FilterConnectCommunicationPort

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

HRESULT FilterConnectCommunicationPort(
    LPCWSTR lpPortName,
    DWORD dwOptions,
    const void* lpContext,   // optional
    WORD wSizeOfContext,
    SECURITY_ATTRIBUTES* lpSecurityAttributes,   // optional
    HANDLE* hPort
);

<DllImport("FLTLIB.dll", ExactSpelling:=True)>
Public Shared Function FilterConnectCommunicationPort(
    <MarshalAs(UnmanagedType.LPWStr)> lpPortName As String,   ' LPCWSTR
    dwOptions As UInteger,   ' DWORD
    lpContext As IntPtr,   ' void* optional
    wSizeOfContext As UShort,   ' WORD
    lpSecurityAttributes As IntPtr,   ' SECURITY_ATTRIBUTES* optional
    hPort As IntPtr   ' HANDLE* out
) As Integer
End Function

' lpPortName : LPCWSTR
' dwOptions : DWORD
' lpContext : void* optional
' wSizeOfContext : WORD
' lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
' hPort : HANDLE* out
Declare PtrSafe Function FilterConnectCommunicationPort Lib "fltlib" ( _
    ByVal lpPortName As LongPtr, _
    ByVal dwOptions As Long, _
    ByVal lpContext As LongPtr, _
    ByVal wSizeOfContext As Integer, _
    ByVal lpSecurityAttributes As LongPtr, _
    ByVal hPort 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

FilterConnectCommunicationPort = ctypes.windll.fltlib.FilterConnectCommunicationPort
FilterConnectCommunicationPort.restype = ctypes.c_int
FilterConnectCommunicationPort.argtypes = [
    wintypes.LPCWSTR,  # lpPortName : LPCWSTR
    wintypes.DWORD,  # dwOptions : DWORD
    ctypes.POINTER(None),  # lpContext : void* optional
    ctypes.c_ushort,  # wSizeOfContext : WORD
    ctypes.c_void_p,  # lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
    ctypes.c_void_p,  # hPort : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('FLTLIB.dll')
FilterConnectCommunicationPort = Fiddle::Function.new(
  lib['FilterConnectCommunicationPort'],
  [
    Fiddle::TYPE_VOIDP,  # lpPortName : LPCWSTR
    -Fiddle::TYPE_INT,  # dwOptions : DWORD
    Fiddle::TYPE_VOIDP,  # lpContext : void* optional
    -Fiddle::TYPE_SHORT,  # wSizeOfContext : WORD
    Fiddle::TYPE_VOIDP,  # lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
    Fiddle::TYPE_VOIDP,  # hPort : HANDLE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "fltlib")]
extern "system" {
    fn FilterConnectCommunicationPort(
        lpPortName: *const u16,  // LPCWSTR
        dwOptions: u32,  // DWORD
        lpContext: *const (),  // void* optional
        wSizeOfContext: u16,  // WORD
        lpSecurityAttributes: *mut SECURITY_ATTRIBUTES,  // SECURITY_ATTRIBUTES* optional
        hPort: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("FLTLIB.dll")]
public static extern int FilterConnectCommunicationPort([MarshalAs(UnmanagedType.LPWStr)] string lpPortName, uint dwOptions, IntPtr lpContext, ushort wSizeOfContext, IntPtr lpSecurityAttributes, IntPtr hPort);
"@
$api = Add-Type -MemberDefinition $sig -Name 'FLTLIB_FilterConnectCommunicationPort' -Namespace Win32 -PassThru
# $api::FilterConnectCommunicationPort(lpPortName, dwOptions, lpContext, wSizeOfContext, lpSecurityAttributes, hPort)

