AVIBuildFilterA

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

HRESULT AVIBuildFilterA(
    LPSTR lpszFilter,
    INT cbFilter,
    BOOL fSaving
);

<DllImport("AVIFIL32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function AVIBuildFilterA(
    <MarshalAs(UnmanagedType.LPStr)> lpszFilter As System.Text.StringBuilder,   ' LPSTR out
    cbFilter As Integer,   ' INT
    fSaving As Boolean   ' BOOL
) As Integer
End Function

' lpszFilter : LPSTR out
' cbFilter : INT
' fSaving : BOOL
Declare PtrSafe Function AVIBuildFilterA Lib "avifil32" ( _
    ByVal lpszFilter As String, _
    ByVal cbFilter As Long, _
    ByVal fSaving 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

AVIBuildFilterA = ctypes.windll.avifil32.AVIBuildFilterA
AVIBuildFilterA.restype = ctypes.c_int
AVIBuildFilterA.argtypes = [
    wintypes.LPSTR,  # lpszFilter : LPSTR out
    ctypes.c_int,  # cbFilter : INT
    wintypes.BOOL,  # fSaving : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('AVIFIL32.dll')
AVIBuildFilterA = Fiddle::Function.new(
  lib['AVIBuildFilterA'],
  [
    Fiddle::TYPE_VOIDP,  # lpszFilter : LPSTR out
    Fiddle::TYPE_INT,  # cbFilter : INT
    Fiddle::TYPE_INT,  # fSaving : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "avifil32")]
extern "system" {
    fn AVIBuildFilterA(
        lpszFilter: *mut u8,  // LPSTR out
        cbFilter: i32,  // INT
        fSaving: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("AVIFIL32.dll", CharSet = CharSet.Ansi)]
public static extern int AVIBuildFilterA([MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpszFilter, int cbFilter, bool fSaving);
"@
$api = Add-Type -MemberDefinition $sig -Name 'AVIFIL32_AVIBuildFilterA' -Namespace Win32 -PassThru
# $api::AVIBuildFilterA(lpszFilter, cbFilter, fSaving)

#uselib "AVIFIL32.dll"
#func global AVIBuildFilterA "AVIBuildFilterA" sptr, sptr, sptr
; AVIBuildFilterA varptr(lpszFilter), cbFilter, fSaving   ; 戻り値は stat
; lpszFilter : LPSTR out -> "sptr"
; cbFilter : INT -> "sptr"
; fSaving : BOOL -> "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 AVIBuildFilterA "AVIBuildFilterA" var, int, int
; res = AVIBuildFilterA(lpszFilter, cbFilter, fSaving)
; lpszFilter : LPSTR out -> "var"
; cbFilter : INT -> "int"
; fSaving : BOOL -> "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 AVIBuildFilterA(LPSTR lpszFilter, INT cbFilter, BOOL fSaving)
#uselib "AVIFIL32.dll"
#cfunc global AVIBuildFilterA "AVIBuildFilterA" var, int, int
; res = AVIBuildFilterA(lpszFilter, cbFilter, fSaving)
; lpszFilter : LPSTR out -> "var"
; cbFilter : INT -> "int"
; fSaving : BOOL -> "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")
	procAVIBuildFilterA = avifil32.NewProc("AVIBuildFilterA")
)

// lpszFilter (LPSTR out), cbFilter (INT), fSaving (BOOL)
r1, _, err := procAVIBuildFilterA.Call(
	uintptr(lpszFilter),
	uintptr(cbFilter),
	uintptr(fSaving),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function AVIBuildFilterA(
  lpszFilter: PAnsiChar;   // LPSTR out
  cbFilter: Integer;   // INT
  fSaving: BOOL   // BOOL
): Integer; stdcall;
  external 'AVIFIL32.dll' name 'AVIBuildFilterA';

result := DllCall("AVIFIL32\AVIBuildFilterA"
    , "Ptr", lpszFilter   ; LPSTR out
    , "Int", cbFilter   ; INT
    , "Int", fSaving   ; BOOL
    , "Int")   ; return: HRESULT

●AVIBuildFilterA(lpszFilter, cbFilter, fSaving) = DLL("AVIFIL32.dll", "int AVIBuildFilterA(char*, int, bool)")
# 呼び出し: AVIBuildFilterA(lpszFilter, cbFilter, fSaving)
# lpszFilter : LPSTR out -> "char*"
# cbFilter : INT -> "int"
# fSaving : BOOL -> "bool"
# 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)。