ReadPrinter

// winspool.drv
#include <windows.h>

BOOL ReadPrinter(
    PRINTER_HANDLE hPrinter,
    void* pBuf,
    DWORD cbBuf,
    DWORD* pNoBytesRead
);

<DllImport("winspool.drv", ExactSpelling:=True)>
Public Shared Function ReadPrinter(
    hPrinter As PRINTER_HANDLE,   ' PRINTER_HANDLE
    pBuf As IntPtr,   ' void* out
    cbBuf As UInteger,   ' DWORD
    <Out> ByRef pNoBytesRead As UInteger   ' DWORD* out
) As Boolean
End Function

' hPrinter : PRINTER_HANDLE
' pBuf : void* out
' cbBuf : DWORD
' pNoBytesRead : DWORD* out
Declare PtrSafe Function ReadPrinter Lib "winspool.drv" ( _
    ByVal hPrinter As LongPtr, _
    ByVal pBuf As LongPtr, _
    ByVal cbBuf As Long, _
    ByRef pNoBytesRead As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ReadPrinter = ctypes.windll.LoadLibrary("winspool.drv").ReadPrinter
ReadPrinter.restype = wintypes.BOOL
ReadPrinter.argtypes = [
    PRINTER_HANDLE,  # hPrinter : PRINTER_HANDLE
    ctypes.POINTER(None),  # pBuf : void* out
    wintypes.DWORD,  # cbBuf : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pNoBytesRead : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
ReadPrinter = Fiddle::Function.new(
  lib['ReadPrinter'],
  [
    Fiddle::TYPE_VOIDP,  # hPrinter : PRINTER_HANDLE
    Fiddle::TYPE_VOIDP,  # pBuf : void* out
    -Fiddle::TYPE_INT,  # cbBuf : DWORD
    Fiddle::TYPE_VOIDP,  # pNoBytesRead : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn ReadPrinter(
        hPrinter: PRINTER_HANDLE,  // PRINTER_HANDLE
        pBuf: *mut (),  // void* out
        cbBuf: u32,  // DWORD
        pNoBytesRead: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv")]
public static extern bool ReadPrinter(PRINTER_HANDLE hPrinter, IntPtr pBuf, uint cbBuf, out uint pNoBytesRead);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_ReadPrinter' -Namespace Win32 -PassThru
# $api::ReadPrinter(hPrinter, pBuf, cbBuf, pNoBytesRead)

#uselib "winspool.drv"
#func global ReadPrinter "ReadPrinter" sptr, sptr, sptr, sptr
; ReadPrinter hPrinter, pBuf, cbBuf, varptr(pNoBytesRead)   ; 戻り値は stat
; hPrinter : PRINTER_HANDLE -> "sptr"
; pBuf : void* out -> "sptr"
; cbBuf : DWORD -> "sptr"
; pNoBytesRead : DWORD* out -> "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 ReadPrinter "ReadPrinter" int, sptr, int, var
; res = ReadPrinter(hPrinter, pBuf, cbBuf, pNoBytesRead)
; hPrinter : PRINTER_HANDLE -> "int"
; pBuf : void* out -> "sptr"
; cbBuf : DWORD -> "int"
; pNoBytesRead : DWORD* out -> "var"
; ※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。
; ※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。

; BOOL ReadPrinter(PRINTER_HANDLE hPrinter, void* pBuf, DWORD cbBuf, DWORD* pNoBytesRead)
#uselib "winspool.drv"
#cfunc global ReadPrinter "ReadPrinter" int, intptr, int, var
; res = ReadPrinter(hPrinter, pBuf, cbBuf, pNoBytesRead)
; hPrinter : PRINTER_HANDLE -> "int"
; pBuf : void* out -> "intptr"
; cbBuf : DWORD -> "int"
; pNoBytesRead : DWORD* out -> "var"
; ※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。
; ※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 (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procReadPrinter = winspool_drv.NewProc("ReadPrinter")
)

// hPrinter (PRINTER_HANDLE), pBuf (void* out), cbBuf (DWORD), pNoBytesRead (DWORD* out)
r1, _, err := procReadPrinter.Call(
	uintptr(hPrinter),
	uintptr(pBuf),
	uintptr(cbBuf),
	uintptr(pNoBytesRead),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ReadPrinter(
  hPrinter: PRINTER_HANDLE;   // PRINTER_HANDLE
  pBuf: Pointer;   // void* out
  cbBuf: DWORD;   // DWORD
  pNoBytesRead: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'winspool.drv' name 'ReadPrinter';

result := DllCall("winspool.drv\ReadPrinter"
    , "Ptr", hPrinter   ; PRINTER_HANDLE
    , "Ptr", pBuf   ; void* out
    , "UInt", cbBuf   ; DWORD
    , "Ptr", pNoBytesRead   ; DWORD* out
    , "Int")   ; return: BOOL

●ReadPrinter(hPrinter, pBuf, cbBuf, pNoBytesRead) = DLL("winspool.drv", "bool ReadPrinter(void*, void*, dword, void*)")
# 呼び出し: ReadPrinter(hPrinter, pBuf, cbBuf, pNoBytesRead)
# hPrinter : PRINTER_HANDLE -> "void*"
# pBuf : void* out -> "void*"
# cbBuf : DWORD -> "dword"
# pNoBytesRead : DWORD* 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)。