OpenPrinterA

// winspool.drv  (ANSI / -A)
#include <windows.h>

BOOL OpenPrinterA(
    LPCSTR pPrinterName,   // optional
    PRINTER_HANDLE* phPrinter,
    PRINTER_DEFAULTSA* pDefault   // optional
);

<DllImport("winspool.drv", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function OpenPrinterA(
    <MarshalAs(UnmanagedType.LPStr)> pPrinterName As String,   ' LPCSTR optional
    phPrinter As IntPtr,   ' PRINTER_HANDLE* out
    pDefault As IntPtr   ' PRINTER_DEFAULTSA* optional
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' pPrinterName : LPCSTR optional
' phPrinter : PRINTER_HANDLE* out
' pDefault : PRINTER_DEFAULTSA* optional
Declare PtrSafe Function OpenPrinterA Lib "winspool.drv" ( _
    ByVal pPrinterName As String, _
    ByVal phPrinter As LongPtr, _
    ByVal pDefault 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

OpenPrinterA = ctypes.windll.LoadLibrary("winspool.drv").OpenPrinterA
OpenPrinterA.restype = wintypes.BOOL
OpenPrinterA.argtypes = [
    wintypes.LPCSTR,  # pPrinterName : LPCSTR optional
    ctypes.c_void_p,  # phPrinter : PRINTER_HANDLE* out
    ctypes.c_void_p,  # pDefault : PRINTER_DEFAULTSA* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
OpenPrinterA = Fiddle::Function.new(
  lib['OpenPrinterA'],
  [
    Fiddle::TYPE_VOIDP,  # pPrinterName : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # phPrinter : PRINTER_HANDLE* out
    Fiddle::TYPE_VOIDP,  # pDefault : PRINTER_DEFAULTSA* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn OpenPrinterA(
        pPrinterName: *const u8,  // LPCSTR optional
        phPrinter: *mut PRINTER_HANDLE,  // PRINTER_HANDLE* out
        pDefault: *mut PRINTER_DEFAULTSA  // PRINTER_DEFAULTSA* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool OpenPrinterA([MarshalAs(UnmanagedType.LPStr)] string pPrinterName, IntPtr phPrinter, IntPtr pDefault);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_OpenPrinterA' -Namespace Win32 -PassThru
# $api::OpenPrinterA(pPrinterName, phPrinter, pDefault)

#uselib "winspool.drv"
#func global OpenPrinterA "OpenPrinterA" sptr, sptr, sptr
; OpenPrinterA pPrinterName, varptr(phPrinter), varptr(pDefault)   ; 戻り値は stat
; pPrinterName : LPCSTR optional -> "sptr"
; phPrinter : PRINTER_HANDLE* out -> "sptr"
; pDefault : PRINTER_DEFAULTSA* optional -> "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。

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

var (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procOpenPrinterA = winspool_drv.NewProc("OpenPrinterA")
)

// pPrinterName (LPCSTR optional), phPrinter (PRINTER_HANDLE* out), pDefault (PRINTER_DEFAULTSA* optional)
r1, _, err := procOpenPrinterA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pPrinterName))),
	uintptr(phPrinter),
	uintptr(pDefault),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function OpenPrinterA(
  pPrinterName: PAnsiChar;   // LPCSTR optional
  phPrinter: Pointer;   // PRINTER_HANDLE* out
  pDefault: Pointer   // PRINTER_DEFAULTSA* optional
): BOOL; stdcall;
  external 'winspool.drv' name 'OpenPrinterA';

result := DllCall("winspool.drv\OpenPrinterA"
    , "AStr", pPrinterName   ; LPCSTR optional
    , "Ptr", phPrinter   ; PRINTER_HANDLE* out
    , "Ptr", pDefault   ; PRINTER_DEFAULTSA* optional
    , "Int")   ; return: BOOL

●OpenPrinterA(pPrinterName, phPrinter, pDefault) = DLL("winspool.drv", "bool OpenPrinterA(char*, void*, void*)")
# 呼び出し: OpenPrinterA(pPrinterName, phPrinter, pDefault)
# pPrinterName : LPCSTR optional -> "char*"
# phPrinter : PRINTER_HANDLE* out -> "void*"
# pDefault : PRINTER_DEFAULTSA* optional -> "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)。

const std = @import("std");

extern "winspool.drv" fn OpenPrinterA(
    pPrinterName: [*c]const u8, // LPCSTR optional
    phPrinter: [*c]PRINTER_HANDLE, // PRINTER_HANDLE* out
    pDefault: [*c]PRINTER_DEFAULTSA // PRINTER_DEFAULTSA* optional
) callconv(std.os.windows.WINAPI) i32;

proc OpenPrinterA(
    pPrinterName: cstring,  # LPCSTR optional
    phPrinter: ptr PRINTER_HANDLE,  # PRINTER_HANDLE* out
    pDefault: ptr PRINTER_DEFAULTSA  # PRINTER_DEFAULTSA* optional
): int32 {.importc: "OpenPrinterA", stdcall, dynlib: "winspool.drv".}

pragma(lib, "winspool.drv");
extern(Windows)
int OpenPrinterA(
    const(char)* pPrinterName,   // LPCSTR optional
    PRINTER_HANDLE* phPrinter,   // PRINTER_HANDLE* out
    PRINTER_DEFAULTSA* pDefault   // PRINTER_DEFAULTSA* optional
);

