gluGetNurbsProperty

// GLU32.dll
#include <windows.h>

void gluGetNurbsProperty(
    GLUnurbs* nobj,
    DWORD property,
    FLOAT* value
);

<DllImport("GLU32.dll", ExactSpelling:=True)>
Public Shared Sub gluGetNurbsProperty(
    ByRef nobj As IntPtr,   ' GLUnurbs* in/out
    [property] As UInteger,   ' DWORD
    ByRef value As Single   ' FLOAT* in/out
)
End Sub

' nobj : GLUnurbs* in/out
' property : DWORD
' value : FLOAT* in/out
Declare PtrSafe Sub gluGetNurbsProperty Lib "glu32" ( _
    ByRef nobj As LongPtr, _
    ByVal property As Long, _
    ByRef value As Single)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

gluGetNurbsProperty = ctypes.windll.glu32.gluGetNurbsProperty
gluGetNurbsProperty.restype = None
gluGetNurbsProperty.argtypes = [
    ctypes.c_void_p,  # nobj : GLUnurbs* in/out
    wintypes.DWORD,  # property : DWORD
    ctypes.POINTER(ctypes.c_float),  # value : FLOAT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GLU32.dll')
gluGetNurbsProperty = Fiddle::Function.new(
  lib['gluGetNurbsProperty'],
  [
    Fiddle::TYPE_VOIDP,  # nobj : GLUnurbs* in/out
    -Fiddle::TYPE_INT,  # property : DWORD
    Fiddle::TYPE_VOIDP,  # value : FLOAT* in/out
  ],
  Fiddle::TYPE_VOID)

#[link(name = "glu32")]
extern "system" {
    fn gluGetNurbsProperty(
        nobj: *mut isize,  // GLUnurbs* in/out
        property: u32,  // DWORD
        value: *mut f32  // FLOAT* in/out
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GLU32.dll")]
public static extern void gluGetNurbsProperty(ref IntPtr nobj, uint property, ref float value);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GLU32_gluGetNurbsProperty' -Namespace Win32 -PassThru
# $api::gluGetNurbsProperty(nobj, property, value)

#uselib "GLU32.dll"
#func global gluGetNurbsProperty "gluGetNurbsProperty" sptr, sptr, sptr
; gluGetNurbsProperty varptr(nobj), property, varptr(value)
; nobj : GLUnurbs* in/out -> "sptr"
; property : DWORD -> "sptr"
; value : FLOAT* in/out -> "sptr"

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

var (
	glu32 = windows.NewLazySystemDLL("GLU32.dll")
	procgluGetNurbsProperty = glu32.NewProc("gluGetNurbsProperty")
)

// nobj (GLUnurbs* in/out), property (DWORD), value (FLOAT* in/out)
r1, _, err := procgluGetNurbsProperty.Call(
	uintptr(nobj),
	uintptr(property),
	uintptr(value),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure gluGetNurbsProperty(
  nobj: Pointer;   // GLUnurbs* in/out
  property: DWORD;   // DWORD
  value: Pointer   // FLOAT* in/out
); stdcall;
  external 'GLU32.dll' name 'gluGetNurbsProperty';

result := DllCall("GLU32\gluGetNurbsProperty"
    , "Ptr", nobj   ; GLUnurbs* in/out
    , "UInt", property   ; DWORD
    , "Ptr", value   ; FLOAT* in/out
    , "Int")   ; return: void

●gluGetNurbsProperty(nobj, property, value) = DLL("GLU32.dll", "int gluGetNurbsProperty(void*, dword, void*)")
# 呼び出し: gluGetNurbsProperty(nobj, property, value)
# nobj : GLUnurbs* in/out -> "void*"
# property : DWORD -> "dword"
# value : FLOAT* 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)。

const std = @import("std");

extern "glu32" fn gluGetNurbsProperty(
    nobj: [*c]isize, // GLUnurbs* in/out
    property: u32, // DWORD
    value: [*c]f32 // FLOAT* in/out
) callconv(std.os.windows.WINAPI) void;

proc gluGetNurbsProperty(
    nobj: ptr int,  # GLUnurbs* in/out
    property: uint32,  # DWORD
    value: ptr float32  # FLOAT* in/out
) {.importc: "gluGetNurbsProperty", stdcall, dynlib: "GLU32.dll".}

pragma(lib, "glu32");
extern(Windows)
void gluGetNurbsProperty(
    ptrdiff_t* nobj,   // GLUnurbs* in/out
    uint property,   // DWORD
    float* value   // FLOAT* in/out
);

