AllJoynConnectToBus

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

HANDLE AllJoynConnectToBus(
    LPCWSTR connectionSpec   // optional
);

<DllImport("MSAJApi.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function AllJoynConnectToBus(
    <MarshalAs(UnmanagedType.LPWStr)> connectionSpec As String   ' LPCWSTR optional
) As IntPtr
End Function

' connectionSpec : LPCWSTR optional
Declare PtrSafe Function AllJoynConnectToBus Lib "msajapi" ( _
    ByVal connectionSpec As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

AllJoynConnectToBus = ctypes.windll.msajapi.AllJoynConnectToBus
AllJoynConnectToBus.restype = ctypes.c_void_p
AllJoynConnectToBus.argtypes = [
    wintypes.LPCWSTR,  # connectionSpec : LPCWSTR optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MSAJApi.dll')
AllJoynConnectToBus = Fiddle::Function.new(
  lib['AllJoynConnectToBus'],
  [
    Fiddle::TYPE_VOIDP,  # connectionSpec : LPCWSTR optional
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "msajapi")]
extern "system" {
    fn AllJoynConnectToBus(
        connectionSpec: *const u16  // LPCWSTR optional
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MSAJApi.dll", SetLastError = true)]
public static extern IntPtr AllJoynConnectToBus([MarshalAs(UnmanagedType.LPWStr)] string connectionSpec);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MSAJApi_AllJoynConnectToBus' -Namespace Win32 -PassThru
# $api::AllJoynConnectToBus(connectionSpec)

#uselib "MSAJApi.dll"
#func global AllJoynConnectToBus "AllJoynConnectToBus" sptr
; AllJoynConnectToBus connectionSpec   ; 戻り値は stat
; connectionSpec : LPCWSTR optional -> "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 "MSAJApi.dll"
#cfunc global AllJoynConnectToBus "AllJoynConnectToBus" wstr
; res = AllJoynConnectToBus(connectionSpec)
; connectionSpec : LPCWSTR optional -> "wstr"

; HANDLE AllJoynConnectToBus(LPCWSTR connectionSpec)
#uselib "MSAJApi.dll"
#cfunc global AllJoynConnectToBus "AllJoynConnectToBus" wstr
; res = AllJoynConnectToBus(connectionSpec)
; connectionSpec : LPCWSTR optional -> "wstr"

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

var (
	msajapi = windows.NewLazySystemDLL("MSAJApi.dll")
	procAllJoynConnectToBus = msajapi.NewProc("AllJoynConnectToBus")
)

// connectionSpec (LPCWSTR optional)
r1, _, err := procAllJoynConnectToBus.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(connectionSpec))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function AllJoynConnectToBus(
  connectionSpec: PWideChar   // LPCWSTR optional
): THandle; stdcall;
  external 'MSAJApi.dll' name 'AllJoynConnectToBus';

result := DllCall("MSAJApi\AllJoynConnectToBus"
    , "WStr", connectionSpec   ; LPCWSTR optional
    , "Ptr")   ; return: HANDLE

●AllJoynConnectToBus(connectionSpec) = DLL("MSAJApi.dll", "void* AllJoynConnectToBus(char*)")
# 呼び出し: AllJoynConnectToBus(connectionSpec)
# connectionSpec : LPCWSTR optional -> "char*"
# 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)。