DeletePrinterDataA

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

DWORD DeletePrinterDataA(
    PRINTER_HANDLE hPrinter,
    LPCSTR pValueName
);

<DllImport("winspool.drv", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function DeletePrinterDataA(
    hPrinter As PRINTER_HANDLE,   ' PRINTER_HANDLE
    <MarshalAs(UnmanagedType.LPStr)> pValueName As String   ' LPCSTR
) As UInteger
End Function

' hPrinter : PRINTER_HANDLE
' pValueName : LPCSTR
Declare PtrSafe Function DeletePrinterDataA Lib "winspool.drv" ( _
    ByVal hPrinter As LongPtr, _
    ByVal pValueName As String) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DeletePrinterDataA = ctypes.windll.LoadLibrary("winspool.drv").DeletePrinterDataA
DeletePrinterDataA.restype = wintypes.DWORD
DeletePrinterDataA.argtypes = [
    PRINTER_HANDLE,  # hPrinter : PRINTER_HANDLE
    wintypes.LPCSTR,  # pValueName : LPCSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
DeletePrinterDataA = Fiddle::Function.new(
  lib['DeletePrinterDataA'],
  [
    Fiddle::TYPE_VOIDP,  # hPrinter : PRINTER_HANDLE
    Fiddle::TYPE_VOIDP,  # pValueName : LPCSTR
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn DeletePrinterDataA(
        hPrinter: PRINTER_HANDLE,  // PRINTER_HANDLE
        pValueName: *const u8  // LPCSTR
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winspool.drv", CharSet = CharSet.Ansi)]
public static extern uint DeletePrinterDataA(PRINTER_HANDLE hPrinter, [MarshalAs(UnmanagedType.LPStr)] string pValueName);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_DeletePrinterDataA' -Namespace Win32 -PassThru
# $api::DeletePrinterDataA(hPrinter, pValueName)

#uselib "winspool.drv"
#func global DeletePrinterDataA "DeletePrinterDataA" sptr, sptr
; DeletePrinterDataA hPrinter, pValueName   ; 戻り値は stat
; hPrinter : PRINTER_HANDLE -> "sptr"
; pValueName : LPCSTR -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 "winspool.drv"
#cfunc global DeletePrinterDataA "DeletePrinterDataA" int, str
; res = DeletePrinterDataA(hPrinter, pValueName)
; hPrinter : PRINTER_HANDLE -> "int"
; pValueName : LPCSTR -> "str"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

; DWORD DeletePrinterDataA(PRINTER_HANDLE hPrinter, LPCSTR pValueName)
#uselib "winspool.drv"
#cfunc global DeletePrinterDataA "DeletePrinterDataA" int, str
; res = DeletePrinterDataA(hPrinter, pValueName)
; hPrinter : PRINTER_HANDLE -> "int"
; pValueName : LPCSTR -> "str"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。

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

var (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procDeletePrinterDataA = winspool_drv.NewProc("DeletePrinterDataA")
)

// hPrinter (PRINTER_HANDLE), pValueName (LPCSTR)
r1, _, err := procDeletePrinterDataA.Call(
	uintptr(hPrinter),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pValueName))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DeletePrinterDataA(
  hPrinter: PRINTER_HANDLE;   // PRINTER_HANDLE
  pValueName: PAnsiChar   // LPCSTR
): DWORD; stdcall;
  external 'winspool.drv' name 'DeletePrinterDataA';

result := DllCall("winspool.drv\DeletePrinterDataA"
    , "Ptr", hPrinter   ; PRINTER_HANDLE
    , "AStr", pValueName   ; LPCSTR
    , "UInt")   ; return: DWORD

●DeletePrinterDataA(hPrinter, pValueName) = DLL("winspool.drv", "dword DeletePrinterDataA(void*, char*)")
# 呼び出し: DeletePrinterDataA(hPrinter, pValueName)
# hPrinter : PRINTER_HANDLE -> "void*"
# pValueName : LPCSTR -> "char*"
# 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 DeletePrinterDataA(
    hPrinter: PRINTER_HANDLE, // PRINTER_HANDLE
    pValueName: [*c]const u8 // LPCSTR
) callconv(std.os.windows.WINAPI) u32;

proc DeletePrinterDataA(
    hPrinter: PRINTER_HANDLE,  # PRINTER_HANDLE
    pValueName: cstring  # LPCSTR
): uint32 {.importc: "DeletePrinterDataA", stdcall, dynlib: "winspool.drv".}

