KsCreateAllocator

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

DWORD KsCreateAllocator(
    HANDLE ConnectionHandle,
    KSALLOCATOR_FRAMING* AllocatorFraming,
    HANDLE* AllocatorHandle
);

<DllImport("ksuser.dll", ExactSpelling:=True)>
Public Shared Function KsCreateAllocator(
    ConnectionHandle As IntPtr,   ' HANDLE
    AllocatorFraming As IntPtr,   ' KSALLOCATOR_FRAMING*
    AllocatorHandle As IntPtr   ' HANDLE* out
) As UInteger
End Function

' ConnectionHandle : HANDLE
' AllocatorFraming : KSALLOCATOR_FRAMING*
' AllocatorHandle : HANDLE* out
Declare PtrSafe Function KsCreateAllocator Lib "ksuser" ( _
    ByVal ConnectionHandle As LongPtr, _
    ByVal AllocatorFraming As LongPtr, _
    ByVal AllocatorHandle 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

KsCreateAllocator = ctypes.windll.ksuser.KsCreateAllocator
KsCreateAllocator.restype = wintypes.DWORD
KsCreateAllocator.argtypes = [
    wintypes.HANDLE,  # ConnectionHandle : HANDLE
    ctypes.c_void_p,  # AllocatorFraming : KSALLOCATOR_FRAMING*
    ctypes.c_void_p,  # AllocatorHandle : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ksuser.dll')
KsCreateAllocator = Fiddle::Function.new(
  lib['KsCreateAllocator'],
  [
    Fiddle::TYPE_VOIDP,  # ConnectionHandle : HANDLE
    Fiddle::TYPE_VOIDP,  # AllocatorFraming : KSALLOCATOR_FRAMING*
    Fiddle::TYPE_VOIDP,  # AllocatorHandle : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "ksuser")]
extern "system" {
    fn KsCreateAllocator(
        ConnectionHandle: *mut core::ffi::c_void,  // HANDLE
        AllocatorFraming: *mut KSALLOCATOR_FRAMING,  // KSALLOCATOR_FRAMING*
        AllocatorHandle: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ksuser.dll")]
public static extern uint KsCreateAllocator(IntPtr ConnectionHandle, IntPtr AllocatorFraming, IntPtr AllocatorHandle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ksuser_KsCreateAllocator' -Namespace Win32 -PassThru
# $api::KsCreateAllocator(ConnectionHandle, AllocatorFraming, AllocatorHandle)

#uselib "ksuser.dll"
#func global KsCreateAllocator "KsCreateAllocator" sptr, sptr, sptr
; KsCreateAllocator ConnectionHandle, varptr(AllocatorFraming), AllocatorHandle   ; 戻り値は stat
; ConnectionHandle : HANDLE -> "sptr"
; AllocatorFraming : KSALLOCATOR_FRAMING* -> "sptr"
; AllocatorHandle : 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 "ksuser.dll"
#cfunc global KsCreateAllocator "KsCreateAllocator" sptr, var, sptr
; res = KsCreateAllocator(ConnectionHandle, AllocatorFraming, AllocatorHandle)
; ConnectionHandle : HANDLE -> "sptr"
; AllocatorFraming : KSALLOCATOR_FRAMING* -> "var"
; AllocatorHandle : 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 KsCreateAllocator(HANDLE ConnectionHandle, KSALLOCATOR_FRAMING* AllocatorFraming, HANDLE* AllocatorHandle)
#uselib "ksuser.dll"
#cfunc global KsCreateAllocator "KsCreateAllocator" intptr, var, intptr
; res = KsCreateAllocator(ConnectionHandle, AllocatorFraming, AllocatorHandle)
; ConnectionHandle : HANDLE -> "intptr"
; AllocatorFraming : KSALLOCATOR_FRAMING* -> "var"
; AllocatorHandle : 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 (
	ksuser = windows.NewLazySystemDLL("ksuser.dll")
	procKsCreateAllocator = ksuser.NewProc("KsCreateAllocator")
)

// ConnectionHandle (HANDLE), AllocatorFraming (KSALLOCATOR_FRAMING*), AllocatorHandle (HANDLE* out)
r1, _, err := procKsCreateAllocator.Call(
	uintptr(ConnectionHandle),
	uintptr(AllocatorFraming),
	uintptr(AllocatorHandle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function KsCreateAllocator(
  ConnectionHandle: THandle;   // HANDLE
  AllocatorFraming: Pointer;   // KSALLOCATOR_FRAMING*
  AllocatorHandle: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'ksuser.dll' name 'KsCreateAllocator';

result := DllCall("ksuser\KsCreateAllocator"
    , "Ptr", ConnectionHandle   ; HANDLE
    , "Ptr", AllocatorFraming   ; KSALLOCATOR_FRAMING*
    , "Ptr", AllocatorHandle   ; HANDLE* out
    , "UInt")   ; return: DWORD

●KsCreateAllocator(ConnectionHandle, AllocatorFraming, AllocatorHandle) = DLL("ksuser.dll", "dword KsCreateAllocator(void*, void*, void*)")
# 呼び出し: KsCreateAllocator(ConnectionHandle, AllocatorFraming, AllocatorHandle)
# ConnectionHandle : HANDLE -> "void*"
# AllocatorFraming : KSALLOCATOR_FRAMING* -> "void*"
# AllocatorHandle : 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)。