AVIStreamFindSample

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

INT AVIStreamFindSample(
    IAVIStream* pavi,
    INT lPos,
    INT lFlags
);

<DllImport("AVIFIL32.dll", ExactSpelling:=True)>
Public Shared Function AVIStreamFindSample(
    pavi As IntPtr,   ' IAVIStream*
    lPos As Integer,   ' INT
    lFlags As Integer   ' INT
) As Integer
End Function

' pavi : IAVIStream*
' lPos : INT
' lFlags : INT
Declare PtrSafe Function AVIStreamFindSample Lib "avifil32" ( _
    ByVal pavi As LongPtr, _
    ByVal lPos As Long, _
    ByVal lFlags 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

AVIStreamFindSample = ctypes.windll.avifil32.AVIStreamFindSample
AVIStreamFindSample.restype = ctypes.c_int
AVIStreamFindSample.argtypes = [
    ctypes.c_void_p,  # pavi : IAVIStream*
    ctypes.c_int,  # lPos : INT
    ctypes.c_int,  # lFlags : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('AVIFIL32.dll')
AVIStreamFindSample = Fiddle::Function.new(
  lib['AVIStreamFindSample'],
  [
    Fiddle::TYPE_VOIDP,  # pavi : IAVIStream*
    Fiddle::TYPE_INT,  # lPos : INT
    Fiddle::TYPE_INT,  # lFlags : INT
  ],
  Fiddle::TYPE_INT)

#[link(name = "avifil32")]
extern "system" {
    fn AVIStreamFindSample(
        pavi: *mut core::ffi::c_void,  // IAVIStream*
        lPos: i32,  // INT
        lFlags: i32  // INT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("AVIFIL32.dll")]
public static extern int AVIStreamFindSample(IntPtr pavi, int lPos, int lFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'AVIFIL32_AVIStreamFindSample' -Namespace Win32 -PassThru
# $api::AVIStreamFindSample(pavi, lPos, lFlags)

#uselib "AVIFIL32.dll"
#func global AVIStreamFindSample "AVIStreamFindSample" sptr, sptr, sptr
; AVIStreamFindSample pavi, lPos, lFlags   ; 戻り値は stat
; pavi : IAVIStream* -> "sptr"
; lPos : INT -> "sptr"
; lFlags : 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 AVIStreamFindSample "AVIStreamFindSample" sptr, int, int
; res = AVIStreamFindSample(pavi, lPos, lFlags)
; pavi : IAVIStream* -> "sptr"
; lPos : INT -> "int"
; lFlags : INT -> "int"

; INT AVIStreamFindSample(IAVIStream* pavi, INT lPos, INT lFlags)
#uselib "AVIFIL32.dll"
#cfunc global AVIStreamFindSample "AVIStreamFindSample" intptr, int, int
; res = AVIStreamFindSample(pavi, lPos, lFlags)
; pavi : IAVIStream* -> "intptr"
; lPos : INT -> "int"
; lFlags : INT -> "int"

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

var (
	avifil32 = windows.NewLazySystemDLL("AVIFIL32.dll")
	procAVIStreamFindSample = avifil32.NewProc("AVIStreamFindSample")
)

// pavi (IAVIStream*), lPos (INT), lFlags (INT)
r1, _, err := procAVIStreamFindSample.Call(
	uintptr(pavi),
	uintptr(lPos),
	uintptr(lFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function AVIStreamFindSample(
  pavi: Pointer;   // IAVIStream*
  lPos: Integer;   // INT
  lFlags: Integer   // INT
): Integer; stdcall;
  external 'AVIFIL32.dll' name 'AVIStreamFindSample';

result := DllCall("AVIFIL32\AVIStreamFindSample"
    , "Ptr", pavi   ; IAVIStream*
    , "Int", lPos   ; INT
    , "Int", lFlags   ; INT
    , "Int")   ; return: INT

●AVIStreamFindSample(pavi, lPos, lFlags) = DLL("AVIFIL32.dll", "int AVIStreamFindSample(void*, int, int)")
# 呼び出し: AVIStreamFindSample(pavi, lPos, lFlags)
# pavi : IAVIStream* -> "void*"
# lPos : INT -> "int"
# lFlags : 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)。