NPGetConnection3

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

DWORD NPGetConnection3(
    LPCWSTR lpLocalName,
    DWORD dwLevel,
    void* lpBuffer,
    DWORD* lpBufferSize
);

<DllImport("NTLANMAN.dll", ExactSpelling:=True)>
Public Shared Function NPGetConnection3(
    <MarshalAs(UnmanagedType.LPWStr)> lpLocalName As String,   ' LPCWSTR
    dwLevel As UInteger,   ' DWORD
    lpBuffer As IntPtr,   ' void* out
    ByRef lpBufferSize As UInteger   ' DWORD* in/out
) As UInteger
End Function

' lpLocalName : LPCWSTR
' dwLevel : DWORD
' lpBuffer : void* out
' lpBufferSize : DWORD* in/out
Declare PtrSafe Function NPGetConnection3 Lib "ntlanman" ( _
    ByVal lpLocalName As LongPtr, _
    ByVal dwLevel As Long, _
    ByVal lpBuffer As LongPtr, _
    ByRef lpBufferSize 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

NPGetConnection3 = ctypes.windll.ntlanman.NPGetConnection3
NPGetConnection3.restype = wintypes.DWORD
NPGetConnection3.argtypes = [
    wintypes.LPCWSTR,  # lpLocalName : LPCWSTR
    wintypes.DWORD,  # dwLevel : DWORD
    ctypes.POINTER(None),  # lpBuffer : void* out
    ctypes.POINTER(wintypes.DWORD),  # lpBufferSize : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NTLANMAN.dll')
NPGetConnection3 = Fiddle::Function.new(
  lib['NPGetConnection3'],
  [
    Fiddle::TYPE_VOIDP,  # lpLocalName : LPCWSTR
    -Fiddle::TYPE_INT,  # dwLevel : DWORD
    Fiddle::TYPE_VOIDP,  # lpBuffer : void* out
    Fiddle::TYPE_VOIDP,  # lpBufferSize : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "ntlanman")]
extern "system" {
    fn NPGetConnection3(
        lpLocalName: *const u16,  // LPCWSTR
        dwLevel: u32,  // DWORD
        lpBuffer: *mut (),  // void* out
        lpBufferSize: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NTLANMAN.dll")]
public static extern uint NPGetConnection3([MarshalAs(UnmanagedType.LPWStr)] string lpLocalName, uint dwLevel, IntPtr lpBuffer, ref uint lpBufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NTLANMAN_NPGetConnection3' -Namespace Win32 -PassThru
# $api::NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize)

#uselib "NTLANMAN.dll"
#func global NPGetConnection3 "NPGetConnection3" sptr, sptr, sptr, sptr
; NPGetConnection3 lpLocalName, dwLevel, lpBuffer, varptr(lpBufferSize)   ; 戻り値は stat
; lpLocalName : LPCWSTR -> "sptr"
; dwLevel : DWORD -> "sptr"
; lpBuffer : void* out -> "sptr"
; lpBufferSize : DWORD* in/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 "NTLANMAN.dll"
#cfunc global NPGetConnection3 "NPGetConnection3" wstr, int, sptr, var
; res = NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize)
; lpLocalName : LPCWSTR -> "wstr"
; dwLevel : DWORD -> "int"
; lpBuffer : void* out -> "sptr"
; lpBufferSize : DWORD* in/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。

; DWORD NPGetConnection3(LPCWSTR lpLocalName, DWORD dwLevel, void* lpBuffer, DWORD* lpBufferSize)
#uselib "NTLANMAN.dll"
#cfunc global NPGetConnection3 "NPGetConnection3" wstr, int, intptr, var
; res = NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize)
; lpLocalName : LPCWSTR -> "wstr"
; dwLevel : DWORD -> "int"
; lpBuffer : void* out -> "intptr"
; lpBufferSize : DWORD* in/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 (
	ntlanman = windows.NewLazySystemDLL("NTLANMAN.dll")
	procNPGetConnection3 = ntlanman.NewProc("NPGetConnection3")
)

// lpLocalName (LPCWSTR), dwLevel (DWORD), lpBuffer (void* out), lpBufferSize (DWORD* in/out)
r1, _, err := procNPGetConnection3.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpLocalName))),
	uintptr(dwLevel),
	uintptr(lpBuffer),
	uintptr(lpBufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NPGetConnection3(
  lpLocalName: PWideChar;   // LPCWSTR
  dwLevel: DWORD;   // DWORD
  lpBuffer: Pointer;   // void* out
  lpBufferSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'NTLANMAN.dll' name 'NPGetConnection3';

result := DllCall("NTLANMAN\NPGetConnection3"
    , "WStr", lpLocalName   ; LPCWSTR
    , "UInt", dwLevel   ; DWORD
    , "Ptr", lpBuffer   ; void* out
    , "Ptr", lpBufferSize   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize) = DLL("NTLANMAN.dll", "dword NPGetConnection3(char*, dword, void*, void*)")
# 呼び出し: NPGetConnection3(lpLocalName, dwLevel, lpBuffer, lpBufferSize)
# lpLocalName : LPCWSTR -> "char*"
# dwLevel : DWORD -> "dword"
# lpBuffer : void* out -> "void*"
# lpBufferSize : DWORD* in/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)。