ccall((:gluGetNurbsProperty, "GLU32.dll"), stdcall, Cvoid,
      (Ptr{Int}, UInt32, Ptr{Float32}),
      nobj, property, value)
# nobj : GLUnurbs* in/out -> Ptr{Int}
# property : DWORD -> UInt32
# value : FLOAT* in/out -> Ptr{Float32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void gluGetNurbsProperty(
    intptr_t* nobj,
    uint32_t property,
    float* value);
]]
local glu32 = ffi.load("glu32")
-- glu32.gluGetNurbsProperty(nobj, property, value)
-- nobj : GLUnurbs* in/out
-- property : DWORD
-- value : FLOAT* in/out
-- 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('GLU32.dll');
const gluGetNurbsProperty = lib.func('__stdcall', 'gluGetNurbsProperty', 'void', ['intptr_t *', 'uint32_t', 'float *']);
// gluGetNurbsProperty(nobj, property, value)
// nobj : GLUnurbs* in/out -> 'intptr_t *'
// property : DWORD -> 'uint32_t'
// value : FLOAT* in/out -> 'float *'
// 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("GLU32.dll", {
  gluGetNurbsProperty: { parameters: ["pointer", "u32", "pointer"], result: "void" },
});
// lib.symbols.gluGetNurbsProperty(nobj, property, value)
// nobj : GLUnurbs* in/out -> "pointer"
// property : DWORD -> "u32"
// value : FLOAT* in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void gluGetNurbsProperty(
    intptr_t* nobj,
    uint32_t property,
    float* value);
C, "GLU32.dll");
// $ffi->gluGetNurbsProperty(nobj, property, value);
// nobj : GLUnurbs* in/out
// property : DWORD
// value : FLOAT* in/out
// 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 Glu32 extends StdCallLibrary {
    Glu32 INSTANCE = Native.load("glu32", Glu32.class);
    void gluGetNurbsProperty(
        LongByReference nobj,   // GLUnurbs* in/out
        int property,   // DWORD
        FloatByReference value   // FLOAT* in/out
    );
}

@[Link("glu32")]
lib LibGLU32
  fun gluGetNurbsProperty = gluGetNurbsProperty(
    nobj : LibC::SSizeT*,   # GLUnurbs* in/out
    property : UInt32,   # DWORD
    value : Float32*   # FLOAT* in/out
  ) : Void
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 gluGetNurbsPropertyNative = Void Function(Pointer<IntPtr>, Uint32, Pointer<Float>);
typedef gluGetNurbsPropertyDart = void Function(Pointer<IntPtr>, int, Pointer<Float>);
final gluGetNurbsProperty = DynamicLibrary.open('GLU32.dll')
    .lookupFunction<gluGetNurbsPropertyNative, gluGetNurbsPropertyDart>('gluGetNurbsProperty');
// nobj : GLUnurbs* in/out -> Pointer<IntPtr>
// property : DWORD -> Uint32
// value : FLOAT* in/out -> Pointer<Float>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure gluGetNurbsProperty(
  nobj: Pointer;   // GLUnurbs* in/out
  property: DWORD;   // DWORD
  value: Pointer   // FLOAT* in/out
); stdcall;
  external 'GLU32.dll' name 'gluGetNurbsProperty';

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

foreign import stdcall safe "gluGetNurbsProperty"
  c_gluGetNurbsProperty :: Ptr CIntPtr -> Word32 -> Ptr CFloat -> IO ()
-- nobj : GLUnurbs* in/out -> Ptr CIntPtr
-- property : DWORD -> Word32
-- value : FLOAT* in/out -> Ptr CFloat
-- 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 glugetnurbsproperty =
  foreign "gluGetNurbsProperty"
    ((ptr intptr_t) @-> uint32_t @-> (ptr float) @-> returning void)
(* nobj : GLUnurbs* in/out -> (ptr intptr_t) *)
(* property : DWORD -> uint32_t *)
(* value : FLOAT* in/out -> (ptr float) *)
(* 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 glu32 (t "GLU32.dll"))
(cffi:use-foreign-library glu32)

(cffi:defcfun ("gluGetNurbsProperty" glu-get-nurbs-property :convention :stdcall) :void
  (nobj :pointer)   ; GLUnurbs* in/out
  (property :uint32)   ; DWORD
  (value :pointer))   ; FLOAT* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $gluGetNurbsProperty = Win32::API::More->new('GLU32',
    'void gluGetNurbsProperty(LPVOID nobj, DWORD property, LPVOID value)');
# my $ret = $gluGetNurbsProperty->Call($nobj, $property, $value);
# nobj : GLUnurbs* in/out -> LPVOID
# property : DWORD -> DWORD
# value : FLOAT* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。