ccall((:OpenPrinterA, "winspool.drv"), stdcall, Int32,
      (Cstring, Ptr{PRINTER_HANDLE}, Ptr{PRINTER_DEFAULTSA}),
      pPrinterName, phPrinter, pDefault)
# pPrinterName : LPCSTR optional -> Cstring
# phPrinter : PRINTER_HANDLE* out -> Ptr{PRINTER_HANDLE}
# pDefault : PRINTER_DEFAULTSA* optional -> Ptr{PRINTER_DEFAULTSA}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t OpenPrinterA(
    const char* pPrinterName,
    void* phPrinter,
    void* pDefault);
]]
local winspool.drv = ffi.load("winspool.drv")
-- winspool.drv.OpenPrinterA(pPrinterName, phPrinter, pDefault)
-- pPrinterName : LPCSTR optional
-- phPrinter : PRINTER_HANDLE* out
-- pDefault : PRINTER_DEFAULTSA* optional
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('winspool.drv');
const OpenPrinterA = lib.func('__stdcall', 'OpenPrinterA', 'int32_t', ['str', 'void *', 'void *']);
// OpenPrinterA(pPrinterName, phPrinter, pDefault)
// pPrinterName : LPCSTR optional -> 'str'
// phPrinter : PRINTER_HANDLE* out -> 'void *'
// pDefault : PRINTER_DEFAULTSA* optional -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("winspool.drv", {
  OpenPrinterA: { parameters: ["buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.OpenPrinterA(pPrinterName, phPrinter, pDefault)
// pPrinterName : LPCSTR optional -> "buffer"
// phPrinter : PRINTER_HANDLE* out -> "pointer"
// pDefault : PRINTER_DEFAULTSA* optional -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t OpenPrinterA(
    const char* pPrinterName,
    void* phPrinter,
    void* pDefault);
C, "winspool.drv");
// $ffi->OpenPrinterA(pPrinterName, phPrinter, pDefault);
// pPrinterName : LPCSTR optional
// phPrinter : PRINTER_HANDLE* out
// pDefault : PRINTER_DEFAULTSA* optional
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Winspool.drv extends StdCallLibrary {
    Winspool.drv INSTANCE = Native.load("winspool.drv", Winspool.drv.class, W32APIOptions.ASCII_OPTIONS);
    boolean OpenPrinterA(
        String pPrinterName,   // LPCSTR optional
        Pointer phPrinter,   // PRINTER_HANDLE* out
        Pointer pDefault   // PRINTER_DEFAULTSA* optional
    );
}

@[Link("winspool.drv")]
lib Libwinspool.drv
  fun OpenPrinterA = OpenPrinterA(
    pPrinterName : UInt8*,   # LPCSTR optional
    phPrinter : PRINTER_HANDLE*,   # PRINTER_HANDLE* out
    pDefault : PRINTER_DEFAULTSA*   # PRINTER_DEFAULTSA* optional
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef OpenPrinterANative = Int32 Function(Pointer<Utf8>, Pointer<Void>, Pointer<Void>);
typedef OpenPrinterADart = int Function(Pointer<Utf8>, Pointer<Void>, Pointer<Void>);
final OpenPrinterA = DynamicLibrary.open('winspool.drv')
    .lookupFunction<OpenPrinterANative, OpenPrinterADart>('OpenPrinterA');
// pPrinterName : LPCSTR optional -> Pointer<Utf8>
// phPrinter : PRINTER_HANDLE* out -> Pointer<Void>
// pDefault : PRINTER_DEFAULTSA* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function OpenPrinterA(
  pPrinterName: PAnsiChar;   // LPCSTR optional
  phPrinter: Pointer;   // PRINTER_HANDLE* out
  pDefault: Pointer   // PRINTER_DEFAULTSA* optional
): BOOL; stdcall;
  external 'winspool.drv' name 'OpenPrinterA';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "OpenPrinterA"
  c_OpenPrinterA :: CString -> Ptr () -> Ptr () -> IO CInt
-- pPrinterName : LPCSTR optional -> CString
-- phPrinter : PRINTER_HANDLE* out -> Ptr ()
-- pDefault : PRINTER_DEFAULTSA* optional -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let openprintera =
  foreign "OpenPrinterA"
    (string @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pPrinterName : LPCSTR optional -> string *)
(* phPrinter : PRINTER_HANDLE* out -> (ptr void) *)
(* pDefault : PRINTER_DEFAULTSA* optional -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library winspool.drv (t "winspool.drv"))
(cffi:use-foreign-library winspool.drv)

(cffi:defcfun ("OpenPrinterA" open-printer-a :convention :stdcall) :int32
  (p-printer-name :string)   ; LPCSTR optional
  (ph-printer :pointer)   ; PRINTER_HANDLE* out
  (p-default :pointer))   ; PRINTER_DEFAULTSA* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $OpenPrinterA = Win32::API::More->new('winspool.drv',
    'BOOL OpenPrinterA(LPCSTR pPrinterName, LPVOID phPrinter, LPVOID pDefault)');
# my $ret = $OpenPrinterA->Call($pPrinterName, $phPrinter, $pDefault);
# pPrinterName : LPCSTR optional -> LPCSTR
# phPrinter : PRINTER_HANDLE* out -> LPVOID
# pDefault : PRINTER_DEFAULTSA* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。