WSAGetQOSByName

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

BOOL WSAGetQOSByName(
    SOCKET s,
    WSABUF* lpQOSName,
    QOS* lpQOS
);

<DllImport("WS2_32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WSAGetQOSByName(
    s As UIntPtr,   ' SOCKET
    lpQOSName As IntPtr,   ' WSABUF*
    lpQOS As IntPtr   ' QOS* out
) As Boolean
End Function

' s : SOCKET
' lpQOSName : WSABUF*
' lpQOS : QOS* out
Declare PtrSafe Function WSAGetQOSByName Lib "ws2_32" ( _
    ByVal s As LongPtr, _
    ByVal lpQOSName As LongPtr, _
    ByVal lpQOS 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

WSAGetQOSByName = ctypes.windll.ws2_32.WSAGetQOSByName
WSAGetQOSByName.restype = wintypes.BOOL
WSAGetQOSByName.argtypes = [
    ctypes.c_size_t,  # s : SOCKET
    ctypes.c_void_p,  # lpQOSName : WSABUF*
    ctypes.c_void_p,  # lpQOS : QOS* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WS2_32.dll')
WSAGetQOSByName = Fiddle::Function.new(
  lib['WSAGetQOSByName'],
  [
    Fiddle::TYPE_UINTPTR_T,  # s : SOCKET
    Fiddle::TYPE_VOIDP,  # lpQOSName : WSABUF*
    Fiddle::TYPE_VOIDP,  # lpQOS : QOS* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ws2_32")]
extern "system" {
    fn WSAGetQOSByName(
        s: usize,  // SOCKET
        lpQOSName: *mut WSABUF,  // WSABUF*
        lpQOS: *mut QOS  // QOS* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WS2_32.dll", SetLastError = true)]
public static extern bool WSAGetQOSByName(UIntPtr s, IntPtr lpQOSName, IntPtr lpQOS);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WS2_32_WSAGetQOSByName' -Namespace Win32 -PassThru
# $api::WSAGetQOSByName(s, lpQOSName, lpQOS)

#uselib "WS2_32.dll"
#func global WSAGetQOSByName "WSAGetQOSByName" sptr, sptr, sptr
; WSAGetQOSByName s, varptr(lpQOSName), varptr(lpQOS)   ; 戻り値は stat
; s : SOCKET -> "sptr"
; lpQOSName : WSABUF* -> "sptr"
; lpQOS : QOS* 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 WSAGetQOSByName "WSAGetQOSByName" sptr, var, var
; res = WSAGetQOSByName(s, lpQOSName, lpQOS)
; s : SOCKET -> "sptr"
; lpQOSName : WSABUF* -> "var"
; lpQOS : QOS* 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。

; BOOL WSAGetQOSByName(SOCKET s, WSABUF* lpQOSName, QOS* lpQOS)
#uselib "WS2_32.dll"
#cfunc global WSAGetQOSByName "WSAGetQOSByName" intptr, var, var
; res = WSAGetQOSByName(s, lpQOSName, lpQOS)
; s : SOCKET -> "intptr"
; lpQOSName : WSABUF* -> "var"
; lpQOS : QOS* 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")
	procWSAGetQOSByName = ws2_32.NewProc("WSAGetQOSByName")
)

// s (SOCKET), lpQOSName (WSABUF*), lpQOS (QOS* out)
r1, _, err := procWSAGetQOSByName.Call(
	uintptr(s),
	uintptr(lpQOSName),
	uintptr(lpQOS),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function WSAGetQOSByName(
  s: NativeUInt;   // SOCKET
  lpQOSName: Pointer;   // WSABUF*
  lpQOS: Pointer   // QOS* out
): BOOL; stdcall;
  external 'WS2_32.dll' name 'WSAGetQOSByName';

result := DllCall("WS2_32\WSAGetQOSByName"
    , "UPtr", s   ; SOCKET
    , "Ptr", lpQOSName   ; WSABUF*
    , "Ptr", lpQOS   ; QOS* out
    , "Int")   ; return: BOOL

●WSAGetQOSByName(s, lpQOSName, lpQOS) = DLL("WS2_32.dll", "bool WSAGetQOSByName(int, void*, void*)")
# 呼び出し: WSAGetQOSByName(s, lpQOSName, lpQOS)
# s : SOCKET -> "int"
# lpQOSName : WSABUF* -> "void*"
# lpQOS : QOS* 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)。