#uselib "FLTLIB.dll"
#func global FilterConnectCommunicationPort "FilterConnectCommunicationPort" sptr, sptr, sptr, sptr, sptr, sptr
; FilterConnectCommunicationPort lpPortName, dwOptions, lpContext, wSizeOfContext, varptr(lpSecurityAttributes), hPort   ; 戻り値は stat
; lpPortName : LPCWSTR -> "sptr"
; dwOptions : DWORD -> "sptr"
; lpContext : void* optional -> "sptr"
; wSizeOfContext : WORD -> "sptr"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "sptr"
; hPort : HANDLE* 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 "FLTLIB.dll"
#cfunc global FilterConnectCommunicationPort "FilterConnectCommunicationPort" wstr, int, sptr, int, var, sptr
; res = FilterConnectCommunicationPort(lpPortName, dwOptions, lpContext, wSizeOfContext, lpSecurityAttributes, hPort)
; lpPortName : LPCWSTR -> "wstr"
; dwOptions : DWORD -> "int"
; lpContext : void* optional -> "sptr"
; wSizeOfContext : WORD -> "int"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "var"
; hPort : HANDLE* out -> "sptr"
; ※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 FilterConnectCommunicationPort(LPCWSTR lpPortName, DWORD dwOptions, void* lpContext, WORD wSizeOfContext, SECURITY_ATTRIBUTES* lpSecurityAttributes, HANDLE* hPort)
#uselib "FLTLIB.dll"
#cfunc global FilterConnectCommunicationPort "FilterConnectCommunicationPort" wstr, int, intptr, int, var, intptr
; res = FilterConnectCommunicationPort(lpPortName, dwOptions, lpContext, wSizeOfContext, lpSecurityAttributes, hPort)
; lpPortName : LPCWSTR -> "wstr"
; dwOptions : DWORD -> "int"
; lpContext : void* optional -> "intptr"
; wSizeOfContext : WORD -> "int"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "var"
; hPort : HANDLE* out -> "intptr"
; ※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 (
	fltlib = windows.NewLazySystemDLL("FLTLIB.dll")
	procFilterConnectCommunicationPort = fltlib.NewProc("FilterConnectCommunicationPort")
)

// lpPortName (LPCWSTR), dwOptions (DWORD), lpContext (void* optional), wSizeOfContext (WORD), lpSecurityAttributes (SECURITY_ATTRIBUTES* optional), hPort (HANDLE* out)
r1, _, err := procFilterConnectCommunicationPort.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpPortName))),
	uintptr(dwOptions),
	uintptr(lpContext),
	uintptr(wSizeOfContext),
	uintptr(lpSecurityAttributes),
	uintptr(hPort),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function FilterConnectCommunicationPort(
  lpPortName: PWideChar;   // LPCWSTR
  dwOptions: DWORD;   // DWORD
  lpContext: Pointer;   // void* optional
  wSizeOfContext: Word;   // WORD
  lpSecurityAttributes: Pointer;   // SECURITY_ATTRIBUTES* optional
  hPort: Pointer   // HANDLE* out
): Integer; stdcall;
  external 'FLTLIB.dll' name 'FilterConnectCommunicationPort';

result := DllCall("FLTLIB\FilterConnectCommunicationPort"
    , "WStr", lpPortName   ; LPCWSTR
    , "UInt", dwOptions   ; DWORD
    , "Ptr", lpContext   ; void* optional
    , "UShort", wSizeOfContext   ; WORD
    , "Ptr", lpSecurityAttributes   ; SECURITY_ATTRIBUTES* optional
    , "Ptr", hPort   ; HANDLE* out
    , "Int")   ; return: HRESULT

●FilterConnectCommunicationPort(lpPortName, dwOptions, lpContext, wSizeOfContext, lpSecurityAttributes, hPort) = DLL("FLTLIB.dll", "int FilterConnectCommunicationPort(char*, dword, void*, int, void*, void*)")
# 呼び出し: FilterConnectCommunicationPort(lpPortName, dwOptions, lpContext, wSizeOfContext, lpSecurityAttributes, hPort)
# lpPortName : LPCWSTR -> "char*"
# dwOptions : DWORD -> "dword"
# lpContext : void* optional -> "void*"
# wSizeOfContext : WORD -> "int"
# lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "void*"
# hPort : HANDLE* 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)。