AVIFileGetStream

// AVIFIL32.dll
#include <windows.h>

HRESULT AVIFileGetStream(
    IAVIFile* pfile,
    IAVIStream** ppavi,
    DWORD fccType,
    INT lParam
);

<DllImport("AVIFIL32.dll", ExactSpelling:=True)>
Public Shared Function AVIFileGetStream(
    pfile As IntPtr,   ' IAVIFile*
    ppavi As IntPtr,   ' IAVIStream** out
    fccType As UInteger,   ' DWORD
    lParam As Integer   ' INT
) As Integer
End Function

' pfile : IAVIFile*
' ppavi : IAVIStream** out
' fccType : DWORD
' lParam : INT
Declare PtrSafe Function AVIFileGetStream Lib "avifil32" ( _
    ByVal pfile As LongPtr, _
    ByVal ppavi As LongPtr, _
    ByVal fccType As Long, _
    ByVal lParam 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

AVIFileGetStream = ctypes.windll.avifil32.AVIFileGetStream
AVIFileGetStream.restype = ctypes.c_int
AVIFileGetStream.argtypes = [
    ctypes.c_void_p,  # pfile : IAVIFile*
    ctypes.c_void_p,  # ppavi : IAVIStream** out
    wintypes.DWORD,  # fccType : DWORD
    ctypes.c_int,  # lParam : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('AVIFIL32.dll')
AVIFileGetStream = Fiddle::Function.new(
  lib['AVIFileGetStream'],
  [
    Fiddle::TYPE_VOIDP,  # pfile : IAVIFile*
    Fiddle::TYPE_VOIDP,  # ppavi : IAVIStream** out
    -Fiddle::TYPE_INT,  # fccType : DWORD
    Fiddle::TYPE_INT,  # lParam : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "avifil32")]
extern "system" {
    fn AVIFileGetStream(
        pfile: *mut core::ffi::c_void,  // IAVIFile*
        ppavi: *mut *mut core::ffi::c_void,  // IAVIStream** out
        fccType: u32,  // DWORD
        lParam: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("AVIFIL32.dll")]
public static extern int AVIFileGetStream(IntPtr pfile, IntPtr ppavi, uint fccType, int lParam);
"@
$api = Add-Type -MemberDefinition $sig -Name 'AVIFIL32_AVIFileGetStream' -Namespace Win32 -PassThru
# $api::AVIFileGetStream(pfile, ppavi, fccType, lParam)

#uselib "AVIFIL32.dll"
#func global AVIFileGetStream "AVIFileGetStream" sptr, sptr, sptr, sptr
; AVIFileGetStream pfile, ppavi, fccType, lParam   ; 戻り値は stat
; pfile : IAVIFile* -> "sptr"
; ppavi : IAVIStream** out -> "sptr"
; fccType : DWORD -> "sptr"
; lParam : INT -> "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 "AVIFIL32.dll"
#cfunc global AVIFileGetStream "AVIFileGetStream" sptr, sptr, int, int
; res = AVIFileGetStream(pfile, ppavi, fccType, lParam)
; pfile : IAVIFile* -> "sptr"
; ppavi : IAVIStream** out -> "sptr"
; fccType : DWORD -> "int"
; lParam : INT -> "int"

; HRESULT AVIFileGetStream(IAVIFile* pfile, IAVIStream** ppavi, DWORD fccType, INT lParam)
#uselib "AVIFIL32.dll"
#cfunc global AVIFileGetStream "AVIFileGetStream" intptr, intptr, int, int
; res = AVIFileGetStream(pfile, ppavi, fccType, lParam)
; pfile : IAVIFile* -> "intptr"
; ppavi : IAVIStream** out -> "intptr"
; fccType : DWORD -> "int"
; lParam : INT -> "int"

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

var (
	avifil32 = windows.NewLazySystemDLL("AVIFIL32.dll")
	procAVIFileGetStream = avifil32.NewProc("AVIFileGetStream")
)

// pfile (IAVIFile*), ppavi (IAVIStream** out), fccType (DWORD), lParam (INT)
r1, _, err := procAVIFileGetStream.Call(
	uintptr(pfile),
	uintptr(ppavi),
	uintptr(fccType),
	uintptr(lParam),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function AVIFileGetStream(
  pfile: Pointer;   // IAVIFile*
  ppavi: Pointer;   // IAVIStream** out
  fccType: DWORD;   // DWORD
  lParam: Integer   // INT
): Integer; stdcall;
  external 'AVIFIL32.dll' name 'AVIFileGetStream';

result := DllCall("AVIFIL32\AVIFileGetStream"
    , "Ptr", pfile   ; IAVIFile*
    , "Ptr", ppavi   ; IAVIStream** out
    , "UInt", fccType   ; DWORD
    , "Int", lParam   ; INT
    , "Int")   ; return: HRESULT

●AVIFileGetStream(pfile, ppavi, fccType, lParam) = DLL("AVIFIL32.dll", "int AVIFileGetStream(void*, void*, dword, int)")
# 呼び出し: AVIFileGetStream(pfile, ppavi, fccType, lParam)
# pfile : IAVIFile* -> "void*"
# ppavi : IAVIStream** out -> "void*"
# fccType : DWORD -> "dword"
# lParam : INT -> "int"
# 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)。