ScInitMapiUtil

// MAPI32.dll
#include <windows.h>

INT ScInitMapiUtil(
    DWORD ulFlags
);

<DllImport("MAPI32.dll", ExactSpelling:=True)>
Public Shared Function ScInitMapiUtil(
    ulFlags As UInteger   ' DWORD
) As Integer
End Function

' ulFlags : DWORD
Declare PtrSafe Function ScInitMapiUtil Lib "mapi32" ( _
    ByVal ulFlags 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

ScInitMapiUtil = ctypes.windll.mapi32.ScInitMapiUtil
ScInitMapiUtil.restype = ctypes.c_int
ScInitMapiUtil.argtypes = [
    wintypes.DWORD,  # ulFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MAPI32.dll')
ScInitMapiUtil = Fiddle::Function.new(
  lib['ScInitMapiUtil'],
  [
    -Fiddle::TYPE_INT,  # ulFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "mapi32")]
extern "system" {
    fn ScInitMapiUtil(
        ulFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MAPI32.dll")]
public static extern int ScInitMapiUtil(uint ulFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MAPI32_ScInitMapiUtil' -Namespace Win32 -PassThru
# $api::ScInitMapiUtil(ulFlags)

#uselib "MAPI32.dll"
#func global ScInitMapiUtil "ScInitMapiUtil" sptr
; ScInitMapiUtil ulFlags   ; 戻り値は stat
; ulFlags : DWORD -> "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 "MAPI32.dll"
#cfunc global ScInitMapiUtil "ScInitMapiUtil" int
; res = ScInitMapiUtil(ulFlags)
; ulFlags : DWORD -> "int"

; INT ScInitMapiUtil(DWORD ulFlags)
#uselib "MAPI32.dll"
#cfunc global ScInitMapiUtil "ScInitMapiUtil" int
; res = ScInitMapiUtil(ulFlags)
; ulFlags : DWORD -> "int"

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

var (
	mapi32 = windows.NewLazySystemDLL("MAPI32.dll")
	procScInitMapiUtil = mapi32.NewProc("ScInitMapiUtil")
)

// ulFlags (DWORD)
r1, _, err := procScInitMapiUtil.Call(
	uintptr(ulFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function ScInitMapiUtil(
  ulFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'MAPI32.dll' name 'ScInitMapiUtil';

result := DllCall("MAPI32\ScInitMapiUtil"
    , "UInt", ulFlags   ; DWORD
    , "Int")   ; return: INT

●ScInitMapiUtil(ulFlags) = DLL("MAPI32.dll", "int ScInitMapiUtil(dword)")
# 呼び出し: ScInitMapiUtil(ulFlags)
# ulFlags : DWORD -> "dword"
# 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)。