SLGetServerStatus

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

HRESULT SLGetServerStatus(
    LPCWSTR pwszServerURL,
    LPCWSTR pwszAcquisitionType,
    LPCWSTR pwszProxyServer,   // optional
    WORD wProxyPort,   // optional
    HRESULT* phrStatus
);

<DllImport("slcext.dll", ExactSpelling:=True)>
Public Shared Function SLGetServerStatus(
    <MarshalAs(UnmanagedType.LPWStr)> pwszServerURL As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pwszAcquisitionType As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pwszProxyServer As String,   ' LPCWSTR optional
    wProxyPort As UShort,   ' WORD optional
    <Out> ByRef phrStatus As Integer   ' HRESULT* out
) As Integer
End Function

' pwszServerURL : LPCWSTR
' pwszAcquisitionType : LPCWSTR
' pwszProxyServer : LPCWSTR optional
' wProxyPort : WORD optional
' phrStatus : HRESULT* out
Declare PtrSafe Function SLGetServerStatus Lib "slcext" ( _
    ByVal pwszServerURL As LongPtr, _
    ByVal pwszAcquisitionType As LongPtr, _
    ByVal pwszProxyServer As LongPtr, _
    ByVal wProxyPort As Integer, _
    ByRef phrStatus 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

SLGetServerStatus = ctypes.windll.slcext.SLGetServerStatus
SLGetServerStatus.restype = ctypes.c_int
SLGetServerStatus.argtypes = [
    wintypes.LPCWSTR,  # pwszServerURL : LPCWSTR
    wintypes.LPCWSTR,  # pwszAcquisitionType : LPCWSTR
    wintypes.LPCWSTR,  # pwszProxyServer : LPCWSTR optional
    ctypes.c_ushort,  # wProxyPort : WORD optional
    ctypes.c_void_p,  # phrStatus : HRESULT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('slcext.dll')
SLGetServerStatus = Fiddle::Function.new(
  lib['SLGetServerStatus'],
  [
    Fiddle::TYPE_VOIDP,  # pwszServerURL : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pwszAcquisitionType : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pwszProxyServer : LPCWSTR optional
    -Fiddle::TYPE_SHORT,  # wProxyPort : WORD optional
    Fiddle::TYPE_VOIDP,  # phrStatus : HRESULT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "slcext")]
extern "system" {
    fn SLGetServerStatus(
        pwszServerURL: *const u16,  // LPCWSTR
        pwszAcquisitionType: *const u16,  // LPCWSTR
        pwszProxyServer: *const u16,  // LPCWSTR optional
        wProxyPort: u16,  // WORD optional
        phrStatus: *mut i32  // HRESULT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("slcext.dll")]
public static extern int SLGetServerStatus([MarshalAs(UnmanagedType.LPWStr)] string pwszServerURL, [MarshalAs(UnmanagedType.LPWStr)] string pwszAcquisitionType, [MarshalAs(UnmanagedType.LPWStr)] string pwszProxyServer, ushort wProxyPort, out int phrStatus);
"@
$api = Add-Type -MemberDefinition $sig -Name 'slcext_SLGetServerStatus' -Namespace Win32 -PassThru
# $api::SLGetServerStatus(pwszServerURL, pwszAcquisitionType, pwszProxyServer, wProxyPort, phrStatus)

#uselib "slcext.dll"
#func global SLGetServerStatus "SLGetServerStatus" sptr, sptr, sptr, sptr, sptr
; SLGetServerStatus pwszServerURL, pwszAcquisitionType, pwszProxyServer, wProxyPort, phrStatus   ; 戻り値は stat
; pwszServerURL : LPCWSTR -> "sptr"
; pwszAcquisitionType : LPCWSTR -> "sptr"
; pwszProxyServer : LPCWSTR optional -> "sptr"
; wProxyPort : WORD optional -> "sptr"
; phrStatus : HRESULT* 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 "slcext.dll"
#cfunc global SLGetServerStatus "SLGetServerStatus" wstr, wstr, wstr, int, int
; res = SLGetServerStatus(pwszServerURL, pwszAcquisitionType, pwszProxyServer, wProxyPort, phrStatus)
; pwszServerURL : LPCWSTR -> "wstr"
; pwszAcquisitionType : LPCWSTR -> "wstr"
; pwszProxyServer : LPCWSTR optional -> "wstr"
; wProxyPort : WORD optional -> "int"
; phrStatus : HRESULT* out -> "int"

; HRESULT SLGetServerStatus(LPCWSTR pwszServerURL, LPCWSTR pwszAcquisitionType, LPCWSTR pwszProxyServer, WORD wProxyPort, HRESULT* phrStatus)
#uselib "slcext.dll"
#cfunc global SLGetServerStatus "SLGetServerStatus" wstr, wstr, wstr, int, int
; res = SLGetServerStatus(pwszServerURL, pwszAcquisitionType, pwszProxyServer, wProxyPort, phrStatus)
; pwszServerURL : LPCWSTR -> "wstr"
; pwszAcquisitionType : LPCWSTR -> "wstr"
; pwszProxyServer : LPCWSTR optional -> "wstr"
; wProxyPort : WORD optional -> "int"
; phrStatus : HRESULT* out -> "int"

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

var (
	slcext = windows.NewLazySystemDLL("slcext.dll")
	procSLGetServerStatus = slcext.NewProc("SLGetServerStatus")
)

// pwszServerURL (LPCWSTR), pwszAcquisitionType (LPCWSTR), pwszProxyServer (LPCWSTR optional), wProxyPort (WORD optional), phrStatus (HRESULT* out)
r1, _, err := procSLGetServerStatus.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszServerURL))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszAcquisitionType))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszProxyServer))),
	uintptr(wProxyPort),
	uintptr(phrStatus),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SLGetServerStatus(
  pwszServerURL: PWideChar;   // LPCWSTR
  pwszAcquisitionType: PWideChar;   // LPCWSTR
  pwszProxyServer: PWideChar;   // LPCWSTR optional
  wProxyPort: Word;   // WORD optional
  phrStatus: Pointer   // HRESULT* out
): Integer; stdcall;
  external 'slcext.dll' name 'SLGetServerStatus';

result := DllCall("slcext\SLGetServerStatus"
    , "WStr", pwszServerURL   ; LPCWSTR
    , "WStr", pwszAcquisitionType   ; LPCWSTR
    , "WStr", pwszProxyServer   ; LPCWSTR optional
    , "UShort", wProxyPort   ; WORD optional
    , "Ptr", phrStatus   ; HRESULT* out
    , "Int")   ; return: HRESULT

●SLGetServerStatus(pwszServerURL, pwszAcquisitionType, pwszProxyServer, wProxyPort, phrStatus) = DLL("slcext.dll", "int SLGetServerStatus(char*, char*, char*, int, void*)")
# 呼び出し: SLGetServerStatus(pwszServerURL, pwszAcquisitionType, pwszProxyServer, wProxyPort, phrStatus)
# pwszServerURL : LPCWSTR -> "char*"
# pwszAcquisitionType : LPCWSTR -> "char*"
# pwszProxyServer : LPCWSTR optional -> "char*"
# wProxyPort : WORD optional -> "int"
# phrStatus : HRESULT* 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)。