MI_Application_InitializeV1

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

MI_Result MI_Application_InitializeV1(
    DWORD flags,
    const WORD* applicationID,   // optional
    MI_Instance** extendedError,   // optional
    MI_Application* application
);

<DllImport("mi.dll", ExactSpelling:=True, CallingConvention:=CallingConvention.Cdecl)>
Public Shared Function MI_Application_InitializeV1(
    flags As UInteger,   ' DWORD
    applicationID As IntPtr,   ' WORD* optional
    extendedError As IntPtr,   ' MI_Instance** optional, out
    application As IntPtr   ' MI_Application* out
) As Integer
End Function

' flags : DWORD
' applicationID : WORD* optional
' extendedError : MI_Instance** optional, out
' application : MI_Application* out
Declare PtrSafe Function MI_Application_InitializeV1 Lib "mi" ( _
    ByVal flags As Long, _
    ByVal applicationID As LongPtr, _
    ByVal extendedError As LongPtr, _
    ByVal application 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

MI_Application_InitializeV1 = ctypes.cdll.mi.MI_Application_InitializeV1
MI_Application_InitializeV1.restype = ctypes.c_int
MI_Application_InitializeV1.argtypes = [
    wintypes.DWORD,  # flags : DWORD
    ctypes.POINTER(ctypes.c_ushort),  # applicationID : WORD* optional
    ctypes.c_void_p,  # extendedError : MI_Instance** optional, out
    ctypes.c_void_p,  # application : MI_Application* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mi.dll')
MI_Application_InitializeV1 = Fiddle::Function.new(
  lib['MI_Application_InitializeV1'],
  [
    -Fiddle::TYPE_INT,  # flags : DWORD
    Fiddle::TYPE_VOIDP,  # applicationID : WORD* optional
    Fiddle::TYPE_VOIDP,  # extendedError : MI_Instance** optional, out
    Fiddle::TYPE_VOIDP,  # application : MI_Application* out
  ],
  Fiddle::TYPE_INT, Fiddle::Function::CDECL)

#[link(name = "mi")]
extern "C" {
    fn MI_Application_InitializeV1(
        flags: u32,  // DWORD
        applicationID: *const u16,  // WORD* optional
        extendedError: *mut *mut MI_Instance,  // MI_Instance** optional, out
        application: *mut MI_Application  // MI_Application* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("mi.dll", CallingConvention = CallingConvention.Cdecl)]
public static extern int MI_Application_InitializeV1(uint flags, IntPtr applicationID, IntPtr extendedError, IntPtr application);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mi_MI_Application_InitializeV1' -Namespace Win32 -PassThru
# $api::MI_Application_InitializeV1(flags, applicationID, extendedError, application)

#uselib "mi.dll"
#func global MI_Application_InitializeV1 "MI_Application_InitializeV1" sptr, sptr, sptr, sptr
; MI_Application_InitializeV1 flags, varptr(applicationID), varptr(extendedError), varptr(application)   ; 戻り値は stat
; flags : DWORD -> "sptr"
; applicationID : WORD* optional -> "sptr"
; extendedError : MI_Instance** optional, out -> "sptr"
; application : MI_Application* out -> "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 "mi.dll"
#cfunc global MI_Application_InitializeV1 "MI_Application_InitializeV1" int, var, var, var
; res = MI_Application_InitializeV1(flags, applicationID, extendedError, application)
; flags : DWORD -> "int"
; applicationID : WORD* optional -> "var"
; extendedError : MI_Instance** optional, out -> "var"
; application : MI_Application* out -> "var"
; ※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。

; MI_Result MI_Application_InitializeV1(DWORD flags, WORD* applicationID, MI_Instance** extendedError, MI_Application* application)
#uselib "mi.dll"
#cfunc global MI_Application_InitializeV1 "MI_Application_InitializeV1" int, var, var, var
; res = MI_Application_InitializeV1(flags, applicationID, extendedError, application)
; flags : DWORD -> "int"
; applicationID : WORD* optional -> "var"
; extendedError : MI_Instance** optional, out -> "var"
; application : MI_Application* out -> "var"
; ※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 (
	mi = windows.NewLazySystemDLL("mi.dll")
	procMI_Application_InitializeV1 = mi.NewProc("MI_Application_InitializeV1")
)

// flags (DWORD), applicationID (WORD* optional), extendedError (MI_Instance** optional, out), application (MI_Application* out)
r1, _, err := procMI_Application_InitializeV1.Call(
	uintptr(flags),
	uintptr(applicationID),
	uintptr(extendedError),
	uintptr(application),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // MI_Result

function MI_Application_InitializeV1(
  flags: DWORD;   // DWORD
  applicationID: Pointer;   // WORD* optional
  extendedError: Pointer;   // MI_Instance** optional, out
  application: Pointer   // MI_Application* out
): Integer; cdecl;
  external 'mi.dll' name 'MI_Application_InitializeV1';

result := DllCall("mi\MI_Application_InitializeV1"
    , "UInt", flags   ; DWORD
    , "Ptr", applicationID   ; WORD* optional
    , "Ptr", extendedError   ; MI_Instance** optional, out
    , "Ptr", application   ; MI_Application* out
    , "Cdecl Int")   ; return: MI_Result

●MI_Application_InitializeV1(flags, applicationID, extendedError, application) = DLL("mi.dll", "int MI_Application_InitializeV1(dword, void*, void*, void*)")
# 呼び出し: MI_Application_InitializeV1(flags, applicationID, extendedError, application)
# flags : DWORD -> "dword"
# applicationID : WORD* optional -> "void*"
# extendedError : MI_Instance** optional, out -> "void*"
# application : MI_Application* out -> "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)。
# ※cdecl関数。DLL()宣言はstdcall前提。cdeclは EXEC_PTR(`cdecl`,…) を使用。