DeviceCapabilitiesA

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

INT DeviceCapabilitiesA(
    LPCSTR pDevice,
    LPCSTR pPort,   // optional
    PRINTER_DEVICE_CAPABILITIES fwCapability,
    LPSTR pOutput,   // optional
    const DEVMODEA* pDevMode   // optional
);

<DllImport("winspool.drv", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function DeviceCapabilitiesA(
    <MarshalAs(UnmanagedType.LPStr)> pDevice As String,   ' LPCSTR
    <MarshalAs(UnmanagedType.LPStr)> pPort As String,   ' LPCSTR optional
    fwCapability As UShort,   ' PRINTER_DEVICE_CAPABILITIES
    <MarshalAs(UnmanagedType.LPStr)> pOutput As System.Text.StringBuilder,   ' LPSTR optional, out
    pDevMode As IntPtr   ' DEVMODEA* optional
) As Integer
End Function

' pDevice : LPCSTR
' pPort : LPCSTR optional
' fwCapability : PRINTER_DEVICE_CAPABILITIES
' pOutput : LPSTR optional, out
' pDevMode : DEVMODEA* optional
Declare PtrSafe Function DeviceCapabilitiesA Lib "winspool.drv" ( _
    ByVal pDevice As String, _
    ByVal pPort As String, _
    ByVal fwCapability As Integer, _
    ByVal pOutput As String, _
    ByVal pDevMode 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

DeviceCapabilitiesA = ctypes.windll.LoadLibrary("winspool.drv").DeviceCapabilitiesA
DeviceCapabilitiesA.restype = ctypes.c_int
DeviceCapabilitiesA.argtypes = [
    wintypes.LPCSTR,  # pDevice : LPCSTR
    wintypes.LPCSTR,  # pPort : LPCSTR optional
    ctypes.c_ushort,  # fwCapability : PRINTER_DEVICE_CAPABILITIES
    wintypes.LPSTR,  # pOutput : LPSTR optional, out
    ctypes.c_void_p,  # pDevMode : DEVMODEA* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
DeviceCapabilitiesA = Fiddle::Function.new(
  lib['DeviceCapabilitiesA'],
  [
    Fiddle::TYPE_VOIDP,  # pDevice : LPCSTR
    Fiddle::TYPE_VOIDP,  # pPort : LPCSTR optional
    -Fiddle::TYPE_SHORT,  # fwCapability : PRINTER_DEVICE_CAPABILITIES
    Fiddle::TYPE_VOIDP,  # pOutput : LPSTR optional, out
    Fiddle::TYPE_VOIDP,  # pDevMode : DEVMODEA* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn DeviceCapabilitiesA(
        pDevice: *const u8,  // LPCSTR
        pPort: *const u8,  // LPCSTR optional
        fwCapability: u16,  // PRINTER_DEVICE_CAPABILITIES
        pOutput: *mut u8,  // LPSTR optional, out
        pDevMode: *const DEVMODEA  // DEVMODEA* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winspool.drv", CharSet = CharSet.Ansi)]
public static extern int DeviceCapabilitiesA([MarshalAs(UnmanagedType.LPStr)] string pDevice, [MarshalAs(UnmanagedType.LPStr)] string pPort, ushort fwCapability, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pOutput, IntPtr pDevMode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_DeviceCapabilitiesA' -Namespace Win32 -PassThru
# $api::DeviceCapabilitiesA(pDevice, pPort, fwCapability, pOutput, pDevMode)

#uselib "winspool.drv"
#func global DeviceCapabilitiesA "DeviceCapabilitiesA" sptr, sptr, sptr, sptr, sptr
; DeviceCapabilitiesA pDevice, pPort, fwCapability, varptr(pOutput), varptr(pDevMode)   ; 戻り値は stat
; pDevice : LPCSTR -> "sptr"
; pPort : LPCSTR optional -> "sptr"
; fwCapability : PRINTER_DEVICE_CAPABILITIES -> "sptr"
; pOutput : LPSTR optional, out -> "sptr"
; pDevMode : DEVMODEA* 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。

#uselib "winspool.drv"
#cfunc global DeviceCapabilitiesA "DeviceCapabilitiesA" str, str, int, var, var
; res = DeviceCapabilitiesA(pDevice, pPort, fwCapability, pOutput, pDevMode)
; pDevice : LPCSTR -> "str"
; pPort : LPCSTR optional -> "str"
; fwCapability : PRINTER_DEVICE_CAPABILITIES -> "int"
; pOutput : LPSTR optional, out -> "var"
; pDevMode : DEVMODEA* optional -> "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。

; INT DeviceCapabilitiesA(LPCSTR pDevice, LPCSTR pPort, PRINTER_DEVICE_CAPABILITIES fwCapability, LPSTR pOutput, DEVMODEA* pDevMode)
#uselib "winspool.drv"
#cfunc global DeviceCapabilitiesA "DeviceCapabilitiesA" str, str, int, var, var
; res = DeviceCapabilitiesA(pDevice, pPort, fwCapability, pOutput, pDevMode)
; pDevice : LPCSTR -> "str"
; pPort : LPCSTR optional -> "str"
; fwCapability : PRINTER_DEVICE_CAPABILITIES -> "int"
; pOutput : LPSTR optional, out -> "var"
; pDevMode : DEVMODEA* optional -> "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 (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procDeviceCapabilitiesA = winspool_drv.NewProc("DeviceCapabilitiesA")
)

// pDevice (LPCSTR), pPort (LPCSTR optional), fwCapability (PRINTER_DEVICE_CAPABILITIES), pOutput (LPSTR optional, out), pDevMode (DEVMODEA* optional)
r1, _, err := procDeviceCapabilitiesA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pDevice))),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pPort))),
	uintptr(fwCapability),
	uintptr(pOutput),
	uintptr(pDevMode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function DeviceCapabilitiesA(
  pDevice: PAnsiChar;   // LPCSTR
  pPort: PAnsiChar;   // LPCSTR optional
  fwCapability: Word;   // PRINTER_DEVICE_CAPABILITIES
  pOutput: PAnsiChar;   // LPSTR optional, out
  pDevMode: Pointer   // DEVMODEA* optional
): Integer; stdcall;
  external 'winspool.drv' name 'DeviceCapabilitiesA';

result := DllCall("winspool.drv\DeviceCapabilitiesA"
    , "AStr", pDevice   ; LPCSTR
    , "AStr", pPort   ; LPCSTR optional
    , "UShort", fwCapability   ; PRINTER_DEVICE_CAPABILITIES
    , "Ptr", pOutput   ; LPSTR optional, out
    , "Ptr", pDevMode   ; DEVMODEA* optional
    , "Int")   ; return: INT

●DeviceCapabilitiesA(pDevice, pPort, fwCapability, pOutput, pDevMode) = DLL("winspool.drv", "int DeviceCapabilitiesA(char*, char*, int, char*, void*)")
# 呼び出し: DeviceCapabilitiesA(pDevice, pPort, fwCapability, pOutput, pDevMode)
# pDevice : LPCSTR -> "char*"
# pPort : LPCSTR optional -> "char*"
# fwCapability : PRINTER_DEVICE_CAPABILITIES -> "int"
# pOutput : LPSTR optional, out -> "char*"
# pDevMode : DEVMODEA* 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)。