AVIFileInfoA

// AVIFIL32.dll  (ANSI / -A)
#include <windows.h>

HRESULT AVIFileInfoA(
    IAVIFile* pfile,
    AVIFILEINFOA* pfi,
    INT lSize
);

<DllImport("AVIFIL32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function AVIFileInfoA(
    pfile As IntPtr,   ' IAVIFile*
    pfi As IntPtr,   ' AVIFILEINFOA* out
    lSize As Integer   ' INT
) As Integer
End Function

' pfile : IAVIFile*
' pfi : AVIFILEINFOA* out
' lSize : INT
Declare PtrSafe Function AVIFileInfoA Lib "avifil32" ( _
    ByVal pfile As LongPtr, _
    ByVal pfi As LongPtr, _
    ByVal lSize 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

AVIFileInfoA = ctypes.windll.avifil32.AVIFileInfoA
AVIFileInfoA.restype = ctypes.c_int
AVIFileInfoA.argtypes = [
    ctypes.c_void_p,  # pfile : IAVIFile*
    ctypes.c_void_p,  # pfi : AVIFILEINFOA* out
    ctypes.c_int,  # lSize : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('AVIFIL32.dll')
AVIFileInfoA = Fiddle::Function.new(
  lib['AVIFileInfoA'],
  [
    Fiddle::TYPE_VOIDP,  # pfile : IAVIFile*
    Fiddle::TYPE_VOIDP,  # pfi : AVIFILEINFOA* out
    Fiddle::TYPE_INT,  # lSize : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "avifil32")]
extern "system" {
    fn AVIFileInfoA(
        pfile: *mut core::ffi::c_void,  // IAVIFile*
        pfi: *mut AVIFILEINFOA,  // AVIFILEINFOA* out
        lSize: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("AVIFIL32.dll", CharSet = CharSet.Ansi)]
public static extern int AVIFileInfoA(IntPtr pfile, IntPtr pfi, int lSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'AVIFIL32_AVIFileInfoA' -Namespace Win32 -PassThru
# $api::AVIFileInfoA(pfile, pfi, lSize)

#uselib "AVIFIL32.dll"
#func global AVIFileInfoA "AVIFileInfoA" sptr, sptr, sptr
; AVIFileInfoA pfile, varptr(pfi), lSize   ; 戻り値は stat
; pfile : IAVIFile* -> "sptr"
; pfi : AVIFILEINFOA* out -> "sptr"
; lSize : 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 AVIFileInfoA "AVIFileInfoA" sptr, var, int
; res = AVIFileInfoA(pfile, pfi, lSize)
; pfile : IAVIFile* -> "sptr"
; pfi : AVIFILEINFOA* out -> "var"
; lSize : INT -> "int"
; ※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。

; HRESULT AVIFileInfoA(IAVIFile* pfile, AVIFILEINFOA* pfi, INT lSize)
#uselib "AVIFIL32.dll"
#cfunc global AVIFileInfoA "AVIFileInfoA" intptr, var, int
; res = AVIFileInfoA(pfile, pfi, lSize)
; pfile : IAVIFile* -> "intptr"
; pfi : AVIFILEINFOA* out -> "var"
; lSize : INT -> "int"
; ※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 (
	avifil32 = windows.NewLazySystemDLL("AVIFIL32.dll")
	procAVIFileInfoA = avifil32.NewProc("AVIFileInfoA")
)

// pfile (IAVIFile*), pfi (AVIFILEINFOA* out), lSize (INT)
r1, _, err := procAVIFileInfoA.Call(
	uintptr(pfile),
	uintptr(pfi),
	uintptr(lSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function AVIFileInfoA(
  pfile: Pointer;   // IAVIFile*
  pfi: Pointer;   // AVIFILEINFOA* out
  lSize: Integer   // INT
): Integer; stdcall;
  external 'AVIFIL32.dll' name 'AVIFileInfoA';

result := DllCall("AVIFIL32\AVIFileInfoA"
    , "Ptr", pfile   ; IAVIFile*
    , "Ptr", pfi   ; AVIFILEINFOA* out
    , "Int", lSize   ; INT
    , "Int")   ; return: HRESULT

●AVIFileInfoA(pfile, pfi, lSize) = DLL("AVIFIL32.dll", "int AVIFileInfoA(void*, void*, int)")
# 呼び出し: AVIFileInfoA(pfile, pfi, lSize)
# pfile : IAVIFile* -> "void*"
# pfi : AVIFILEINFOA* out -> "void*"
# lSize : 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)。