CLIPOBJ_bEnum

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

BOOL CLIPOBJ_bEnum(
    CLIPOBJ* pco,
    DWORD cj,
    DWORD* pul
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function CLIPOBJ_bEnum(
    pco As IntPtr,   ' CLIPOBJ* in/out
    cj As UInteger,   ' DWORD
    ByRef pul As UInteger   ' DWORD* in/out
) As Boolean
End Function

' pco : CLIPOBJ* in/out
' cj : DWORD
' pul : DWORD* in/out
Declare PtrSafe Function CLIPOBJ_bEnum Lib "gdi32" ( _
    ByVal pco As LongPtr, _
    ByVal cj As Long, _
    ByRef pul 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

CLIPOBJ_bEnum = ctypes.windll.gdi32.CLIPOBJ_bEnum
CLIPOBJ_bEnum.restype = wintypes.BOOL
CLIPOBJ_bEnum.argtypes = [
    ctypes.c_void_p,  # pco : CLIPOBJ* in/out
    wintypes.DWORD,  # cj : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pul : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
CLIPOBJ_bEnum = Fiddle::Function.new(
  lib['CLIPOBJ_bEnum'],
  [
    Fiddle::TYPE_VOIDP,  # pco : CLIPOBJ* in/out
    -Fiddle::TYPE_INT,  # cj : DWORD
    Fiddle::TYPE_VOIDP,  # pul : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdi32")]
extern "system" {
    fn CLIPOBJ_bEnum(
        pco: *mut CLIPOBJ,  // CLIPOBJ* in/out
        cj: u32,  // DWORD
        pul: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll")]
public static extern bool CLIPOBJ_bEnum(IntPtr pco, uint cj, ref uint pul);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_CLIPOBJ_bEnum' -Namespace Win32 -PassThru
# $api::CLIPOBJ_bEnum(pco, cj, pul)

#uselib "GDI32.dll"
#func global CLIPOBJ_bEnum "CLIPOBJ_bEnum" sptr, sptr, sptr
; CLIPOBJ_bEnum varptr(pco), cj, varptr(pul)   ; 戻り値は stat
; pco : CLIPOBJ* in/out -> "sptr"
; cj : DWORD -> "sptr"
; pul : DWORD* in/out -> "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 CLIPOBJ_bEnum "CLIPOBJ_bEnum" var, int, var
; res = CLIPOBJ_bEnum(pco, cj, pul)
; pco : CLIPOBJ* in/out -> "var"
; cj : DWORD -> "int"
; pul : DWORD* in/out -> "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。

; BOOL CLIPOBJ_bEnum(CLIPOBJ* pco, DWORD cj, DWORD* pul)
#uselib "GDI32.dll"
#cfunc global CLIPOBJ_bEnum "CLIPOBJ_bEnum" var, int, var
; res = CLIPOBJ_bEnum(pco, cj, pul)
; pco : CLIPOBJ* in/out -> "var"
; cj : DWORD -> "int"
; pul : DWORD* in/out -> "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 (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procCLIPOBJ_bEnum = gdi32.NewProc("CLIPOBJ_bEnum")
)

// pco (CLIPOBJ* in/out), cj (DWORD), pul (DWORD* in/out)
r1, _, err := procCLIPOBJ_bEnum.Call(
	uintptr(pco),
	uintptr(cj),
	uintptr(pul),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CLIPOBJ_bEnum(
  pco: Pointer;   // CLIPOBJ* in/out
  cj: DWORD;   // DWORD
  pul: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'GDI32.dll' name 'CLIPOBJ_bEnum';

result := DllCall("GDI32\CLIPOBJ_bEnum"
    , "Ptr", pco   ; CLIPOBJ* in/out
    , "UInt", cj   ; DWORD
    , "Ptr", pul   ; DWORD* in/out
    , "Int")   ; return: BOOL

●CLIPOBJ_bEnum(pco, cj, pul) = DLL("GDI32.dll", "bool CLIPOBJ_bEnum(void*, dword, void*)")
# 呼び出し: CLIPOBJ_bEnum(pco, cj, pul)
# pco : CLIPOBJ* in/out -> "void*"
# cj : DWORD -> "dword"
# pul : DWORD* in/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)。