WPUCompleteOverlappedRequest

// WS2_32.dll
#include <windows.h>

INT WPUCompleteOverlappedRequest(
    SOCKET s,
    OVERLAPPED* lpOverlapped,
    DWORD dwError,
    DWORD cbTransferred,
    INT* lpErrno
);

<DllImport("WS2_32.dll", ExactSpelling:=True)>
Public Shared Function WPUCompleteOverlappedRequest(
    s As UIntPtr,   ' SOCKET
    lpOverlapped As IntPtr,   ' OVERLAPPED* in/out
    dwError As UInteger,   ' DWORD
    cbTransferred As UInteger,   ' DWORD
    <Out> ByRef lpErrno As Integer   ' INT* out
) As Integer
End Function

' s : SOCKET
' lpOverlapped : OVERLAPPED* in/out
' dwError : DWORD
' cbTransferred : DWORD
' lpErrno : INT* out
Declare PtrSafe Function WPUCompleteOverlappedRequest Lib "ws2_32" ( _
    ByVal s As LongPtr, _
    ByVal lpOverlapped As LongPtr, _
    ByVal dwError As Long, _
    ByVal cbTransferred As Long, _
    ByRef lpErrno As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WPUCompleteOverlappedRequest = ctypes.windll.ws2_32.WPUCompleteOverlappedRequest
WPUCompleteOverlappedRequest.restype = ctypes.c_int
WPUCompleteOverlappedRequest.argtypes = [
    ctypes.c_size_t,  # s : SOCKET
    ctypes.c_void_p,  # lpOverlapped : OVERLAPPED* in/out
    wintypes.DWORD,  # dwError : DWORD
    wintypes.DWORD,  # cbTransferred : DWORD
    ctypes.POINTER(ctypes.c_int),  # lpErrno : INT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WPUCompleteOverlappedRequest = Fiddle::Function.new(
  lib['WPUCompleteOverlappedRequest'],
  [
    Fiddle::TYPE_UINTPTR_T,  # s : SOCKET
    Fiddle::TYPE_VOIDP,  # lpOverlapped : OVERLAPPED* in/out
    -Fiddle::TYPE_INT,  # dwError : DWORD
    -Fiddle::TYPE_INT,  # cbTransferred : DWORD
    Fiddle::TYPE_VOIDP,  # lpErrno : INT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WPUCompleteOverlappedRequest(
        s: usize,  // SOCKET
        lpOverlapped: *mut OVERLAPPED,  // OVERLAPPED* in/out
        dwError: u32,  // DWORD
        cbTransferred: u32,  // DWORD
        lpErrno: *mut i32  // INT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WS2_32.dll")]
public static extern int WPUCompleteOverlappedRequest(UIntPtr s, IntPtr lpOverlapped, uint dwError, uint cbTransferred, out int lpErrno);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WPUCompleteOverlappedRequest' -Namespace Win32 -PassThru
# $api::WPUCompleteOverlappedRequest(s, lpOverlapped, dwError, cbTransferred, lpErrno)

#uselib "WS2_32.dll"
#func global WPUCompleteOverlappedRequest "WPUCompleteOverlappedRequest" sptr, sptr, sptr, sptr, sptr
; WPUCompleteOverlappedRequest s, varptr(lpOverlapped), dwError, cbTransferred, varptr(lpErrno)   ; 戻り値は stat
; s : SOCKET -> "sptr"
; lpOverlapped : OVERLAPPED* in/out -> "sptr"
; dwError : DWORD -> "sptr"
; cbTransferred : DWORD -> "sptr"
; lpErrno : INT* 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 "WS2_32.dll"
#cfunc global WPUCompleteOverlappedRequest "WPUCompleteOverlappedRequest" sptr, var, int, int, var
; res = WPUCompleteOverlappedRequest(s, lpOverlapped, dwError, cbTransferred, lpErrno)
; s : SOCKET -> "sptr"
; lpOverlapped : OVERLAPPED* in/out -> "var"
; dwError : DWORD -> "int"
; cbTransferred : DWORD -> "int"
; lpErrno : INT* 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。

; INT WPUCompleteOverlappedRequest(SOCKET s, OVERLAPPED* lpOverlapped, DWORD dwError, DWORD cbTransferred, INT* lpErrno)
#uselib "WS2_32.dll"
#cfunc global WPUCompleteOverlappedRequest "WPUCompleteOverlappedRequest" intptr, var, int, int, var
; res = WPUCompleteOverlappedRequest(s, lpOverlapped, dwError, cbTransferred, lpErrno)
; s : SOCKET -> "intptr"
; lpOverlapped : OVERLAPPED* in/out -> "var"
; dwError : DWORD -> "int"
; cbTransferred : DWORD -> "int"
; lpErrno : INT* 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 (
	ws2_32 = windows.NewLazySystemDLL("WS2_32.dll")
	procWPUCompleteOverlappedRequest = ws2_32.NewProc("WPUCompleteOverlappedRequest")
)

// s (SOCKET), lpOverlapped (OVERLAPPED* in/out), dwError (DWORD), cbTransferred (DWORD), lpErrno (INT* out)
r1, _, err := procWPUCompleteOverlappedRequest.Call(
	uintptr(s),
	uintptr(lpOverlapped),
	uintptr(dwError),
	uintptr(cbTransferred),
	uintptr(lpErrno),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function WPUCompleteOverlappedRequest(
  s: NativeUInt;   // SOCKET
  lpOverlapped: Pointer;   // OVERLAPPED* in/out
  dwError: DWORD;   // DWORD
  cbTransferred: DWORD;   // DWORD
  lpErrno: Pointer   // INT* out
): Integer; stdcall;
  external 'WS2_32.dll' name 'WPUCompleteOverlappedRequest';

result := DllCall("WS2_32\WPUCompleteOverlappedRequest"
    , "UPtr", s   ; SOCKET
    , "Ptr", lpOverlapped   ; OVERLAPPED* in/out
    , "UInt", dwError   ; DWORD
    , "UInt", cbTransferred   ; DWORD
    , "Ptr", lpErrno   ; INT* out
    , "Int")   ; return: INT

●WPUCompleteOverlappedRequest(s, lpOverlapped, dwError, cbTransferred, lpErrno) = DLL("WS2_32.dll", "int WPUCompleteOverlappedRequest(int, void*, dword, dword, void*)")
# 呼び出し: WPUCompleteOverlappedRequest(s, lpOverlapped, dwError, cbTransferred, lpErrno)
# s : SOCKET -> "int"
# lpOverlapped : OVERLAPPED* in/out -> "void*"
# dwError : DWORD -> "dword"
# cbTransferred : DWORD -> "dword"
# lpErrno : INT* 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)。