pragma(lib, "winspool.drv");
extern(Windows)
uint DeletePrinterDataA(
    PRINTER_HANDLE hPrinter,   // PRINTER_HANDLE
    const(char)* pValueName   // LPCSTR
);

ccall((:DeletePrinterDataA, "winspool.drv"), stdcall, UInt32,
      (PRINTER_HANDLE, Cstring),
      hPrinter, pValueName)
# hPrinter : PRINTER_HANDLE -> PRINTER_HANDLE
# pValueName : LPCSTR -> Cstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t DeletePrinterDataA(
    PRINTER_HANDLE hPrinter,
    const char* pValueName);
]]
local winspool.drv = ffi.load("winspool.drv")
-- winspool.drv.DeletePrinterDataA(hPrinter, pValueName)
-- hPrinter : PRINTER_HANDLE
-- pValueName : LPCSTR
-- 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 DeletePrinterDataA = lib.func('__stdcall', 'DeletePrinterDataA', 'uint32_t', ['PRINTER_HANDLE', 'str']);
// DeletePrinterDataA(hPrinter, pValueName)
// hPrinter : PRINTER_HANDLE -> 'PRINTER_HANDLE'
// pValueName : LPCSTR -> 'str'
// 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", {
  DeletePrinterDataA: { parameters: ["buffer", "buffer"], result: "u32" },
});
// lib.symbols.DeletePrinterDataA(hPrinter, pValueName)
// hPrinter : PRINTER_HANDLE -> "buffer"
// pValueName : LPCSTR -> "buffer"
// 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
uint32_t DeletePrinterDataA(
    PRINTER_HANDLE hPrinter,
    const char* pValueName);
C, "winspool.drv");
// $ffi->DeletePrinterDataA(hPrinter, pValueName);
// hPrinter : PRINTER_HANDLE
// pValueName : LPCSTR
// 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);
    int DeletePrinterDataA(
        PRINTER_HANDLE /* extends Structure (by value) */ hPrinter,   // PRINTER_HANDLE
        String pValueName   // LPCSTR
    );
}

@[Link("winspool.drv")]
lib Libwinspool.drv
  fun DeletePrinterDataA = DeletePrinterDataA(
    hPrinter : PRINTER_HANDLE,   # PRINTER_HANDLE
    pValueName : UInt8*   # LPCSTR
  ) : UInt32
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 DeletePrinterDataANative = Uint32 Function(PRINTER_HANDLE, Pointer<Utf8>);
typedef DeletePrinterDataADart = int Function(int, Pointer<Utf8>);
final DeletePrinterDataA = DynamicLibrary.open('winspool.drv')
    .lookupFunction<DeletePrinterDataANative, DeletePrinterDataADart>('DeletePrinterDataA');
// hPrinter : PRINTER_HANDLE -> PRINTER_HANDLE
// pValueName : LPCSTR -> Pointer<Utf8>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DeletePrinterDataA(
  hPrinter: PRINTER_HANDLE;   // PRINTER_HANDLE
  pValueName: PAnsiChar   // LPCSTR
): DWORD; stdcall;
  external 'winspool.drv' name 'DeletePrinterDataA';

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

foreign import stdcall safe "DeletePrinterDataA"
  c_DeletePrinterDataA :: PRINTER_HANDLE -> CString -> IO Word32
-- hPrinter : PRINTER_HANDLE -> PRINTER_HANDLE
-- pValueName : LPCSTR -> CString
-- 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。
-- ※値渡し構造体は GHC FFI で直接渡せません。Ptr で渡すラッパ(C側)経由にしてください。

open Ctypes
open Foreign

let deleteprinterdataa =
  foreign "DeletePrinterDataA"
    (PRINTER_HANDLE @-> string @-> returning uint32_t)
(* hPrinter : PRINTER_HANDLE -> PRINTER_HANDLE *)
(* pValueName : LPCSTR -> string *)
(* 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 ("DeletePrinterDataA" delete-printer-data-a :convention :stdcall) :uint32
  (h-printer (:struct printer-handle))   ; PRINTER_HANDLE
  (p-value-name :string))   ; LPCSTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DeletePrinterDataA = Win32::API::More->new('winspool.drv',
    'DWORD DeletePrinterDataA(LPVOID hPrinter, LPCSTR pValueName)');
# my $ret = $DeletePrinterDataA->Call($hPrinter, $pValueName);
# hPrinter : PRINTER_HANDLE -> LPVOID
# pValueName : LPCSTR -> LPCSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。