QueryContextAttributesA

// SECUR32.dll  (ANSI / -A)
#include <windows.h>

HRESULT QueryContextAttributesA(
    SecHandle* phContext,
    SECPKG_ATTR ulAttribute,
    void* pBuffer
);

<DllImport("SECUR32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function QueryContextAttributesA(
    phContext As IntPtr,   ' SecHandle*
    ulAttribute As UInteger,   ' SECPKG_ATTR
    pBuffer As IntPtr   ' void* out
) As Integer
End Function

' phContext : SecHandle*
' ulAttribute : SECPKG_ATTR
' pBuffer : void* out
Declare PtrSafe Function QueryContextAttributesA Lib "secur32" ( _
    ByVal phContext As LongPtr, _
    ByVal ulAttribute As Long, _
    ByVal pBuffer 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

QueryContextAttributesA = ctypes.windll.secur32.QueryContextAttributesA
QueryContextAttributesA.restype = ctypes.c_int
QueryContextAttributesA.argtypes = [
    ctypes.c_void_p,  # phContext : SecHandle*
    wintypes.DWORD,  # ulAttribute : SECPKG_ATTR
    ctypes.POINTER(None),  # pBuffer : void* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SECUR32.dll')
QueryContextAttributesA = Fiddle::Function.new(
  lib['QueryContextAttributesA'],
  [
    Fiddle::TYPE_VOIDP,  # phContext : SecHandle*
    -Fiddle::TYPE_INT,  # ulAttribute : SECPKG_ATTR
    Fiddle::TYPE_VOIDP,  # pBuffer : void* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "secur32")]
extern "system" {
    fn QueryContextAttributesA(
        phContext: *mut SecHandle,  // SecHandle*
        ulAttribute: u32,  // SECPKG_ATTR
        pBuffer: *mut ()  // void* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SECUR32.dll", CharSet = CharSet.Ansi)]
public static extern int QueryContextAttributesA(IntPtr phContext, uint ulAttribute, IntPtr pBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SECUR32_QueryContextAttributesA' -Namespace Win32 -PassThru
# $api::QueryContextAttributesA(phContext, ulAttribute, pBuffer)

#uselib "SECUR32.dll"
#func global QueryContextAttributesA "QueryContextAttributesA" sptr, sptr, sptr
; QueryContextAttributesA varptr(phContext), ulAttribute, pBuffer   ; 戻り値は stat
; phContext : SecHandle* -> "sptr"
; ulAttribute : SECPKG_ATTR -> "sptr"
; pBuffer : void* 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。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	secur32 = windows.NewLazySystemDLL("SECUR32.dll")
	procQueryContextAttributesA = secur32.NewProc("QueryContextAttributesA")
)

// phContext (SecHandle*), ulAttribute (SECPKG_ATTR), pBuffer (void* out)
r1, _, err := procQueryContextAttributesA.Call(
	uintptr(phContext),
	uintptr(ulAttribute),
	uintptr(pBuffer),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function QueryContextAttributesA(
  phContext: Pointer;   // SecHandle*
  ulAttribute: DWORD;   // SECPKG_ATTR
  pBuffer: Pointer   // void* out
): Integer; stdcall;
  external 'SECUR32.dll' name 'QueryContextAttributesA';

result := DllCall("SECUR32\QueryContextAttributesA"
    , "Ptr", phContext   ; SecHandle*
    , "UInt", ulAttribute   ; SECPKG_ATTR
    , "Ptr", pBuffer   ; void* out
    , "Int")   ; return: HRESULT

●QueryContextAttributesA(phContext, ulAttribute, pBuffer) = DLL("SECUR32.dll", "int QueryContextAttributesA(void*, dword, void*)")
# 呼び出し: QueryContextAttributesA(phContext, ulAttribute, pBuffer)
# phContext : SecHandle* -> "void*"
# ulAttribute : SECPKG_ATTR -> "dword"
# pBuffer : void* 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)。

const std = @import("std");

extern "secur32" fn QueryContextAttributesA(
    phContext: [*c]SecHandle, // SecHandle*
    ulAttribute: u32, // SECPKG_ATTR
    pBuffer: ?*anyopaque // void* out
) callconv(std.os.windows.WINAPI) i32;

proc QueryContextAttributesA(
    phContext: ptr SecHandle,  # SecHandle*
    ulAttribute: uint32,  # SECPKG_ATTR
    pBuffer: pointer  # void* out
): int32 {.importc: "QueryContextAttributesA", stdcall, dynlib: "SECUR32.dll".}

pragma(lib, "secur32");
extern(Windows)
int QueryContextAttributesA(
    SecHandle* phContext,   // SecHandle*
    uint ulAttribute,   // SECPKG_ATTR
    void* pBuffer   // void* out
);

