AVIFileAddRef

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

DWORD AVIFileAddRef(
    IAVIFile* pfile
);

<DllImport("AVIFIL32.dll", ExactSpelling:=True)>
Public Shared Function AVIFileAddRef(
    pfile As IntPtr   ' IAVIFile*
) As UInteger
End Function

' pfile : IAVIFile*
Declare PtrSafe Function AVIFileAddRef Lib "avifil32" ( _
    ByVal pfile 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

AVIFileAddRef = ctypes.windll.avifil32.AVIFileAddRef
AVIFileAddRef.restype = wintypes.DWORD
AVIFileAddRef.argtypes = [
    ctypes.c_void_p,  # pfile : IAVIFile*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('AVIFIL32.dll')
AVIFileAddRef = Fiddle::Function.new(
  lib['AVIFileAddRef'],
  [
    Fiddle::TYPE_VOIDP,  # pfile : IAVIFile*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "avifil32")]
extern "system" {
    fn AVIFileAddRef(
        pfile: *mut core::ffi::c_void  // IAVIFile*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("AVIFIL32.dll")]
public static extern uint AVIFileAddRef(IntPtr pfile);
"@
$api = Add-Type -MemberDefinition $sig -Name 'AVIFIL32_AVIFileAddRef' -Namespace Win32 -PassThru
# $api::AVIFileAddRef(pfile)

#uselib "AVIFIL32.dll"
#func global AVIFileAddRef "AVIFileAddRef" sptr
; AVIFileAddRef pfile   ; 戻り値は stat
; pfile : IAVIFile* -> "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 AVIFileAddRef "AVIFileAddRef" sptr
; res = AVIFileAddRef(pfile)
; pfile : IAVIFile* -> "sptr"

; DWORD AVIFileAddRef(IAVIFile* pfile)
#uselib "AVIFIL32.dll"
#cfunc global AVIFileAddRef "AVIFileAddRef" intptr
; res = AVIFileAddRef(pfile)
; pfile : IAVIFile* -> "intptr"

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

var (
	avifil32 = windows.NewLazySystemDLL("AVIFIL32.dll")
	procAVIFileAddRef = avifil32.NewProc("AVIFileAddRef")
)

// pfile (IAVIFile*)
r1, _, err := procAVIFileAddRef.Call(
	uintptr(pfile),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function AVIFileAddRef(
  pfile: Pointer   // IAVIFile*
): DWORD; stdcall;
  external 'AVIFIL32.dll' name 'AVIFileAddRef';

result := DllCall("AVIFIL32\AVIFileAddRef"
    , "Ptr", pfile   ; IAVIFile*
    , "UInt")   ; return: DWORD

●AVIFileAddRef(pfile) = DLL("AVIFIL32.dll", "dword AVIFileAddRef(void*)")
# 呼び出し: AVIFileAddRef(pfile)
# pfile : IAVIFile* -> "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)。