EngGetDriverName

// GDI32.dll
#include <windows.h>

LPWSTR EngGetDriverName(
    HDEV hdev
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function EngGetDriverName(
    hdev As IntPtr   ' HDEV
) As IntPtr
End Function

' hdev : HDEV
Declare PtrSafe Function EngGetDriverName Lib "gdi32" ( _
    ByVal hdev As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

EngGetDriverName = ctypes.windll.gdi32.EngGetDriverName
EngGetDriverName.restype = wintypes.LPWSTR
EngGetDriverName.argtypes = [
    wintypes.HANDLE,  # hdev : HDEV
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
EngGetDriverName = Fiddle::Function.new(
  lib['EngGetDriverName'],
  [
    Fiddle::TYPE_VOIDP,  # hdev : HDEV
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "gdi32")]
extern "system" {
    fn EngGetDriverName(
        hdev: *mut core::ffi::c_void  // HDEV
    ) -> *mut u16;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll")]
public static extern IntPtr EngGetDriverName(IntPtr hdev);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_EngGetDriverName' -Namespace Win32 -PassThru
# $api::EngGetDriverName(hdev)

#uselib "GDI32.dll"
#func global EngGetDriverName "EngGetDriverName" sptr
; EngGetDriverName hdev   ; 戻り値は stat
; hdev : HDEV -> "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 "GDI32.dll"
#cfunc global EngGetDriverName "EngGetDriverName" sptr
; res = EngGetDriverName(hdev)
; hdev : HDEV -> "sptr"

; LPWSTR EngGetDriverName(HDEV hdev)
#uselib "GDI32.dll"
#cfunc global EngGetDriverName "EngGetDriverName" intptr
; res = EngGetDriverName(hdev)
; hdev : HDEV -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procEngGetDriverName = gdi32.NewProc("EngGetDriverName")
)

// hdev (HDEV)
r1, _, err := procEngGetDriverName.Call(
	uintptr(hdev),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LPWSTR

function EngGetDriverName(
  hdev: THandle   // HDEV
): PWideChar; stdcall;
  external 'GDI32.dll' name 'EngGetDriverName';

result := DllCall("GDI32\EngGetDriverName"
    , "Ptr", hdev   ; HDEV
    , "Ptr")   ; return: LPWSTR

●EngGetDriverName(hdev) = DLL("GDI32.dll", "char* EngGetDriverName(void*)")
# 呼び出し: EngGetDriverName(hdev)
# hdev : HDEV -> "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)。