ccall((:QueryContextAttributesA, "SECUR32.dll"), stdcall, Int32,
      (Ptr{SecHandle}, UInt32, Ptr{Cvoid}),
      phContext, ulAttribute, pBuffer)
# phContext : SecHandle* -> Ptr{SecHandle}
# ulAttribute : SECPKG_ATTR -> UInt32
# pBuffer : void* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t QueryContextAttributesA(
    void* phContext,
    uint32_t ulAttribute,
    void* pBuffer);
]]
local secur32 = ffi.load("secur32")
-- secur32.QueryContextAttributesA(phContext, ulAttribute, pBuffer)
-- phContext : SecHandle*
-- ulAttribute : SECPKG_ATTR
-- pBuffer : void* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('SECUR32.dll');
const QueryContextAttributesA = lib.func('__stdcall', 'QueryContextAttributesA', 'int32_t', ['void *', 'uint32_t', 'void *']);
// QueryContextAttributesA(phContext, ulAttribute, pBuffer)
// phContext : SecHandle* -> 'void *'
// ulAttribute : SECPKG_ATTR -> 'uint32_t'
// pBuffer : void* out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("SECUR32.dll", {
  QueryContextAttributesA: { parameters: ["pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.QueryContextAttributesA(phContext, ulAttribute, pBuffer)
// phContext : SecHandle* -> "pointer"
// ulAttribute : SECPKG_ATTR -> "u32"
// pBuffer : void* out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t QueryContextAttributesA(
    void* phContext,
    uint32_t ulAttribute,
    void* pBuffer);
C, "SECUR32.dll");
// $ffi->QueryContextAttributesA(phContext, ulAttribute, pBuffer);
// phContext : SecHandle*
// ulAttribute : SECPKG_ATTR
// pBuffer : void* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Secur32 extends StdCallLibrary {
    Secur32 INSTANCE = Native.load("secur32", Secur32.class, W32APIOptions.ASCII_OPTIONS);
    int QueryContextAttributesA(
        Pointer phContext,   // SecHandle*
        int ulAttribute,   // SECPKG_ATTR
        Pointer pBuffer   // void* out
    );
}

@[Link("secur32")]
lib LibSECUR32
  fun QueryContextAttributesA = QueryContextAttributesA(
    phContext : SecHandle*,   # SecHandle*
    ulAttribute : UInt32,   # SECPKG_ATTR
    pBuffer : Void*   # void* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef QueryContextAttributesANative = Int32 Function(Pointer<Void>, Uint32, Pointer<Void>);
typedef QueryContextAttributesADart = int Function(Pointer<Void>, int, Pointer<Void>);
final QueryContextAttributesA = DynamicLibrary.open('SECUR32.dll')
    .lookupFunction<QueryContextAttributesANative, QueryContextAttributesADart>('QueryContextAttributesA');
// phContext : SecHandle* -> Pointer<Void>
// ulAttribute : SECPKG_ATTR -> Uint32
// pBuffer : void* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function QueryContextAttributesA(
  phContext: Pointer;   // SecHandle*
  ulAttribute: DWORD;   // SECPKG_ATTR
  pBuffer: Pointer   // void* out
): Integer; stdcall;
  external 'SECUR32.dll' name 'QueryContextAttributesA';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "QueryContextAttributesA"
  c_QueryContextAttributesA :: Ptr () -> Word32 -> Ptr () -> IO Int32
-- phContext : SecHandle* -> Ptr ()
-- ulAttribute : SECPKG_ATTR -> Word32
-- pBuffer : void* out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let querycontextattributesa =
  foreign "QueryContextAttributesA"
    ((ptr void) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* phContext : SecHandle* -> (ptr void) *)
(* ulAttribute : SECPKG_ATTR -> uint32_t *)
(* pBuffer : void* out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library secur32 (t "SECUR32.dll"))
(cffi:use-foreign-library secur32)

(cffi:defcfun ("QueryContextAttributesA" query-context-attributes-a :convention :stdcall) :int32
  (ph-context :pointer)   ; SecHandle*
  (ul-attribute :uint32)   ; SECPKG_ATTR
  (p-buffer :pointer))   ; void* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $QueryContextAttributesA = Win32::API::More->new('SECUR32',
    'int QueryContextAttributesA(LPVOID phContext, DWORD ulAttribute, LPVOID pBuffer)');
# my $ret = $QueryContextAttributesA->Call($phContext, $ulAttribute, $pBuffer);
# phContext : SecHandle* -> LPVOID
# ulAttribute : SECPKG_ATTR -> DWORD
# pBuffer : void* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。