WNetGetResourceInformationA

// MPR.dll  (ANSI / -A)
#include <windows.h>

WIN32_ERROR WNetGetResourceInformationA(
    NETRESOURCEA* lpNetResource,
    void* lpBuffer,
    DWORD* lpcbBuffer,
    LPSTR* lplpSystem
);

<DllImport("MPR.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function WNetGetResourceInformationA(
    lpNetResource As IntPtr,   ' NETRESOURCEA*
    lpBuffer As IntPtr,   ' void* out
    ByRef lpcbBuffer As UInteger,   ' DWORD* in/out
    lplpSystem As IntPtr   ' LPSTR* out
) As UInteger
End Function

' lpNetResource : NETRESOURCEA*
' lpBuffer : void* out
' lpcbBuffer : DWORD* in/out
' lplpSystem : LPSTR* out
Declare PtrSafe Function WNetGetResourceInformationA Lib "mpr" ( _
    ByVal lpNetResource As LongPtr, _
    ByVal lpBuffer As LongPtr, _
    ByRef lpcbBuffer As Long, _
    ByVal lplpSystem 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

WNetGetResourceInformationA = ctypes.windll.mpr.WNetGetResourceInformationA
WNetGetResourceInformationA.restype = wintypes.DWORD
WNetGetResourceInformationA.argtypes = [
    ctypes.c_void_p,  # lpNetResource : NETRESOURCEA*
    ctypes.POINTER(None),  # lpBuffer : void* out
    ctypes.POINTER(wintypes.DWORD),  # lpcbBuffer : DWORD* in/out
    ctypes.c_void_p,  # lplpSystem : LPSTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MPR.dll')
WNetGetResourceInformationA = Fiddle::Function.new(
  lib['WNetGetResourceInformationA'],
  [
    Fiddle::TYPE_VOIDP,  # lpNetResource : NETRESOURCEA*
    Fiddle::TYPE_VOIDP,  # lpBuffer : void* out
    Fiddle::TYPE_VOIDP,  # lpcbBuffer : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # lplpSystem : LPSTR* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "mpr")]
extern "system" {
    fn WNetGetResourceInformationA(
        lpNetResource: *mut NETRESOURCEA,  // NETRESOURCEA*
        lpBuffer: *mut (),  // void* out
        lpcbBuffer: *mut u32,  // DWORD* in/out
        lplpSystem: *mut *mut u8  // LPSTR* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MPR.dll", CharSet = CharSet.Ansi)]
public static extern uint WNetGetResourceInformationA(IntPtr lpNetResource, IntPtr lpBuffer, ref uint lpcbBuffer, IntPtr lplpSystem);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MPR_WNetGetResourceInformationA' -Namespace Win32 -PassThru
# $api::WNetGetResourceInformationA(lpNetResource, lpBuffer, lpcbBuffer, lplpSystem)

#uselib "MPR.dll"
#func global WNetGetResourceInformationA "WNetGetResourceInformationA" sptr, sptr, sptr, sptr
; WNetGetResourceInformationA varptr(lpNetResource), lpBuffer, varptr(lpcbBuffer), varptr(lplpSystem)   ; 戻り値は stat
; lpNetResource : NETRESOURCEA* -> "sptr"
; lpBuffer : void* out -> "sptr"
; lpcbBuffer : DWORD* in/out -> "sptr"
; lplpSystem : LPSTR* 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 "MPR.dll"
#cfunc global WNetGetResourceInformationA "WNetGetResourceInformationA" var, sptr, var, var
; res = WNetGetResourceInformationA(lpNetResource, lpBuffer, lpcbBuffer, lplpSystem)
; lpNetResource : NETRESOURCEA* -> "var"
; lpBuffer : void* out -> "sptr"
; lpcbBuffer : DWORD* in/out -> "var"
; lplpSystem : LPSTR* 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。

; WIN32_ERROR WNetGetResourceInformationA(NETRESOURCEA* lpNetResource, void* lpBuffer, DWORD* lpcbBuffer, LPSTR* lplpSystem)
#uselib "MPR.dll"
#cfunc global WNetGetResourceInformationA "WNetGetResourceInformationA" var, intptr, var, var
; res = WNetGetResourceInformationA(lpNetResource, lpBuffer, lpcbBuffer, lplpSystem)
; lpNetResource : NETRESOURCEA* -> "var"
; lpBuffer : void* out -> "intptr"
; lpcbBuffer : DWORD* in/out -> "var"
; lplpSystem : LPSTR* 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 (
	mpr = windows.NewLazySystemDLL("MPR.dll")
	procWNetGetResourceInformationA = mpr.NewProc("WNetGetResourceInformationA")
)

// lpNetResource (NETRESOURCEA*), lpBuffer (void* out), lpcbBuffer (DWORD* in/out), lplpSystem (LPSTR* out)
r1, _, err := procWNetGetResourceInformationA.Call(
	uintptr(lpNetResource),
	uintptr(lpBuffer),
	uintptr(lpcbBuffer),
	uintptr(lplpSystem),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function WNetGetResourceInformationA(
  lpNetResource: Pointer;   // NETRESOURCEA*
  lpBuffer: Pointer;   // void* out
  lpcbBuffer: Pointer;   // DWORD* in/out
  lplpSystem: PPAnsiChar   // LPSTR* out
): DWORD; stdcall;
  external 'MPR.dll' name 'WNetGetResourceInformationA';

result := DllCall("MPR\WNetGetResourceInformationA"
    , "Ptr", lpNetResource   ; NETRESOURCEA*
    , "Ptr", lpBuffer   ; void* out
    , "Ptr", lpcbBuffer   ; DWORD* in/out
    , "Ptr", lplpSystem   ; LPSTR* out
    , "UInt")   ; return: WIN32_ERROR

●WNetGetResourceInformationA(lpNetResource, lpBuffer, lpcbBuffer, lplpSystem) = DLL("MPR.dll", "dword WNetGetResourceInformationA(void*, void*, void*, void*)")
# 呼び出し: WNetGetResourceInformationA(lpNetResource, lpBuffer, lpcbBuffer, lplpSystem)
# lpNetResource : NETRESOURCEA* -> "void*"
# lpBuffer : void* out -> "void*"
# lpcbBuffer : DWORD* in/out -> "void*"
# lplpSystem : LPSTR* 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)。