANDLE
    -Fiddle::TYPE_LONG_LONG,  # RequestId : ULONGLONG
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # EntityBuffer : void* out
    -Fiddle::TYPE_INT,  # EntityBufferLength : DWORD
    Fiddle::TYPE_VOIDP,  # BytesReturned : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # Overlapped : OVERLAPPED* optional, in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "httpapi")]
extern "system" {
    fn HttpReceiveRequestEntityBody(
        RequestQueueHandle: *mut core::ffi::c_void,  // HANDLE
        RequestId: u64,  // ULONGLONG
        Flags: u32,  // DWORD
        EntityBuffer: *mut (),  // void* out
        EntityBufferLength: u32,  // DWORD
        BytesReturned: *mut u32,  // DWORD* optional, out
        Overlapped: *mut OVERLAPPED  // OVERLAPPED* optional, in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("HTTPAPI.dll")]
public static extern uint HttpReceiveRequestEntityBody(IntPtr RequestQueueHandle, ulong RequestId, uint Flags, IntPtr EntityBuffer, uint EntityBufferLength, IntPtr BytesReturned, IntPtr Overlapped);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HTTPAPI_HttpReceiveRequestEntityBody' -Namespace Win32 -PassThru
# $api::HttpReceiveRequestEntityBody(RequestQueueHandle, RequestId, Flags, EntityBuffer, EntityBufferLength, BytesReturned, Overlapped)

#uselib "HTTPAPI.dll"
#func global HttpReceiveRequestEntityBody "HttpReceiveRequestEntityBody" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; HttpReceiveRequestEntityBody RequestQueueHandle, RequestId, Flags, EntityBuffer, EntityBufferLength, varptr(BytesReturned), varptr(Overlapped)   ; 戻り値は stat
; RequestQueueHandle : HANDLE -> "sptr"
; RequestId : ULONGLONG -> "sptr"
; Flags : DWORD -> "sptr"
; EntityBuffer : void* out -> "sptr"
; EntityBufferLength : DWORD -> "sptr"
; BytesReturned : DWORD* optional, out -> "sptr"
; Overlapped : OVERLAPPED* optional, in/out -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 HttpReceiveRequestEntityBody "HttpReceiveRequestEntityBody" sptr, int64, int, sptr, int, var, var
; res = HttpReceiveRequestEntityBody(RequestQueueHandle, RequestId, Flags, EntityBuffer, EntityBufferLength, BytesReturned, Overlapped)
; RequestQueueHandle : HANDLE -> "sptr"
; RequestId : ULONGLONG -> "int64"
; Flags : DWORD -> "int"
; EntityBuffer : void* out -> "sptr"
; EntityBufferLength : DWORD -> "int"
; BytesReturned : DWORD* optional, out -> "var"
; Overlapped : OVERLAPPED* optional, in/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。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。

; DWORD HttpReceiveRequestEntityBody(HANDLE RequestQueueHandle, ULONGLONG RequestId, DWORD Flags, void* EntityBuffer, DWORD EntityBufferLength, DWORD* BytesReturned, OVERLAPPED* Overlapped)
#uselib "HTTPAPI.dll"
#cfunc global HttpReceiveRequestEntityBody "HttpReceiveRequestEntityBody" intptr, int64, int, intptr, int, var, var
; res = HttpReceiveRequestEntityBody(RequestQueueHandle, RequestId, Flags, EntityBuffer, EntityBufferLength, BytesReturned, Overlapped)
; RequestQueueHandle : HANDLE -> "intptr"
; RequestId : ULONGLONG -> "int64"
; Flags : DWORD -> "int"
; EntityBuffer : void* out -> "intptr"
; EntityBufferLength : DWORD -> "int"
; BytesReturned : DWORD* optional, out -> "var"
; Overlapped : OVERLAPPED* optional, in/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 (
	httpapi = windows.NewLazySystemDLL("HTTPAPI.dll")
	procHttpReceiveRequestEntityBody = httpapi.NewProc("HttpReceiveRequestEntityBody")
)

// RequestQueueHandle (HANDLE), RequestId (ULONGLONG), Flags (DWORD), EntityBuffer (void* out), EntityBufferLength (DWORD), BytesReturned (DWORD* optional, out), Overlapped (OVERLAPPED* optional, in/out)
r1, _, err := procHttpReceiveRequestEntityBody.Call(
	uintptr(RequestQueueHandle),
	uintptr(RequestId),
	uintptr(Flags),
	uintptr(EntityBuffer),
	uintptr(EntityBufferLength),
	uintptr(BytesReturned),
	uintptr(Overlapped),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function HttpReceiveRequestEntityBody(
  RequestQueueHandle: THandle;   // HANDLE
  RequestId: UInt64;   // ULONGLONG
  Flags: DWORD;   // DWORD
  EntityBuffer: Pointer;   // void* out
  EntityBufferLength: DWORD;   // DWORD
  BytesReturned: Pointer;   // DWORD* optional, out
  Overlapped: Pointer   // OVERLAPPED* optional, in/out
): DWORD; stdcall;
  external 'HTTPAPI.dll' name 'HttpReceiveRequestEntityBody';

result := DllCall("HTTPAPI\HttpReceiveRequestEntityBody"
    , "Ptr", RequestQueueHandle   ; HANDLE
    , "Int64", RequestId   ; ULONGLONG
    , "UInt", Flags   ; DWORD
    , "Ptr", EntityBuffer   ; void* out
    , "UInt", EntityBufferLength   ; DWORD
    , "Ptr", BytesReturned   ; DWORD* optional, out
    , "Ptr", Overlapped   ; OVERLAPPED* optional, in/out
    , "UInt")   ; return: DWORD

●HttpReceiveRequestEntityBody(RequestQueueHandle, RequestId, Flags, EntityBuffer, EntityBufferLength, BytesReturned, Overlapped) = DLL("HTTPAPI.dll", "dword HttpReceiveRequestEntityBody(void*, qword, dword, void*, dword, void*, void*)")
# 呼び出し: HttpReceiveRequestEntityBody(RequestQueueHandle, RequestId, Flags, EntityBuffer, EntityBufferLength, BytesReturned, Overlapped)
# RequestQueueHandle : HANDLE -> "void*"
# RequestId : ULONGLONG -> "qword"
# Flags : DWORD -> "dword"
# EntityBuffer : void* out -> "void*"
# EntityBufferLength : DWORD -> "dword"
# BytesReturned : DWORD* optional, out -> "void*"
# Overlapped : OVERLAPPED* 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)。