NetUseGetInfo

// NETAPI32.dll
#include <windows.h>

DWORD NetUseGetInfo(
    LPWSTR UncServerName,   // optional
    LPWSTR UseName,
    DWORD LevelFlags,
    BYTE** bufptr   // optional
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function NetUseGetInfo(
    <MarshalAs(UnmanagedType.LPWStr)> UncServerName As String,   ' LPWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> UseName As String,   ' LPWSTR
    LevelFlags As UInteger,   ' DWORD
    bufptr As IntPtr   ' BYTE** optional, out
) As UInteger
End Function

' UncServerName : LPWSTR optional
' UseName : LPWSTR
' LevelFlags : DWORD
' bufptr : BYTE** optional, out
Declare PtrSafe Function NetUseGetInfo Lib "netapi32" ( _
    ByVal UncServerName As LongPtr, _
    ByVal UseName As LongPtr, _
    ByVal LevelFlags As Long, _
    ByVal bufptr 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

NetUseGetInfo = ctypes.windll.netapi32.NetUseGetInfo
NetUseGetInfo.restype = wintypes.DWORD
NetUseGetInfo.argtypes = [
    wintypes.LPCWSTR,  # UncServerName : LPWSTR optional
    wintypes.LPCWSTR,  # UseName : LPWSTR
    wintypes.DWORD,  # LevelFlags : DWORD
    ctypes.c_void_p,  # bufptr : BYTE** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
NetUseGetInfo = Fiddle::Function.new(
  lib['NetUseGetInfo'],
  [
    Fiddle::TYPE_VOIDP,  # UncServerName : LPWSTR optional
    Fiddle::TYPE_VOIDP,  # UseName : LPWSTR
    -Fiddle::TYPE_INT,  # LevelFlags : DWORD
    Fiddle::TYPE_VOIDP,  # bufptr : BYTE** optional, out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn NetUseGetInfo(
        UncServerName: *mut u16,  // LPWSTR optional
        UseName: *mut u16,  // LPWSTR
        LevelFlags: u32,  // DWORD
        bufptr: *mut *mut u8  // BYTE** optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint NetUseGetInfo([MarshalAs(UnmanagedType.LPWStr)] string UncServerName, [MarshalAs(UnmanagedType.LPWStr)] string UseName, uint LevelFlags, IntPtr bufptr);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_NetUseGetInfo' -Namespace Win32 -PassThru
# $api::NetUseGetInfo(UncServerName, UseName, LevelFlags, bufptr)

#uselib "NETAPI32.dll"
#func global NetUseGetInfo "NetUseGetInfo" sptr, sptr, sptr, sptr
; NetUseGetInfo UncServerName, UseName, LevelFlags, varptr(bufptr)   ; 戻り値は stat
; UncServerName : LPWSTR optional -> "sptr"
; UseName : LPWSTR -> "sptr"
; LevelFlags : DWORD -> "sptr"
; bufptr : BYTE** optional, 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 "NETAPI32.dll"
#cfunc global NetUseGetInfo "NetUseGetInfo" wstr, wstr, int, var
; res = NetUseGetInfo(UncServerName, UseName, LevelFlags, bufptr)
; UncServerName : LPWSTR optional -> "wstr"
; UseName : LPWSTR -> "wstr"
; LevelFlags : DWORD -> "int"
; bufptr : BYTE** optional, 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 NetUseGetInfo(LPWSTR UncServerName, LPWSTR UseName, DWORD LevelFlags, BYTE** bufptr)
#uselib "NETAPI32.dll"
#cfunc global NetUseGetInfo "NetUseGetInfo" wstr, wstr, int, var
; res = NetUseGetInfo(UncServerName, UseName, LevelFlags, bufptr)
; UncServerName : LPWSTR optional -> "wstr"
; UseName : LPWSTR -> "wstr"
; LevelFlags : DWORD -> "int"
; bufptr : BYTE** optional, 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 (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procNetUseGetInfo = netapi32.NewProc("NetUseGetInfo")
)

// UncServerName (LPWSTR optional), UseName (LPWSTR), LevelFlags (DWORD), bufptr (BYTE** optional, out)
r1, _, err := procNetUseGetInfo.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(UncServerName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(UseName))),
	uintptr(LevelFlags),
	uintptr(bufptr),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function NetUseGetInfo(
  UncServerName: PWideChar;   // LPWSTR optional
  UseName: PWideChar;   // LPWSTR
  LevelFlags: DWORD;   // DWORD
  bufptr: Pointer   // BYTE** optional, out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'NetUseGetInfo';

result := DllCall("NETAPI32\NetUseGetInfo"
    , "WStr", UncServerName   ; LPWSTR optional
    , "WStr", UseName   ; LPWSTR
    , "UInt", LevelFlags   ; DWORD
    , "Ptr", bufptr   ; BYTE** optional, out
    , "UInt")   ; return: DWORD

●NetUseGetInfo(UncServerName, UseName, LevelFlags, bufptr) = DLL("NETAPI32.dll", "dword NetUseGetInfo(char*, char*, dword, void*)")
# 呼び出し: NetUseGetInfo(UncServerName, UseName, LevelFlags, bufptr)
# UncServerName : LPWSTR optional -> "char*"
# UseName : LPWSTR -> "char*"
# LevelFlags : DWORD -> "dword"
# bufptr : BYTE** optional, 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)。