NPOpenEnum

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

DWORD NPOpenEnum(
    DWORD dwScope,
    DWORD dwType,
    DWORD dwUsage,
    NETRESOURCEW* lpNetResource,   // optional
    HANDLE* lphEnum
);

<DllImport("davclnt.dll", ExactSpelling:=True)>
Public Shared Function NPOpenEnum(
    dwScope As UInteger,   ' DWORD
    dwType As UInteger,   ' DWORD
    dwUsage As UInteger,   ' DWORD
    lpNetResource As IntPtr,   ' NETRESOURCEW* optional
    lphEnum As IntPtr   ' HANDLE* out
) As UInteger
End Function

' dwScope : DWORD
' dwType : DWORD
' dwUsage : DWORD
' lpNetResource : NETRESOURCEW* optional
' lphEnum : HANDLE* out
Declare PtrSafe Function NPOpenEnum Lib "davclnt" ( _
    ByVal dwScope As Long, _
    ByVal dwType As Long, _
    ByVal dwUsage As Long, _
    ByVal lpNetResource As LongPtr, _
    ByVal lphEnum 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

NPOpenEnum = ctypes.windll.davclnt.NPOpenEnum
NPOpenEnum.restype = wintypes.DWORD
NPOpenEnum.argtypes = [
    wintypes.DWORD,  # dwScope : DWORD
    wintypes.DWORD,  # dwType : DWORD
    wintypes.DWORD,  # dwUsage : DWORD
    ctypes.c_void_p,  # lpNetResource : NETRESOURCEW* optional
    ctypes.c_void_p,  # lphEnum : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('davclnt.dll')
NPOpenEnum = Fiddle::Function.new(
  lib['NPOpenEnum'],
  [
    -Fiddle::TYPE_INT,  # dwScope : DWORD
    -Fiddle::TYPE_INT,  # dwType : DWORD
    -Fiddle::TYPE_INT,  # dwUsage : DWORD
    Fiddle::TYPE_VOIDP,  # lpNetResource : NETRESOURCEW* optional
    Fiddle::TYPE_VOIDP,  # lphEnum : HANDLE* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "davclnt")]
extern "system" {
    fn NPOpenEnum(
        dwScope: u32,  // DWORD
        dwType: u32,  // DWORD
        dwUsage: u32,  // DWORD
        lpNetResource: *mut NETRESOURCEW,  // NETRESOURCEW* optional
        lphEnum: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("davclnt.dll")]
public static extern uint NPOpenEnum(uint dwScope, uint dwType, uint dwUsage, IntPtr lpNetResource, IntPtr lphEnum);
"@
$api = Add-Type -MemberDefinition $sig -Name 'davclnt_NPOpenEnum' -Namespace Win32 -PassThru
# $api::NPOpenEnum(dwScope, dwType, dwUsage, lpNetResource, lphEnum)

#uselib "davclnt.dll"
#func global NPOpenEnum "NPOpenEnum" sptr, sptr, sptr, sptr, sptr
; NPOpenEnum dwScope, dwType, dwUsage, varptr(lpNetResource), lphEnum   ; 戻り値は stat
; dwScope : DWORD -> "sptr"
; dwType : DWORD -> "sptr"
; dwUsage : DWORD -> "sptr"
; lpNetResource : NETRESOURCEW* optional -> "sptr"
; lphEnum : 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 "davclnt.dll"
#cfunc global NPOpenEnum "NPOpenEnum" int, int, int, var, sptr
; res = NPOpenEnum(dwScope, dwType, dwUsage, lpNetResource, lphEnum)
; dwScope : DWORD -> "int"
; dwType : DWORD -> "int"
; dwUsage : DWORD -> "int"
; lpNetResource : NETRESOURCEW* optional -> "var"
; lphEnum : 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。

; DWORD NPOpenEnum(DWORD dwScope, DWORD dwType, DWORD dwUsage, NETRESOURCEW* lpNetResource, HANDLE* lphEnum)
#uselib "davclnt.dll"
#cfunc global NPOpenEnum "NPOpenEnum" int, int, int, var, intptr
; res = NPOpenEnum(dwScope, dwType, dwUsage, lpNetResource, lphEnum)
; dwScope : DWORD -> "int"
; dwType : DWORD -> "int"
; dwUsage : DWORD -> "int"
; lpNetResource : NETRESOURCEW* optional -> "var"
; lphEnum : 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 (
	davclnt = windows.NewLazySystemDLL("davclnt.dll")
	procNPOpenEnum = davclnt.NewProc("NPOpenEnum")
)

// dwScope (DWORD), dwType (DWORD), dwUsage (DWORD), lpNetResource (NETRESOURCEW* optional), lphEnum (HANDLE* out)
r1, _, err := procNPOpenEnum.Call(
	uintptr(dwScope),
	uintptr(dwType),
	uintptr(dwUsage),
	uintptr(lpNetResource),
	uintptr(lphEnum),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NPOpenEnum(
  dwScope: DWORD;   // DWORD
  dwType: DWORD;   // DWORD
  dwUsage: DWORD;   // DWORD
  lpNetResource: Pointer;   // NETRESOURCEW* optional
  lphEnum: Pointer   // HANDLE* out
): DWORD; stdcall;
  external 'davclnt.dll' name 'NPOpenEnum';

result := DllCall("davclnt\NPOpenEnum"
    , "UInt", dwScope   ; DWORD
    , "UInt", dwType   ; DWORD
    , "UInt", dwUsage   ; DWORD
    , "Ptr", lpNetResource   ; NETRESOURCEW* optional
    , "Ptr", lphEnum   ; HANDLE* out
    , "UInt")   ; return: DWORD

●NPOpenEnum(dwScope, dwType, dwUsage, lpNetResource, lphEnum) = DLL("davclnt.dll", "dword NPOpenEnum(dword, dword, dword, void*, void*)")
# 呼び出し: NPOpenEnum(dwScope, dwType, dwUsage, lpNetResource, lphEnum)
# dwScope : DWORD -> "dword"
# dwType : DWORD -> "dword"
# dwUsage : DWORD -> "dword"
# lpNetResource : NETRESOURCEW* optional -> "void*"
# lphEnum : 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)。